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USGS · REPORTED EARTHQUAKE

M 4.0 · 166 km SW of Nikolski, Alaska

Observed . Review status: reviewed.

MAGNITUDE
4.0 ml
DEPTH
18.5 km
LATITUDE
52.0260°
LONGITUDE
-170.7990°

Source & provenance

Source identifier: usgs:aka2026sotica. Source revised 24 Sep 2026, 22:56 UTC. The latest retained record was collected 24 Sep 2026, 23:02 UTC.

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Versions retained by URSY

History starts when URSY first collects this event. Later source revisions can change reported measurements.

Collected · UTCChangeMagnitudeSource revision · UTC
24 Sep 2026, 23:02 UTCrevised4.024 Sep 2026, 22:56 UTC
24 Sep 2026, 22:56 UTCrevised4.024 Sep 2026, 22:55 UTC
19 Sep 2026, 17:40 UTCcreated4.019 Sep 2026, 17:37 UTC

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