Live record · USGSReports quakes after they happen. Not an alert system.

Earthquake · Reviewed by USGS

M2.1 earthquake 77 km SSW of Adak, Alaska

A magnitude 2.1 earthquake struck 77 km SSW of Adak, Alaska at Oct 21, 2026, 16:15 UTC, at a depth of 28 km.

Details

Magnitude2.1 ml
TimeOct 21, 2026, 16:15 UTC
Depth27.6 km
Coordinates51.221, -177.036
Felt reports0
Tsunami flagNone
SourceUSGS event page
Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
MagnitudeLocationDistanceDepthTime
2.254 km SW of Adak, Alaska36 km / 22 midepth 19 km
2.672 km SE of Adak, Alaska81 km / 50 midepth 22 km
2.2140 km SW of Adak, Alaska83 km / 51 midepth 28 km
1.521 km WSW of Adak, Alaska66 km / 41 midepth 97 km
2.0126 km SW of Adak, Alaska73 km / 45 midepth 37 km
1.957 km SW of Adak, Alaska32 km / 20 midepth 22 km
2.068 km SSE of Adak, Alaska62 km / 38 midepth 27 km
2.654 km SSE of Adak, Alaska61 km / 38 midepth 27 km

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.