M3.9 earthquake 272 km WSW of Adak, Alaska
A magnitude 3.9 earthquake struck 272 km WSW of Adak, Alaska on Sat, Aug 30, 1997, 7:49 AM GMT+12 (19:49 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.6 212 km WSW of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1997-08-29 19:49:03 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.357° N, 179.525° E
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.6299 km W of Adak, Alaska · 10624 days ago · 33 km deep · 68 km away
- 4.3224 km WSW of Adak, Alaska · 10620 days ago · 60 km deep · 53 km away
- 4.1Rat Islands, Aleutian Islands, Alaska · 10619 days ago · 33 km deep · 32 km away
- 4.9216 km WSW of Adak, Alaska · 10605 days ago · 33 km deep · 68 km away
- 5.6212 km WSW of Adak, Alaska · 10605 days ago · 33 km deep · 70 km away
- 3.9Rat Islands, Aleutian Islands, Alaska · 10597 days ago · 33 km deep · 58 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00086vb. Read Thu, Oct 1, 2026, 8:08 PM UTC.