M 3.8 - 104 km SSE of Adak, Alaska

  • 2025-03-21 15:24:28 (UTC)
  • 51.004°N 176.050°W
  • 35.0 km depth

ShakeMap

 Contributed by AK last updated 2025-03-21 16:25:19 (UTC)
  • The data below are the most preferred data available
  • The data below have NOT been reviewed by a scientist.
Version 2

Peak Spectral Acceleration for 0.3 s, 1.0 s, 3.0 s

0.3 s PSA (%g)

Marker
0.002 %g
0.01 %g
0.05 %g
0.2 %g
50 km
30 mi
ShakeMap intensity legend

1.0 s PSA (%g)

Marker
0.0005 %g
0.002 %g
0.01 %g
0.05 %g
50 km
30 mi
ShakeMap intensity legend

3.0 s PSA (%g)

Marker
0.000049999999999999996 %g
0.0002 %g
0.001 %g
50 km
30 mi
ShakeMap intensity legend