Guy-Greenbrier earthquake swarm

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 Mw
Total events	150–160 earthquakes

The Guy-Greenbrier earthquake swarm occurred in central Arkansas beginning in August 2010.^[2] The epicenters of earthquakes in the swarm showed a linear distribution, with a clear overall shift in activity towards the southwest with time,^[3] and the largest event in the swarm was the 2011 Arkansas earthquake, at 4.7 on the moment magnitude scale.^[3]

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 km²).^[4]

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.
^ "Archived copy". Archived from the original on 2011-03-07. Retrieved 2011-03-22.{{cite web}}: CS1 maint: archived copy as title (link)
^ ^a ^b "Magnitude 4.7 - ARKANSAS". usgs.gov.
^ 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.

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

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[1] 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.

[2] "Archived copy". Archived from the original on 2011-03-07. Retrieved 2011-03-22.{{cite web}}: CS1 maint: archived copy as title (link)

[USGS-3] "Magnitude 4.7 - ARKANSAS". usgs.gov.

[Short-4] 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.

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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 2010 Indiana 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 Antelope Valley 2021 Chignik
Swarms	2001 Enola 2008 Reno 2010–11 Guy-Greenbrier 2012 Brawley 2009–present Oklahoma 2019 Ridgecrest

Guy-Greenbrier earthquake swarm

Cause[]

See also[]

References[]