Event ID	1774431
Event time	2026-10-18 08:02:43 (UTC)
Local time	2026-10-18 16:02:43 - [It was afternoon in the affected area.]
Last update	2026-10-18 08:22:30 (UTC)
Magnitude	3.8
Depth	39.8 km
Class	Minor
Hypocenter	Shallow depth
Mercalli scale	2
Possible effects	A few people might notice movement if they are at rest and/or on the upper floors of tall buildings.
Data status	reviewed
Data provider	USGS

Continent	North-America
Country	USA
Administration area	Alaska
Nearest settlement	Unalaska
Distance	86 km
Course	SSW
Surface type	underwater quake
Tsunami region	North Pacific
Water surface name	Bering Sea

Nearest nuclear power plants

There is no known nuclear power plant nearby.

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Nearest marine ports

Cannery Bay (63,44 km), Cannery Bay (63,44 km), Makushin (68,57 km), Makushin (68,57 km)

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Nearest airports

Chernofski Harbor Seaplane Base (44,38 km), Chernofski Harbor Seaplane Base (44,38 km), Cape Field at Fort Glenn (63,80 km), Cape Field at Fort Glenn (63,80 km), North Shore AAF (73,16 km)

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Nearest volcanoes

There is no known volcanoes nearby.

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Quick Analysis

According to the epicenter of the quake, this is an underwater quake.