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M 3.1 earthquake — 20 km NE of Nikolaevsk, Alaska

Structured official-source report · Published Sep 21, 10:12 AM UTC · Updated Sep 21, 9:42 AM UTC
WATCH · active

Latest status

USGS reports a magnitude 3.1 earthquake 20 km NE of Nikolaevsk, Alaska. Depth: 45.9 km. Impact has not been assessed by StormScapes.

Where it happened

20 km NE of Nikolaevsk, Alaska · 59.934°, -151.328°

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Latest reported details

magnitude
3.1
depth km
45.9
tsunami flag
0

Missing values are unconfirmed, not zero. Magnitude and alert classifications do not establish casualty totals.

What officials are saying

Read the original reports below for instructions and the latest authoritative assessment. StormScapes does not independently confirm damage or issue evacuation orders.

What happens next

Follow updates from the responsible agency and local emergency management. Reports can change as new information becomes available.

Incident timeline

Sep 21, 9:42 AM UTC · usgs

USGS reports a magnitude 3.1 earthquake 20 km NE of Nikolaevsk, Alaska. Depth: 45.9 km. Impact has not been assessed by StormScapes.

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