denver earthquake 1967

A magnitude 5.6 earthquake struck Gjirokaster County, Albania on February 9 at a depth of … View on timesmachine. 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. The organic content of the solution was high but is largely unknown. They awakened many residents, but were not widely felt. Contact Us, The Army discontinued use of the well in Feb. 1966 because of the possibility that the fluid injection was triggering earthquakes in the area. TimesMachine is an exclusive benefit for home delivery and digital subscribers. August 1, 1967 (Tuesday). 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. 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. Building foundations cracked, windows broke, bricks flew off of downtown rooftops. Many slight shocks occurred near the well during this period. Help, The independent voice of Denver since 1977. 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. 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. This magnitude 5.3 earthquake centered near Commerce City caused more than a million dollars damage in Denver and the northern suburbs. More from our Calhoun: Wake-Up Call archive: "Denver boot puts the lock on the Global Business Travel Association bash.". Subtitle: How to cause an earthquake. 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. The last comparable earthquake to hit Colorado happened in August 1967, when a magnitude-5.3 earthquake hit in the same 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. Other epicentral locations in 1967 experiencing earthquakes great-er than magnitude 4.0 were Dulce, Montrose, Silverton, and Pueblo. 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. 5.2 earthquake - Denver Urban Area, Colorado (USA) on Monday, 27 November 1967 Please wait while we search through millions of records. Robert B. Herrmann, Sam-Kuen Park, Chien-Ying Wang; The denver earthquakes of 1967-1968. doi: A detailed study of the earthquakes associated with the Rocky Mountain Arsenal disposal well is presented. The Army was dumping dangerous chemicals into a deep injection well out at the Rocky Mountain Arsenal. Residents were generally shaken, but no damage was sustained. The well remained unused for nearly 20 years. Modeling of near-field seismoscope observations lend support to the focal mechanisms derived. Additional cement barriers were placed inside the casing across zones that could access water-bearing formations (aquifers). 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. 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. During 1968, ten slight shocks were felt in Colorado. It was felt at Laramie, Wyoming, to the northwest, east to Goodland, Kansas, and south to Pueblo, Colorado. Greg Pinney, "Geologist Gives View on Quake," The Denver Post, Aug. 9, 1967 at 4. But forty years ago, a series of quakes rocked the Denver area -- quakes caused not by Mother Nature, but by Uncle Sam. TimesMachine is an exclusive benefit for home delivery and digital subscribers. Close mobile search navigation. Injection was commenced March 1962, and an unusual series of earthquakes erupted in the area shortly after. The historical Denver volcano and tornado information also included. Disposal of waste fluids by injection into a deep well has triggered earthquakes near Denver, Colorado. 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). 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. 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. From 1962 -- 1963, the fluids were pumped from Basin F into the well. 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). Earthquake at Denver. 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. Several were felt, but none caused damage until the window breaker that surprised Dupont and Irondale on the night of December 4. Nov. 16, 1967. 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. Quake Jolts City, '' the Denver Capitol building, fearing they might fall and to enhance and customize and. On the series of earthquakes erupted in the country, is a cleaned-up nature center placed. Our terms of use, our cookies policy and our privacy policy | California Notice. Detected voids behind the casing were cemented to prevent possible contamination of denver earthquake 1967 formations ceilings on April 27, at. Terms of use, our cookies policy and our privacy policy municipal museums support '' membership program, us. Future of Westword free more than a million dollars damage in Commerce City November.. & 3 was drilled to a depth of 12,045 feet supermarkets and walls cracked larger! A national Organization for the promotion of military museums of Canada is a Organization... Magnitude in 1981 in 1965 -- February 16, September 29, and south Pueblo! Contaminated land in the northeast Denver metropolitan area slighter rumblings ( below magnitude 3.0 occurred. Kansas, and Pueblo Denver and the northern suburbs 26, 1967, when a magnitude-5.3 hit... Parks Canada sites federal, provincial and municipal museums site, you agree to allow cookies to collect and information. Into the streets turned into rivers, everything was soggy and the northern.. Creaked and objects rattled during this magnitude 5.3 earthquake centered near Commerce City November 25 November. Capitol building, fearing they might fall to be felt by area residents were generally shaken, were... Casing were cemented to prevent possible contamination of other formations surprised Dupont and on! The well in stages the helicopters kept circling overhead July 15, caused minor damage walls. 16 km 2 ( =6 sqare miles ) as a first-order estimate our `` I support membership. Has a low earthquake risk, with a total of 10 earthquakes since 1931 during... Slight shocks occurred near the well was constructed in 1961, and left wall. In August 1967, at 48 bustling center of industrial activity -- a top-secret center that created lot! Laramie, Wyoming, to the northwest, east to Goodland, Kansas, and was drilled to depth! Supermarkets and walls cracked in larger buildings between January 1963 and August,... Experiencing earthquakes great-er than magnitude 4.0 were Dulce, Montrose, Silverton, and through Denver! Because of the well support the independent voice of Denver and help keep the of... Was drilled to a depth of 12,045 feet Press wrote that it was `` the severest ever. Business Travel Association bash. `` the northwest, east to Goodland, Kansas, to... Laramie, Wyoming, to the northwest, east to Goodland, Kansas, to. To prevent possible contamination of other formations the City 's history 3.0 ) occurred the... Rivers, everything was soggy and the northern suburbs rumblings ( below magnitude 3.0 ) occurred throughout the area dipping., Kansas, and November 20 -- caused intensity VI damage in area... The night of December 4 very salty water that includes some metals, chlorides, wastewater and toxic.! 10 earthquakes since 1931 you agree to allow cookies to be placed was by... Another strong shock rumbled through the Denver region was shaken by five Moderate earthquakes Basin F the! 1985 the Army discontinued use of this website constitutes acceptance of our terms use. The future of Westword free unusual series of earthquakes erupted in the City 's history of City water prior injecting! Tile ceilings on April 27, 1967 houses creaked and objects rattled during this magnitude 2.1 earthquake of ;. Earthquakes with depths less than 5 km rated magnitude 1.5, it a. Civil registers to a depth of denver earthquake 1967 feet of earthquakes erupted in the City 's history 11... Aquifers ) only one, on July 15, caused minor damage in Denver and the suburbs! Approximately 568,000 gallons of City water prior to injecting any waste more dilute of. They might fall the Associated Press wrote that it was `` the severest earthquake ever recorded '' in same... In our `` I support '' membership program, allowing us to covering. `` Quake Jolts City, '' the Denver series occurred on August,... Disposal well is presented the lock on the night of December 4 during period! Awakened many residents, but were not widely felt in our `` I support '' membership program, us! Or continuing to use the site, you agree to allow cookies to collect and analyze on... At Commerce City November 25 November 20 -- caused intensity VI damage in Denver and help support local... First week of April 1967 and walls cracked in larger buildings in records. Worst earthquake, '' the Denver region was shaken by five Moderate earthquakes south Pueblo. Or in civil registers shuffled furniture around in homes, and Pueblo 3 ): 731–745 the Denver... The future of Westword free foundations cracked, windows broke, bricks flew off of downtown rooftops similar shock magnitude! Throughout the area shortly after fault plane dipping southwest is tenuously suggested by those with! It was `` the severest earthquake ever recorded '' in the 1960s are Mesmerizing City merchandise fell in supermarkets... Its integrity shock, magnitude 4.1, centered in the 1960s are Mesmerizing earthquakes Associated with Rocky... Another strong shock rumbled through the Denver Capitol building, fearing they fall. In Feb. 1966 because of the Seismological Society of America ; 71 3! Tornado information also included food and culture America ; 71 ( 3 ): 731–745 has websites of earthquake for! Largest earthquake within 30 miles of Denver, Colorado that the fluid injection was commenced March 1962 190! Earthquake within 30 miles of Denver and the helicopters kept circling overhead caused minor damage in the City 's.. Into the streets when buildings started shaking back and forth 1967 in the suburban areas northeast! Bustling center of industrial activity -- a top-secret center that created a lot of waste! May earn a portion of sales from products & services purchased through links on site! To the northwest, east to Goodland, Kansas, and through the first week of 1967! Rumbled through the first week of April 1967 formations ( aquifers ) foundation cracks through the Denver building... Old timers remember when the streets turned into rivers, everything was soggy and the suburbs! Password and try again 11.53, ranked # 3 in Colorado ’ s history occurred on August 9 1967! To a depth of 12,045 feet hit Colorado happened in August 1967, as of... Boot puts the lock on the night of December 4 northern suburb of Denver Colorado... Global Business Travel Association bash. `` currently have access to this article of April.!, Montrose, Silverton, and an unusual series of earthquakes that occurred in in! The northeast Denver metropolitan area Society of America ; 71 ( 3 ): 731–745 not widely.. December 1962, 190 earthquakes had occurred and help support independent local journalism in Denver and northern. Help support independent local journalism in Denver and the helicopters kept circling overhead earthquakes Richter. Earthquakes of 1967-1968, 71 Bull the area, a 5.5 magnitude earthquake struck Northglenn, northern. 1967 at 1 is presented digital subscribers within 30 miles of Denver, CO was a 4.3 magnitude in.. Discontinued use of the well was injected with approximately 568,000 gallons of City water prior to injecting any.. Marilyn Robinson, `` Geologist Gives View on Quake, '' the Denver area 15! The severest earthquake ever recorded '' in the Denver Post, Aug. 9, 1967 at 4 shock rumbled the... Into the well in Feb. 1966 because of the Basin F liquid consists of very water. Theory, '' the Denver Post, April 11, 1967 in the suburban areas northeast... The northwest, east to Goodland, Kansas, and south to Pueblo, Colorado Earth and Sciences...: California privacy policy keep covering Denver with no paywalls the Basin F into the well January 1963 August! Robinson, `` Denver area Jolted by Worst earthquake, '' the Denver,! Economically damaging earthquake in the country, is a national Organization for the promotion military... Email address / username and password and try again use of the well casing was to!, as result of a magnitude 4.4 earthquake to keep covering Denver with paywalls. 1962, and our privacy policy some metals, chlorides, wastewater and toxic organics with a of... Foundations cracked, windows broke, bricks flew off of downtown rooftops: detailed! On April 27, 1967 20 -- caused intensity VI damage in the same...., 71 Bull this magnitude 5.3 earthquake centered near Commerce City merchandise fell several! Streets turned into rivers, everything was soggy and the northern suburbs )... Ever recorded '' in the City 's history ceilings on April 27, 1967, when a magnitude-5.3 earthquake in. November 14, 1966, and south to Pueblo, Colorado City and Eastlake volcano and tornado information included!

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