M 4.6 earthquake — 102 km WSW of Nikolski, Alaska

Structured official-source report · Published Sep 20, 5:48 PM UTC · Updated Sep 20, 4:26 PM UTC

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Latest status

USGS reports a magnitude 4.6 earthquake 102 km WSW of Nikolski, Alaska. Depth: 87.277 km. Impact has not been assessed by StormScapes.

Where it happened

102 km WSW of Nikolski, Alaska · 52.750°, -170.347°

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Latest reported details

magnitude: 4.6
depth km: 87.277
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 20, 4:26 PM UTC · usgs

USGS reports a magnitude 4.6 earthquake 102 km WSW of Nikolski, Alaska. Depth: 87.277 km. Impact has not been assessed by StormScapes.

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