Tuesday, September 18, 2012

Earthquake: M 5.5, Kodiak Island region, Alaska

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude 5.5
Date-Time
  • Tuesday, September 18, 2012 at 01:44:49 UTC
  • Monday, September 17, 2012 at 05:44:49 PM at epicenter
Location 56.883°N, 154.079°W
Depth 48.1 km (29.9 miles)
Region KODIAK ISLAND REGION, ALASKA
Distances
  • 9 km (6 miles) SE (141°) from Akhiok, AK
  • 58 km (36 miles) SW (234°) from Old Harbor, AK
  • 73 km (45 miles) S (184°) from Larsen Bay, AK
  • 539 km (335 miles) SSW (209°) from Anchorage, AK
Location Uncertainty horizontal +/- 0.7 km (0.4 miles); depth +/- 0.1 km (0.1 miles)
Parameters NST= 86, Nph= 93, Dmin=36.6 km, Rmss=0.85 sec, Gp=130°,
M-type=body wave magnitude (Mb), Version=2
Source
Event ID ak10561248
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Tsunami Information

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