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USGS · REPORTED EARTHQUAKE

M 4.0 · 85 km SSW of Nikolski, Alaska

Observed . Review status: reviewed.

MAGNITUDE
4.0 mb
DEPTH
40.5 km
LATITUDE
52.2509°
LONGITUDE
-169.4274°

Source & provenance

Source identifier: usgs:us7000tikp. Source revised 24 Sep 2026, 21:15 UTC. The latest retained record was collected 24 Sep 2026, 21:15 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, 21:15 UTCrevised4.024 Sep 2026, 21:15 UTC
20 Sep 2026, 04:55 UTCcreated4.020 Sep 2026, 04:53 UTC

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