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Earthquake · Reviewed by USGS

M2.4 earthquake 87 km SSW of Atka, Alaska

A magnitude 2.4 earthquake struck 87 km SSW of Atka, Alaska at Oct 21, 2026, 18:17 UTC, at a depth of 10 km.

Details

Magnitude2.4 ml
TimeOct 21, 2026, 18:17 UTC
Depth9.6 km
Coordinates51.439, -174.561
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
3.511 km NNE of Atka, Alaska99 km / 61 midepth 206 km
2.829 km WNW of Atka, Alaska98 km / 61 midepth 199 km
2.672 km SE of Adak, Alaska94 km / 58 midepth 22 km
2.284 km SW of Atka, Alaska31 km / 19 midepth 22 km
2.359 km SE of Atka, Alaska75 km / 47 midepth 6 km
2.387 km SSW of Atka, Alaska1 km / 1 midepth 12 km
2.392 km SSW of Atka, Alaska5 km / 3 midepth 4 km

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