M 4.0 - 77 km SSE of Adak, Alaska

  • 2025-03-20 06:50:30 (UTC)
  • 51.222°N 176.221°W
  • 35.0 km depth

Origin

 Contributed by US last updated 2025-03-20 12:24:24 (UTC)
  • The data below are the most preferred data available
  • The data below have been reviewed by a scientist
Magnitude
uncertainty
4 mb ± 0.1
Location
uncertainty
51.222°N  176.221°W± 4.4 km
Depth
uncertainty
35.0 km ± 2.0
Origin Time
Number of Stations
37
Number of Phases
41
Minimum Distance
72.5 km ( 0.65° )
Travel Time Residual
0.54 s
Azimuthal Gap
208°
FE Region
Andreanof Islands, Aleutian Islands, Alaska (7)
Review Status
REVIEWED
Catalog
US ( us6000pzzp )
Location Source
US
Magnitude Source
US
Contributor
US