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Magnitude 4.6 - ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA

2009 August 07 13:38:18 UTC

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Earthquake Details

Magnitude4.6
Date-Time
Location50.222°N, 178.849°W
Depth8.4 km (5.2 miles) (poorly constrained)
RegionANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
Distances
  • 241 km (150 miles) SW (221°) from Adak, AK
  • 391 km (243 miles) WSW (238°) from Atka, AK
  • 2164 km (1345 miles) WSW (249°) from Anchorage, AK
Location Uncertaintyhorizontal +/- 8 km (5.0 miles); depth +/- 22.5 km (14.0 miles)
ParametersNST= 62, Nph= 62, Dmin=183.5 km, Rmss=0.77 sec, Gp=130°,
M-type=body wave magnitude (Mb), Version=7
Source
  • USGS NEIC (WDCS-D)
Event IDus2009kaav
  • This event has been reviewed by a seismologist.
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