OFFICIAL · Other

M 4.2 - 167 km S of Adak, Alaska

Name: M 4.2 - 167 km S of Adak, Alaska
Start: 2026-10-10T12:30:41.055Z
Location: Public record location

Observed Oct 10 2026, 12:30 UTC · Updated Oct 11 2026, 10:47 UTC

USGS reviewed earthquake. Magnitude 4.2. This is a seismic catalog entry, not a damage assessment.

Location 50.376, -176.339. ARC Warning did not create the underlying report.

Sources

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M 4.2 - 167 km S of Adak, Alaska · ARC Warning