2012-02-18 17:34:48 UPDATED: (Mb 4.2) FOX ISLANDS, ALEUTIAN ISLANDS 51.9 -171.8 (1cbfb)

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Globe with Earthquake Location

4.2 Mb - FOX ISLANDS, ALEUTIAN ISLANDS

Preliminary Earthquake Report
Magnitude 4.2 Mb
Date-Time
  • 18 Feb 2012 17:34:48 UTC
  • 18 Feb 2012 07:34:48 near epicenter
  • 18 Feb 2012 09:34:48 standard time in your timezone
Location 51.926N 171.806W
Depth 38 km
Distances
  • 167 km (104 miles) E (99 degrees) of Atka, AK
  • 229 km (142 miles) WSW (242 degrees) of Nikolski, AK
  • 332 km (206 miles) E (87 degrees) of Adak, AK
  • 1685 km (1047 miles) WSW (242 degrees) of Anchorage, AK
Location Uncertainty Horizontal: 30.8 km; Vertical 9.4 km
Parameters Nph = 80; Dmin = 416.3 km; Rmss = 1.00 seconds; Gp = 136°
M-type = Mb; Version = 5
Event ID US b000828x ***This event supersedes event AK10416367.

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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