USGS EVENT DOSSIER

M3.1

249 km ESE of Chiniak, Alaska

REVIEWED

ORIGIN TIME2026-10-26T20:10:57.129Z

DEPTH10.0 KM

COORDINATES56.4340, -148.7885

SIGNIFICANCE148

FELT REPORTS--

MMI / CDI-- / --

PAGER--

TSUNAMI FLAGNO

SOURCE + PROVENANCEU.S. GEOLOGICAL SURVEY

Event ID us7000ttbv. Updated 2026-11-13T19:53:19.040Z. This dossier reflects source-returned event metadata and does not infer a cause.

OPEN USGS EVENT ↗

LOCAL SEISMIC CONTEXTOTHER EVENTS WITHIN 250 KMCurrent 30-day catalog window

131 km SSE of Old Harbor, Alaska2026-11-11T20:24:46.192Z · 5.8 KM DEEP

OPEN →M3.1

128 km SSE of Old Harbor, Alaska2026-11-11T19:08:19.738Z · 20.1 KM DEEP

OPEN →M3.2

208 km SE of Chiniak, Alaska2026-10-30T04:46:08.200Z · 75.0 KM DEEP

OPEN →M2.8

247 km ESE of Chiniak, Alaska2026-10-27T08:49:43.629Z · 10.0 KM DEEP

OPEN →M2.7

188 km SSE of Old Harbor, Alaska2026-10-25T10:17:00.434Z · 10.0 KM DEEP

OPEN →M2.7

149 km SSE of Old Harbor, Alaska2026-10-19T17:44:49.887Z · 5.0 KM DEEP

OPEN →M3.1

241 km SE of Chiniak, Alaska2026-10-16T19:59:15.737Z · 21.4 KM DEEP

OPEN →M3.2

264 km ESE of Chiniak, Alaska2026-10-16T19:09:45.709Z · 10.0 KM DEEP

OPEN CORRELATION WORKSPACE →