M 3.5 Earthquake 160 km SW of Adak, Alaska
A magnitude 3.5 earthquake was recorded by USGS near 160 km SW of Adak. On the USGS Earthquake Hazards Program scale, M3.5 is classified "Minor". Among the 1,720 earthquake reports Areazine has published, this M3.5 event ranks stronger than 32% of them (rank #1,104 by magnitude).
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- Magnitude
- M 3.5
- USGS class
- Minor
- Location
- 160 km SW of Adak
- Archive rank
- #1,104 of 1,720
- Source
- USGS
- Published
- September 2, 2026
Out of 1,720 earthquake reports Areazine has logged, this one outranks 32% of them — 1,103 recorded a higher magnitude.
Record status: a point-in-time USGS detection. Aftershocks, revised magnitude, and felt-report data continue to update on USGS's own event page after publication.
What Happened
A M 3.5 ml earthquake struck at 12:47:20 UTC on August 2, 2026 (Unix time 1788325640144). The event was located at coordinates 51.018 latitude, -178.497 longitude, with a depth of 6.9 km.
Location Details
The earthquake occurred 160 km SW of Adak, Alaska. The shallow depth of 6.9 km classifies it as a shallow event (less than 20 km).
Impact Assessment
No felt reports were recorded. The Modified Mercalli Intensity was measured at 4.059. There was no tsunami advisory (tsunami field: 0) and no alert level assigned.
What You Should Know
This was a minor earthquake (M 2.5-3.9 range), which is often felt but rarely causes damage. The event was reviewed by the Alaska regional network.
Source
Data from USGS: https://earthquake.usgs.gov/earthquakes/eventpage/aka2026rjbpcn
Original source: USGS Official Notice ↗
Related Earthquakes
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Beyond this USGS earthquake report's own category, Areazine surfaces two nationwide peer sets: length-matched and severity/date-matched notices from elsewhere in the archive, distinct from the same-feed Related list above.
Similar body length
Nearest notices by article body length (806 characters here).
Similar severity timing
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What People Ask
Common questions about this USGS earthquake report.