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USGS · REPORTED EARTHQUAKE

M 3.9 · 169 km WSW of Nikolski, Alaska

Observed . Review status: reviewed.

MAGNITUDE
3.9 ml
DEPTH
111.2 km
LATITUDE
52.2260°
LONGITUDE
-171.0710°

Source & provenance

Source identifier: usgs:aka2026slngie. Source revised 17 Sep 2026, 15:44 UTC. The latest retained record was collected 17 Sep 2026, 15:46 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
17 Sep 2026, 15:46 UTCrevised3.917 Sep 2026, 15:44 UTC
17 Sep 2026, 15:21 UTCrevised4.017 Sep 2026, 15:15 UTC
17 Sep 2026, 15:15 UTCcreated4.017 Sep 2026, 15:14 UTC

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