Earthquake reference

238 km SSE of Attu Station, Alaska

USGS recorded this 3.7 magnitude event near 238 km SSE of Attu Station, Alaska at 2026-07-09T08:00:25.101000+00:00. The published hypocentral depth is 10 km and the review status is reviewed. Event parameters can be revised as additional observations are processed. Nearby airports and postal locations on this page are calculated spatial references only; they do not establish administrative jurisdiction, damage, causation or future risk. This record is not an earthquake forecast or emergency alert.

340Same Day Events
196.1Nearest Airport Distance Km
5Same Day Events Count
5Similar Magnitude Events Count
5Nearest Airports Count
5Nearest Postal Codes Count

Key facts

Magnitude
3.7
Magnitude type
mb
Occurred at
2026-07-09T08:00:25.101000+00:00
Updated at
2026-07-25T09:43:45.040000+00:00
Review status
reviewed
Event type
earthquake
Reported intensity
1
Tsunami flag
No
Significance
211
Network
us
Latitude
51.0518
Longitude
175.0772
Depth (km)
10
USGS event page
https://earthquake.usgs.gov/earthquakes/eventpage/us7000t188

Upstream revision context

USGS event revision

This timeline contains versions captured by DataOfWorld; it is not a complete official revision archive.

UpdatedStatusPayload digest
2026-07-25T09:43:45.040000+00:00reviewed02ec8e7cbefe

Associated event IDs: aka2026nlsefv, us7000t188

Field-level provenance

Sources for this profile

Dates and licenses apply to the specific facts and series supplied by each source.

Reference data can change. Verify consequential decisions against the original source.