Earthquake reference

49 km SE of Atka, Alaska

USGS recorded this 3.3 magnitude event near 49 km SE of Atka, Alaska at 2026-07-29T20:32:35.534000+00:00. The published hypocentral depth is 69.764 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.

390Same Day Events
51.8Nearest Airport Distance Km
5Same Day Events Count
5Similar Magnitude Events Count
5Nearest Airports Count
5Nearest Postal Codes Count

Key facts

Magnitude
3.3
Magnitude type
ml
Occurred at
2026-07-29T20:32:35.534000+00:00
Updated at
2026-07-31T18:49:31.040000+00:00
Review status
reviewed
Event type
earthquake
Tsunami flag
No
Significance
168
Network
us
Latitude
51.92
Longitude
-173.6272
Depth (km)
69.764
USGS event page
https://earthquake.usgs.gov/earthquakes/eventpage/us6000th1s

Upstream revision context

USGS event revision

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

UpdatedStatusPayload digest
2026-07-31T18:49:31.040000+00:00reviewed73a295533992

Associated event IDs: aka2026oxprsc, us6000th1s

Field-level provenance

Sources for this profile

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