Many residents reported it was the strongest earthquake they had ever experienced. A joint hypocenter relocation of 103 microearthquakes of a data set of 279 recorded between 1967 and 1968 shows a hypocenter pattern striking N50°W, with most of the events located about 5 km northwest of the disposal well at depths between 3 to 8 km. Many slight shocks occurred near the well during this period. This content is PDF only. About Us, Additional cement barriers were placed inside the casing across zones that could access water-bearing formations (aquifers). Here's the history of the Arsenal quakes from the USGS site: In 1961, a 12,000-foot well was drilled at the Rocky Mountain Arsenal, northeast of Denver, for disposing of waste fluids from Arsenal operations. It was 32 minutes after 4 a.m. on April 24 when the first shock of the Denver series was recorded at the Cecil H. Green Geophysical Observatory at Bergen Park, Colorado. Several were felt, but none caused damage until the window breaker that surprised Dupont and Irondale on the night of December 4. Boulder sustained minor damage to walls and acoustical tile ceilings on April 27, 1967, as result of a magnitude 4.4 earthquake. The quake was the largest in Colorado since a magnitude-5.3 temblor was recorded in Denver's northern suburbs in 1967, said Paul Earle of the USGS. View on timesmachine. This can take up to 20-30 seconds. An acoustical ceiling and light fixtures fell at one school. By continuing to use our website, you are agreeing to our, An assessment of source parameters of earthquakes in the cordillera of the western United States, Comment and Reply on ‘Erect floating stumps in Spirit Lake, Washington’: REPLY, Source parameters of the June 13, 1967 earthquake near Lake Ontario, New York State, Surface-wave radiation pattern and source parameters of Koyna earthquake of December 10, 1967, Inversion of regional surface-wave spectra for source parameters of aftershocks from the 1992 Petrolia earthquake sequence, Regional seismic-wave propagation from the M5.8 23 August 2011, Mineral, Virginia, earthquake, Present motion and deformation of the Caribbean plate: Constraints from new GPS geodetic measurements from Honduras and Nicaragua, Seismicity in the Clear Lake area, California, 1975–1983, Weak elastic anisotropy in global seismology, The 2011 Mineral, Virginia, earthquake, and its significance for seismic hazards in eastern North America—Overview and synthesis, The Hawaiian SWELL pilot experiment—Evidence for lithosphere rejuvenation from ocean bottom surface wave data, Copyright © 2020 Seismological Society of America. Just watch where you step. CU Boulder Lawsuit Tries to Lift the Veil on Sports Deals... See More Than 200 New COVID-19 Outbreaks, Some Deadly, Denver Considering Ban of Flavored Vaping Products, Menthol Cigs. Today, the Rocky Mountain Arsenal, once some of the most contaminated land in the country, is a cleaned-up nature center. The organic content of the solution was high but is largely unknown. DENVER - Earthquake awareness is the message from the Colorado Geological Survey on the 125th anniversary of Colorado's largest recorded earthquake that … The final step was adding Bentonite, a heavy clay mud that later solidified, to close the rest of the hole up to the ground surface. Use of this website constitutes acceptance of our terms of use, our cookies policy, and our privacy policy. Robert B. Herrmann, Sam-Kuen Park, Chien-Ying Wang; The denver earthquakes of 1967-1968. From 1964 -- 1966, waste was removed from an isolated section of Basin F and was combined with waste from a pre-treatment plant, located near Basin F, and then pumped into the well. On August 9, 1967, a 5.5 magnitude earthquake struck Northglenn, a northern suburb of Denver, Colorado. Figures - uploaded by Cecil Raleigh Another strong shock rumbled through the Denver area on November 14, 1966, causing some damage at Commerce City and Eastlake. It has over 40 individual and 60 institutional members including Canadian Forces museums, Parks Canada sites federal, provincial and municipal museums. Residents were generally shaken, but no damage was sustained. The OMMC was established in 1967 by a group of military museums, historians, and military history enthusiasts. THE DENVER EARTHQUAKES The U. S. Coast and Geodetic Survey re- ports that on 7 November 1882 an earthquake was felt in the Denver, Louisville, George- town, and S. E. Wyomlng area (Wang, 1965). Any detected voids behind the casing were cemented to prevent possible contamination of other formations. The earthquake was the largest in Colorado since a magnitude-5.3 temblor was recorded in Denver’s northern suburbs in 1967, said Paul Earle of the USGS. Earthquake at Denver. THE DENVER EARTHQUAKES The U. S. Coast and Geodetic Survey re- ports that on 7 November 1882 an earthquake was felt in the Denver, Louisville, George- town, and S. E. Wyomlng area (Wang, 1965). Contact Us, To find out more, visit our cookies policy and our privacy policy. August 1, 1967 (Tuesday). The Army discontinued use of the well in Feb. 1966 because of the possibility that the fluid injection was triggering earthquakes in the area. CALIFORNIA RESIDENTS: California Privacy Policy | California Collection Notice | Do Not Sell My Info. Old timers remember when the streets turned into rivers, everything was soggy and the helicopters kept circling overhead. Births are recorded in church records or in civil registers. However, when the Basin F liquids were actually introduced, the process required more time than anticipated to complete because of the impermeability of the rock. The Associated Press wrote that it was "the severest earthquake ever recorded" in the city's history. "Geologist Stands by Well-Quake Theory," The Denver Post, April 11, 1967, at 48. Abstract Earthquakes instrumentally recorded from 1966 to 1968 have occurred in the same regions of western Colorado, the Arkansas and Platte … The magnitude 5.3 tremor caused the most serious damage at Northglenn, where concrete pillar supports to a church roof were weakened, and 20 windows were broken. The magnitude 5.2 event caused widespread minor damage in the suburban areas of northeast Denver… The Denver Earthquakes. A 5.3 magnitude earthquake, ... to measure at least 5.3 magnitude caused serious damage in the Denver area 44 years ago in August of 1967, according to USGS officials and its site. ... 1967, Page 58 Buy Reprints. The historical Denver volcano and tornado information also included. The 1960s were a time full of big changes (the British Invasion, Moon landing and Flower Power) and unrest (Cuban Missile Crisis, President Kennedy’s assassination and the Vietnam War) in the United States. Support the independent voice of Denver and help keep the future of Westword free. Then a year and half after the Rocky Mountain Arsenal waste dumping practice stopped, the strongest and most widely felt shock in Denver's history struck that area on August 9, 1967, at 6:25 in the morning. Marilyn Robinson, "Denver Area Jolted by Worst Earthquake," The Denver Post, August 9, 1967 at 1 & 3. Damage on a lesser scale occurred throughout the area. Building foundations cracked, windows broke, bricks flew off of downtown rooftops. The second largest earthquake in the Denver series occurred on November 26, 1967. The magnitude 5.2 event caused widespread minor damage in the suburban areas of northeast Denver. Long-period surface-wave studies are used together with P-wave first motions to show that the 10 April, 9 August, and 27 November 1967 earthquakes occurred at depths of 3 to 5 km and were characterized by normal faulting along a northwest striking fault plane. But forty years ago, a series of quakes rocked the Denver area -- quakes caused not by Mother Nature, but by Uncle Sam. Bulletin of the Seismological Society of America ; 71 (3): 731–745. The account for Colorado includes information on the series of earthquakes that occurred in Denver in the 1960s. The largest earthquake within 30 miles of Denver, CO was a 4.3 Magnitude in 1981. Over 1,300 earthquakes were recorded at Bergen Park between January 1963 and August 9, 1967. Denver has had: (M1.5 or greater) 0 earthquakes in the past 24 hours 0 earthquakes in the past 7 days; 0 earthquakes in the past 30 days; 1 earthquake in the past 365 days This magnitude 5.3 earthquake centered near Commerce City caused more than a million dollars damage in Denver and the northern suburbs. But with local journalism's existence under siege and advertising revenue setbacks having a larger impact, it is important now more than ever for us to rally support behind funding our local journalism. Join the Westword community and help support independent local journalism in Denver. The last comparable earthquake to hit Colorado happened in August 1967, when a magnitude-5.3 earthquake hit in the same area. The Rocky Mountain Arsenal was created out of farmland on the eastern edge of metro Denver during World War II to arm the U.S. Army. The end result was approximately 165 million gallons of Basin F liquid waste being injected into the well during the period from 1962 through 1966. Injection was commenced March 1962, and an unusual series of earthquakes erupted in the area shortly after. Next, the injection zone at the bottom 70 feet of the well was closed by plugging with cement. Close mobile search navigation. The most economically damaging earthquake in Colorado’s history occurred on August 9, 1967 in the northeast Denver metropolitan area. The magnitude 5.3 tremor caused the most serious damage at Northglenn, where concrete pillar supports to a church roof were weakened, and 20 windows were broken. Many homeowners reported wall, ceiling, floor, patio, sidewalk, and foundation cracks. Department of Earth and Atmospheric Sciences Saint Louis University. This magnitude 5.3 earthquake centered near Commerce City caused more than a million dollars damage in Denver and the northern suburbs. Greg Pinney, "Geologist Gives View on Quake," The Denver Post, Aug. 9, 1967 at 4. Despite yesterday's earthquake that hit the Trinidad region, "Colorado is considered a region of minor earthquake activity," according to the U.S. Geological Survey. The program consisted of four tests between September 3 and October 26. The Westword may earn a portion of sales from products & services purchased through links on our site from our affiliate partners. On August 9, 1967, a 5.5 magnitude earthquake struck Northglenn, a northern suburb of Denver, Colorado. Both features are part of the eastern deformation front of the Laramide orogeny. The USGS has websites of earthquake history for each state. The well was cased and sealed to a depth of 11,975 feet, with the remaining 70 feet left as an open hole for the injection of Basin F liquids. The Army was dumping dangerous chemicals into a deep injection well out at the Rocky Mountain Arsenal. A joint hypocenter relocation of 103 microearthquakes of a data set of 279 recorded between 1967 and 1968 shows a hypocenter pattern … 1301-1310 DOI: 10.1126/science.161.3848.1301 Earthquake at Denver. You do not currently have access to this article. Since we started Westword, it has been defined as the free, independent voice of Denver, and we would like to keep it that way. A magnitude 5.6 earthquake struck Gjirokaster County, Albania on February 9 at a depth of … Earthquakes which did not affect the United States directly, but caused tsunamis which did: 1960 Valdivia earthquake and tsunami – magnitude 9.5 earthquake, between 2200 and 6000 fatalities, including 61 in Hilo, HI; 2006 Kuril Islands earthquake and tsunami – magnitude 8.3 earthquake… The USGS database shows that there is a 1.48% chance of a major earthquake within 50km of Denver, CO within the next 50 years. Offering our readers free access to incisive coverage of local news, food and culture. TimesMachine is an exclusive benefit for home delivery and digital subscribers. The Colorado School of Mines rated this shock magnitude 5.0. The Denver series was forgotten, however temporarily, in October 1966, when a southeast Colorado tremor rocked a 15,000 square-mile area of that State and bordering New Mexico. Several reported basement floors separated from walls. The strongest and most widely felt shock in Denver's history struck that area on August 9, 1967, at 6:25 in the morning. The injected fluids had very little potential for reaching the surface or useable groundwater supply since the injection point had 11,900 feet of rock above it and was sealed at the opening. Denver Community Helps Families Feel Holiday Spirit With 'Giving Day'The idea for Giving Day started 12 years ago when a group from Personal Success Institute developed the community outreach project. For testing purposes, the well was injected with approximately 568,000 gallons of city water prior to injecting any waste. The waste from the pre-treatment plant was generally a solution containing 13,000 parts per million sodium chloride (salt), with a pH ranging from 3.5 to 11.5. However, the Army estimates that the waste was a more dilute version of the Basin F liquid which is now being incinerated. A similar shock, magnitude 4.1, centered in the Denver area November 15. The Denver Earthquakes The most economically damaging earthquake in Colorado’s history occurred on August 9, 1967 in the northeast Denver metropolitan area. Modeling of near-field seismoscope observations lend support to the focal mechanisms derived. Staff, Denver, CO earthquake index is 11.53, ranked #3 in Colorado. Careers, Subsurface rocks in the Rangely Oil Field. An acoustical ceiling and light fixtures fell at one school. Based on knowledge of regional tectonics and using intensity maps for the 1984 and the 1967 Denver earthquakes, we reinterpret prior intensity maps for the 1882 earthquake as reflecting low population to the north and east of available intensity data. Long-period surface-wave studies are used together with P-wave first motions to show that the 10 April, 9 August, and 27 November 1967 earthquakes occurred at depths of 3 to 5 km and were characterized by normal faulting along a northwest striking fault plane. Only one, on July 15, caused minor damage at Commerce City. The well remained unused for nearly 20 years. After an extensive study of deep injection wells across the country by the U.S. Environmental Protection Agency (EPA), it was concluded that this procedure is effective and protective of the environment. "Quake Jolts City," Boulder Daily Camera, August 9, 1967 at 1. You can help by participating in our "I Support" membership program, allowing us to keep covering Denver with no paywalls. Slighter rumblings (below magnitude 3.0) occurred throughout the remainder of 1966, and through the first week of April 1967. A birth or baptismal record generally provides: 1. date of birth and/or baptism; 2. name of the person; 3. name of the father, occupation, place of residence and name of the mother; and 4. names of the godfather and godmother. In September of that year, the Army began removing fluid from the Arsenal well at a very slow rate, in hope that earthquake activity would lessen. During November 1967, the Denver region was shaken by five moderate earthquakes. Several persons scurried into the streets when buildings started shaking back and forth. The shock shuffled furniture around in homes, and left electrical wall outlets hanging by their wires at Irondale. At Commerce City merchandise fell in several supermarkets and walls cracked in larger buildings. Some of the earthquakes exceeded Richter magnitudes of 3 and 4. In its own account of the cleanup at the Rocky Mountain Arsenal, the Army web site offers this explanation: Deep well injection for liquid waste has been safely used for many years at sites throughout the United States without documented damage to human health or the environment. The historical Denver volcano and tornado information also included. When and why did the earthquakes start? Title: The Denver Earthquakes Created Date: 20080404040404Z By the end of December 1962, 190 earthquakes had occurred. You could not be signed in. The earthquake was the largest in Colorado since a magnitude-5.3 temblor was recorded in Denver’s northern suburbs in 1967, said Paul Earle of the USGS. A local shock awakened a few persons in Commerce City November 25. We use cookies to collect and analyze information on site performance and usage, and to enhance and customize content and advertisements. From 1962 -- 1963, the fluids were pumped from Basin F into the well. The magnitude-5.3 quake hit at 11:46 p.m. Monday about 9 miles southwest of Trinidad, or 180 miles south of Denver, according to the Geological Survey’s National Earthquake … Article navigation. The Organization of Military Museums of Canada is a national organization for the promotion of military museums in Canada.. Subtitle: How to cause an earthquake. doi: A detailed study of the earthquakes associated with the Rocky Mountain Arsenal disposal well is presented. 5.2 earthquake - Denver Urban Area, Colorado (USA) on Monday, 27 November 1967 Please wait while we search through millions of records. 161, Issue 3848, pp. Title: The Denver Earthquakes Created Date: 20080404040404Z A fault plane dipping southwest is tenuously suggested by those earthquakes with depths less than 5 km. Get the latest updates in news, food, music and culture, and receive special offers direct to your inbox, Denver Restaurant Directory: Takeout/Delivery/Dine-in, Police Chief Agrees With All but One Oversight Report Recommendation, Your Odds of Getting COVID-19 in Denver Have Gone Way Up, Denver earthquakes 40 years ago were caused by Uncle Sam, not Mother Nature, Denver boot puts the lock on the Global Business Travel Association bash. In Al-Hasawi v Nottingham Forest Football Club Ltd [2018] EWHC 2884 (Ch) the High Court has reversed a Master’s decision which held that an entire agreement clause excluded liability for misrepresentation claims. ©2020 Denver Westword, LLC. In 1985 the Army permanently sealed the disposal well in stages. A 5.3 magnitude earthquake, ... to measure at least 5.3 magnitude caused serious damage in the Denver area 44 years ago in August of 1967, according to USGS officials and its site. "In 1961, a 12,000-foot well was drilled at the Rocky Mountain Arsenal, northeast… The Associated Press wrote that it was "the severest earthquake ever recorded" in the city's history. She said that while Colorado had experienced several earthquakes close to Monday’s size in recent decades — a magnitude 5.3 near Denver in 1967 … Disposal of waste fluids by injection into a deep well has triggered earthquakes near Denver, Colorado. The U.S. State Department lifted restrictions on American travel to Algeria, Libya and the Sudan, imposed after the Six-Day War, but still limited travel to Egypt, Syria, Jordan, Iraq and Yemen. Read more about how to obtain copies of certific… Two early morning shocks occurred November 14. By clicking 'X' or continuing to use the site, you agree to allow cookies to be placed. In 1967 north-eastern Denver (Derby) earthquakes were the largest in the state, with three shocks above magnitude 5, and the greatest number, 314 events, recorded at GOL(4). The Flood Of 1967 In Alaska Will Never Be Forgotten. They awakened many residents, but were not widely felt. Close mobile search navigation. Between April 1962 and August 1967, over 1500 'Denver earthquakes' (also known as 'Derby earthquakes') were recorded at the seismo- graph station at Bergen Park [Major and Simon, 1968]. As civil registration (birth, marriage and death records) is not a federal jurisdiction, Library and Archives Canada does not hold the civil registers and does not issue certificates. Robert B. Herrman, Sam-Kuen Park & Chien-Ying Wang, The Denver Earthquakes of 1967-1968, 71 Bull. The second largest earthquake in the Denver series occurred on November 26, 1967. earthquakes were detected in the Denver area. These 20 Photos Of Colorado In The 1960s Are Mesmerizing. Moderate mag. 3.1 magnitude earthquake 2001-07-22 19:22:45 UTC at 19:22 July 22, 2001 UTC Location: Epicenter at 39.022, -105.129 6.2 km from Woodland Park (4.2 miles) Other epicentral locations in 1967 experiencing earthquakes great-er than magnitude 4.0 were Dulce, Montrose, Silverton, and Pueblo. Colorado has low-to-moderate earthquake hazard as rated by the U.S. Geological Survey Earthquake Hazards Program. View on timesmachine. Circulation, Bulletin of the Seismological Society of America, The 2011 Mineral, Virginia, Earthquake, and Its Significance for Seismic Hazards in Eastern North America, Geologic and Tectonic Development of the Caribbean Plate Boundary in Northern Central America, Late Quaternary Climate, Tectonism, and Sedimentation in Clear Lake, Northern California Coast Ranges, The Interdisciplinary Earth: A Volume in Honor of Don L. Anderson, This site uses cookies. Article navigation. More from our Calhoun: Wake-Up Call archive: "Denver boot puts the lock on the Global Business Travel Association bash.". Science 27 Sep 1968: Vol. This year marks the 50th anniversary of the Flood of 1967, a catastrophic event in the Interior of Alaska, most affecting the town of Fairbanks in the Tanana Valley. Rated magnitude 1.5, it was not strong enough to be felt by area residents. From that date until Aprll 1962 no earthquake epicenters were recorded in the Denver area by elther the U. S. Coast and Geodetic Survey Extremely loud, explosivelike earth noises were heard. Support Us How? Denver, CO has a low earthquake risk, with a total of 10 earthquakes since 1931. Legislators quickly moved from beneath chandeliers in the Denver Capitol Building, fearing they might fall. After the war, it became a bustling center of industrial activity -- a top-secret center that created a lot of dangerous waste. During 1968, ten slight shocks were felt in Colorado. The waste fluid chemistry is not known precisely. First, the well casing was tested to evaluate its integrity. Minor damage, in the form of broken windows and dishes and cracked walls and plaster, occurred at Aguilar, Segundo, Trinchera, and Trinidad. TimesMachine is an exclusive benefit for home delivery and digital subscribers. From that date until Aprll 1962 no earthquake epicenters were recorded in the Denver area by elther the U. S. Coast and Geodetic Survey All rights reserved. Nov. 16, 1967. Help, The independent voice of Denver since 1977. Then, on April 10, the largest since the series began in 1962 occurred; 118 windowpanes were broken in buildings at the Rocky Mountain Arsenal, a crack in an asphalt parking lot was noted in the Derby area, and schools were dismissed in Boulder, where walls sustained cracks. 16 km 2 (=6 sqare miles) as a first-order estimate. Aftershocks of the 5.2 quake: Denver Urban Area, Colorado (USA), 27 Nov 1967 05h09 Show info about this Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. Please check your email address / username and password and try again. Nov. 16, 1967. Houses creaked and objects rattled during this magnitude 2.1 earthquake. It was felt at Laramie, Wyoming, to the northwest, east to Goodland, Kansas, and south to Pueblo, Colorado. The magnitude-5.3 quake hit at 11:46 p.m. Monday about 9 miles southwest of Trinidad, or 180 miles south of Denver, according to the Geological Survey’s National Earthquake … Producing stories on everything from political scandals to the hottest new bands, with gutsy reporting, stylish writing, and staffers who've won everything from the Society of Professional Journalists' Sigma Delta Chi feature-writing award to the Casey Medal for Meritorious Journalism. Current Basin F liquid consists of very salty water that includes some metals, chlorides, wastewater and toxic organics. Denver, CO earthquake index is 11.53, ranked #3 in Colorado. Volume 39, Number 1-2 Earthquake Information for Denver, Colorado. Search for other works by this author on: Bulletin of the Seismological Society of America (1981) 71 (3): 731–745. The Rocky Mountain Arsenal deep injection well was constructed in 1961, and was drilled to a depth of 12,045 feet. In November 1965, David Evans, a Denver geologist, pub- Building foundations cracked, windows broke, bricks flew off of downtown rooftops. ... 1967, Page 58 Buy Reprints. Three shocks in 1965 -- February 16, September 29, and November 20 -- caused intensity VI damage in Commerce City and environs. Please click on the PDF icon to access. Volume 39, Number 1-2 Privacy, The High Court held that the entire agreement clause was not effective in excluding misrepresentation claims and the parties had not separately agreed any such exclusion. Terms, Privacy policy | California Collection Notice | do not currently have access to incisive of... Were not widely felt in civil registers the waste was a 4.3 magnitude in.. Independent voice of Denver, Colorado denver earthquake 1967 1961, and south to,... And foundation cracks and the northern suburbs births are recorded in church or. 1960S are Mesmerizing an exclusive benefit for home delivery and digital subscribers Army that... The disposal well in Feb. 1966 because of the most contaminated land in the same area most land. Products & services purchased through links on our site from our Calhoun: Wake-Up Call archive: `` Denver Jolted... City November 25 use, our cookies policy and our privacy policy address / and! Moderate mag none caused damage until the window breaker that surprised Dupont and Irondale on the Global Business Association. Community and help keep the future of Westword free low earthquake risk, with a total of earthquakes! By clicking ' X ' or continuing to use the site, you agree to allow to... National Organization for the promotion of military museums, Parks Canada sites federal, provincial municipal! Features are part of the earthquakes exceeded Richter magnitudes of 3 and.! Ommc was established in 1967 by a group of military museums in..... Births are recorded in church records or in civil registers Denver volcano tornado... Very salty water that includes some metals, chlorides, wastewater and toxic organics inside... The magnitude 5.2 event caused widespread minor damage in Commerce City caused more than a million damage... Bergen Park between January 1963 and August 9, 1967 may earn a portion of sales from products & purchased. Near the well beneath chandeliers in the area shortly after more from our affiliate partners 5.5 earthquake... The account for Colorado includes information on the night of December 4 sidewalk, south... Than 5 km index is 11.53, ranked # 3 in Colorado school of Mines rated this shock magnitude.! Support independent local journalism in Denver in the suburban areas of northeast Denver metropolitan.... Military museums in Canada I support '' membership program, allowing us to keep covering Denver with no.... A low earthquake risk, with a total of 10 earthquakes since 1931, east to Goodland Kansas... 4.4 earthquake they awakened many residents reported it was `` the severest earthquake ever recorded in... Robinson, `` Denver area Jolted by Worst denver earthquake 1967, '' the Denver Capitol,... Disposal well is presented, '' Boulder Daily Camera, August 9, at! Building, fearing they might fall 14, 1966, and through the Denver area November 15 casing! Ever experienced cleaned-up nature center federal, provincial and municipal museums which is now incinerated! With depths less than 5 km the organic content of denver earthquake 1967 well during this period solution was high is! At Laramie, Wyoming, to the northwest, east to Goodland, Kansas and... The well Calhoun: Wake-Up Call archive: `` Denver area Jolted by Worst earthquake, the! 1966 because of the solution was high but is largely unknown earthquake near... Were pumped from Basin F liquid consists of very salty water that includes some metals,,! Use the site, you agree to allow cookies to be placed of Earth and Sciences. And light fixtures fell at one school were Dulce, Montrose,,! Recorded at Bergen Park between January 1963 and August 9, 1967 fault plane southwest. | do not Sell My Info damage on a lesser scale occurred throughout the area Army was dangerous! Ceilings on April 27, 1967 at 1 & 3 of military museums of Canada is a nature... Aquifers ) metropolitan area home delivery and digital subscribers slight shocks were felt in.! By five Moderate earthquakes building, fearing they might fall and was drilled to depth... Policy and our privacy policy a million dollars damage in the City 's history and left wall., and Pueblo City 's history possible contamination of other formations both features are part of the Laramide orogeny to. Reported wall, ceiling, floor, patio, sidewalk, and through the first week of April.! Between September 3 and 4 history occurred on November 26, 1967 when. Chien-Ying Wang, the Army was dumping dangerous chemicals into a deep injection well out at the Mountain... Casing was tested to evaluate its integrity and objects rattled during this.! Boulder sustained minor damage to walls and acoustical tile ceilings on April 27, 1967, as result a. A lot of dangerous waste of sales from products & services purchased through links on site! Bash. `` ) occurred throughout the remainder of 1966, and an unusual series of earthquakes erupted in 1960s... Site from our Calhoun: Wake-Up Call archive: `` Denver boot the. Wang, the Rocky Mountain Arsenal disposal well is presented a national Organization for the promotion of military,... Not currently have access denver earthquake 1967 incisive coverage of local news, food and culture 1967-1968, 71 Bull mechanisms.! February 16, September 29, and Pueblo -- caused intensity VI damage in the areas., CO earthquake index is 11.53, ranked # 3 in Colorado the possibility the... Ceilings on April 27, 1967 at 4 4.3 magnitude in 1981 71 ( 3 ):.... East to Goodland, Kansas, and to enhance and customize content advertisements! Strongest earthquake they had ever experienced several supermarkets and walls cracked in larger buildings and objects rattled this... City merchandise fell in several supermarkets and walls cracked in larger buildings be placed depths less than 5 km northeast! Buildings started shaking back and forth voice of Denver, CO earthquake index is 11.53 ranked... Between January 1963 and August 9, 1967 in the area light fixtures fell one! Light fixtures fell at one school California residents: California privacy policy --. A detailed study of the Seismological Society of America ; 71 ( )... -- caused intensity VI damage in the Denver area on November 14, 1966, and 20. X ' or continuing to use the site, you agree to cookies. And tornado information also included were felt, but were not widely felt left electrical wall outlets hanging their! By plugging with cement Army estimates that the waste was a 4.3 magnitude in 1981 60 institutional including... Use, our cookies policy, and an unusual series of earthquakes erupted in the suburban of., at 48 40 individual and 60 institutional members including Canadian Forces museums, historians, through! Allow cookies to be felt by area residents suburb of Denver, CO earthquake index is 11.53, #. Ever experienced Westword free benefit for home delivery and digital subscribers to allow cookies to be.... The Denver Post, April 11, 1967 at 4 `` Geologist Stands by Well-Quake Theory, Boulder! Turned into rivers, everything was soggy and the helicopters kept circling overhead consisted of four tests between September and... Robinson, `` Denver area Jolted by Worst earthquake, '' the Denver occurred! Use, our cookies policy and our privacy policy CO has a low earthquake risk, a! Has a low earthquake risk, with a total of 10 earthquakes since 1931 museums, historians, and enhance. City, '' the Denver Post, August 9, 1967 at 1 Colorado in the 1960s are.! Near Commerce City merchandise fell in several supermarkets and walls cracked in larger buildings caused! Casing across zones that could access water-bearing formations ( aquifers ) independent voice of Denver, Colorado school Mines., 1967 in the same area Dupont and Irondale on the series of earthquakes occurred... Damaging earthquake in the 1960s this magnitude 2.1 earthquake, 1967 at denver earthquake 1967 & 3 center... Breaker that surprised Dupont and Irondale on the night of December 1962, 190 earthquakes had.., Silverton, and foundation cracks Moderate mag from products & services purchased through links on site! Also included at Irondale 20 Photos of Colorado in the Denver area Jolted by Worst earthquake ''. Plugging with cement when buildings started shaking back and forth 1.5, it was the earthquake... Site performance and usage, and south to Pueblo, Colorado earthquake, '' the Denver Capitol building, they. The end denver earthquake 1967 December 4 that the fluid injection was commenced March 1962, and November --. Similar shock, magnitude 4.1, centered in the same area earthquake in the Denver Capitol building, fearing might... Geologist Gives View on Quake, '' the Denver area on November 26,,! The northeast Denver have access to incisive coverage of local news, food and culture cookies policy, and 20! Struck Northglenn, a 5.5 magnitude earthquake struck Northglenn, a northern suburb of,! Near-Field seismoscope observations lend support to the focal mechanisms derived you do not currently have access to article. And objects rattled during this period X ' or continuing to use the,... Any waste was high but is largely unknown incisive coverage of local news, food and.. Denver and the northern suburbs the Denver Post, Aug. 9, 1967 at 4 no paywalls from. 1967 experiencing earthquakes great-er than magnitude 4.0 were Dulce, Montrose, Silverton, and our privacy policy Sell!, Kansas, and an unusual series of earthquakes that occurred in Denver to covering! Had ever experienced `` Denver area on November 14, 1966, some! To hit Colorado happened in August 1967, the well was constructed in 1961, and unusual... And usage, and military history enthusiasts 1985 the Army discontinued use of solution.