Guy–Greenbrier earthquake swarm

(Redirected from Guy-Greenbrier earthquake swarm) Earthquake swarm in Arkansas, United States

Guy–Greenbrier earthquake swarm
Map of earthquake epicenters for the period August 6, 2010 to March 1, 2011
UTC time	??
ISC event	n/a
USGS-ANSS	n/a
Local date	2010–11
Duration	Less than one year
Type	Intraplate earthquakes
Areas affected	Central Arkansas
4.7 M_w
Total events	150–160 earthquakes

The Guy–Greenbrier earthquake swarm occurred in central Arkansas beginning in August 2010. The epicenters of earthquakes in the swarm showed a linear distribution, with a clear overall shift in activity towards the southwest with time, and the largest event in the swarm was the 2011 Arkansas earthquake, at 4.7 on the moment magnitude scale.

Cause

It has been suggested that the swarm was triggered by drilling activities associated with the exploration and production of shale gas in the Fayetteville Shale in northern Arkansas. Analysis of the swarm has found no link between this relatively shallow drilling and the earthquakes, but has instead suggested a link with deep waste disposal drilling similar to that identified at the Rocky Mountain Arsenal in the 1960s, and has led to a moratorium on such drilling being proposed covering an area of 1150 square miles (2980 km).

References

Peterson, Mark D.; Mueller, Charles S.; Moschetti, Morgan P.; Hoover, Susan M.; Rubinstein, Justin L.; Llenos, Andrea L.; Michael, Andrew J.; Ellsworth, William L.; McGarr, Arthur F.; Holland, Austin A.; Anderson, John G. (April 23, 2015). Incorporating Induced Seismicity in the 2014 United States National Seismic Hazard Model—Results of 2014 Workshop and Sensitivity Studies (USGS Open-File Report 2015–1070) (PDF) (Report). United States Geological Survey. p. 13. doi:10.3133/ofr20151070. ISSN 2331-1258. OCLC 38116130. Retrieved April 23, 2015.
"CERI – Public Awareness –". Archived from the original on 2011-03-07. Retrieved 2011-03-22.
^ "Magnitude 4.7 – Arkansas". United States Geological Survey.
Short, Louis (June 24, 2011). "Permanent injection well moratorium proposed". The Sun Times. Archived from the original on 30 June 2011. Retrieved 3 July 2011.

v t e Earthquakes in the United States
Historical	1585 Aleutian Islands 1638 New Hampshire 1663 Charlevoix 1700 Cascadia 1755 Cape Ann 1783 New Jersey 1811–12 New Madrid 1812 San Juan Capistrano 1812 Santa Barbara 1838 San Andreas 1857 Fort Tejon 1865 Memphis 1867 Manhattan, Kansas 1868 Hawaii 1868 Hayward 1870 Charlevoix 1871 Lānaʻi 1872 Owens Valley 1872 North Cascades 1882 Fort Collins 1886 Charleston 1887 Sonora 1892 Laguna Salada 1892 Vacaville–Winters 1895 Charleston 1898 Mare Island 1899 San Jacinto
20th century	1901 Richfield 1906 San Francisco 1906 Aleutian Islands 1909 Wabash River 1914 Reno 1915 Imperial Valley 1915 Pleasant Valley 1916 Irondale 1918 San Jacinto 1921 Sevier Valley 1925 Montana 1925 Santa Barbara 1927 Lompoc 1931 Valentine 1932 Eureka 1932 Cedar Mountain 1933 Long Beach 1934 Hansel Valley 1935 Helena 1936 State Line 1940 El Centro 1940 New Hampshire 1944 Cornwall–Massena 1946 Aleutian Islands 1947 Wisconsin 1948 Desert Hot Springs 1949 Olympia 1952 Kern County 1954 Churchill County 1957 Andreanof Islands 1957 San Francisco 1958 Huslia 1958 Lituya Bay 1959 Hebgen Lake 1962 Cache Valley 1964 Alaska 1965 Rat Islands 1965 Puget Sound 1968 Borrego Mountain 1968 Illinois 1969 Santa Rosa 1971 San Fernando 1973 Point Mugu 1975 Near Islands 1975 Morris 1975 Hawaii 1979 Coyote Lake 1979 Imperial Valley 1980 Eureka 1981 Westmorland 1983 Coalinga 1983 Borah Peak 1983 Kaoiki 1984 Morgan Hill 1986 North Palm Springs 1986 Chalfant Valley 1987 Whittier Narrows 1987 Imperial Valley 1989 Loma Prieta 1990 Upland 1991 Sierra Madre 1992 Joshua Tree 1992 Cape Mendocino 1992 Landers 1992 Big Bear 1992 St. George 1993 Scotts Mills 1993 Klamath Falls 1994 Northridge 1995 Marathon 1998 Pymatuning 1999 Hector Mine 2000 Yountville
21st century	2001 Nisqually 2002 Denali 2003 Alabama 2003 San Simeon 2006 Gulf of Mexico 2006 Kiholo Bay 2008 Illinois 2008 Chino Hills 2008 Reno 2008 Wells 2010 Eureka 2010 Baja California 2011 Colorado 2011 Virginia 2011 Oklahoma 2013 Port Alexander 2014 La Habra 2014 Aleutian Islands 2014 Southeast Alaska 2014 South Napa 2016 Oklahoma 2018 Alaska 2018 Hawaii 2018 Anchorage 2018 Southern Appalachian 2019 Ridgecrest 2020 Salt Lake City 2020 Central Idaho 2020 Monte Cristo Range 2020 Sparta 2021 Chignik 2022 Ferndale 2023 Texas 2024 New Jersey 2024 Cape Mendocino
Swarms	2001 Enola 2008 Reno 2010–11 Guy–Greenbrier 2012 Brawley 2009–present Oklahoma 2019 Ridgecrest

35°17′N 92°22′W / 35.28°N 92.36°W / 35.28; -92.36

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