2014 Aleutian Islands earthquake

Earthquake in Alaska, United States 2014 Aleutian Islands earthquake 2014-06-23 20:53:09 usc000rki5 604760173 23 June 2014 11:53 (HDT) (UTC-9) Alaska 7.9 MwM7.9 – 19 km SE of Little Sitkin Island, Alaska https://earthquake.usgs.gov/earthquakes/eventpage/usc000rki5#general_summary United States Geological Survey VIII 107.5 km mi us 51.849 178.735 inline,title Oblique-slip 6.0 W Y June 23 at 21:11 UTC Alaska, United States 17 cm ft on The 2014 Aleutian Islands earthquake occurred on 23 June at 11:53 HDT (UTC-9) with a moment magnitude of 7.9 and a maximum Mercalli intensity of VIII (Severe). The shock occurred in the Aleutian Islands – part of the US state of Alaska – 19 mi km southeast of Little Sitkin Island. Earthquake Alaska-Aleutian megathrust The earthquake was initially reported as 8.0 w y before it was downgraded to 7.9.24 June 2014 7 August 2021 Major earthquake hits off Alaska's Aleutian Islands Reuters https://www.reuters.com/article/uk-earthquake-aleutians-idUKKBN0EY2PC20140624 The rupture was on a normal fault, at ~107 km depth. Based on the geometry of the slab, and the relative movement of the tectonic plates, the slip vector is likely to have been oblique down-dip towards the ESE. The fault plane appears to be oblique, striking NW-SE and cutting steeply into the subducting slab. Tsunami A tsunami warning was issued,TSUNAMI MESSAGE NUMBER 1 NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK http://www.tsunami.gov/product.php?id=TSUWCA.20140623.2057.001 NOAA / National Weather Service 24 June 2014 https://web.archive.org/web/20140701084651/http://www.tsunami.gov/product.php?id=TSUWCA.20140623.2057.001 1 July 2014 dead but was soon downgraded to a tsunami advisory for much of the Aleutian Islands;TSUNAMI MESSAGE NUMBER 4 NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK http://www.tsunami.gov/product.php?id=TSUWCA.20140623.2244.004 NOAA / National Weather Service 24 June 2014 https://web.archive.org/web/20140626022039/http://www.tsunami.gov/product.php?id=TSUWCA.20140623.2244.004 2014-06-26 dead however, the hypocenter was too deep to generate a tsunami that would affect the Pacific basin.TSUNAMI BULLETIN NUMBER 002 PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS http://ptwc.weather.gov/text.php?id=pacific.TIBPAC.2014.06.23.2121 Pacific Tsunami Warning Center 24 June 2014 23 June 2014 https://web.archive.org/web/20140623213713/http://ptwc.weather.gov/text.php?id=pacific.TIBPAC.2014.06.23.2121 dead A small non-destructive tsunami was generated, with heights of 17 cm on Amchitka.Tsunami Event: ALEUTIAN ISLANDS, ALASKA https://www.ngdc.noaa.gov/hazel/view/hazards/tsunami/event-more-info/5571 NGDCTSUNAMI MESSAGE NUMBER 5 NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK http://www.tsunami.gov/product.php?id=TSUWCA.20140623.2345.005 NOAA / National Weather Service Service 24 June 2014 23 June 2014 https://web.archive.org/web/20140701092747/http://www.tsunami.gov/product.php?id=TSUWCA.20140623.2345.005 1 July 2014 dead See also intermediate-depth earthquake List of earthquakes in 2014 List of earthquakes in Alaska List of earthquakes in the United States References M6.0 – 6 km WNW of Little Sitkin Island, Alaska https://earthquake.usgs.gov/earthquakes/eventpage/usc000rkii#general_summary United States Geological Survey Sources The 23 June 2014 Mw 7.9 Rat Islands archipelago, Alaska, intermediate depth earthquake L. Ye T. Lay Thorne Lay H. Kanamori Hiroo Kanamori 2014 Geophysical Research Letters 11 18 6389–6395 10.1002/2014GL061153 2014GeoRL..41.6389Y free https://authors.library.caltech.edu/records/yy40y-rw073/files/grl52125.pdf?download=1 External links 604760173 M7.9 Rat Islands Earthquake of June 23, 2014 Alaska Earthquake Center (archived) expanded Category:2014 earthquakes Category:2014 in Alaska Category:2014 tsunamis Category:Earthquakes in the Aleutian Islands Aleutian Islands