2012-02-04 21:09:18 (Mb 4.3) ANDREANOF ISLANDS, ALEUTIAN IS. 52.5 -175.9 (1cbfb)

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Globe with Earthquake Location

4.3 Mb - ANDREANOF ISLANDS, ALEUTIAN IS.

Preliminary Earthquake Report
Magnitude 4.3 Mb
Date-Time
  • 4 Feb 2012 21:09:18 UTC
  • 4 Feb 2012 11:09:18 near epicenter
  • 4 Feb 2012 13:09:18 standard time in your timezone
Location 52.467N 175.879W
Depth 195 km
Distances
  • 83 km (52 miles) NE (39 degrees) of Adak, AK
  • 117 km (73 miles) WNW (285 degrees) of Atka, AK
  • 476 km (296 miles) W (266 degrees) of Nikolski, AK
  • 1843 km (1145 miles) WSW (250 degrees) of Anchorage, AK
Location Uncertainty Horizontal: 30.9 km; Vertical 11.9 km
Parameters Nph = 88; Dmin = 646.8 km; Rmss = 0.57 seconds; Gp = 133°
M-type = Mb; Version = 5
Event ID US b0007vyl

For updates, maps, and technical information, see:
Event Page
or
USGS Earthquake Hazards Program

National Earthquake Information Center
U.S. Geological Survey
http://neic.usgs.gov/

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