M4.1 earthquake 83 km SW of Atka, Alaska
A magnitude 4.1 earthquake struck 83 km SW of Atka, Alaska on Mon, Dec 29, 1997, 10:13 AM HAST (20:13 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.6 40 km ESE 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
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1997-12-29 20:13:05 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.638° N, 175.009° W
- 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: 5 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.169 km WSW of Atka, Alaska · 10503 days ago · 33 km deep · 28 km away
- 4.447 km SE of Atka, Alaska · 10487 days ago · 54 km deep · 88 km away
- 4.3109 km SE of Adak, Alaska · 10469 days ago · 33 km deep · 43 km away
- 4.640 km ESE of Adak, Alaska · 10458 days ago · 43 km deep · 77 km away
- 4.440 km E of Adak, Alaska · 10444 days ago · 48 km deep · 77 km away
Before
- 4.788 km SW of Atka, Alaska · 10505 days ago · 33 km deep · 6 km away
- 3.689 km SSW of Atka, Alaska · 10505 days ago · 33 km deep · 14 km away
- 4.3103 km SW of Atka, Alaska · 10505 days ago · 33 km deep · 23 km away
- 3.764 km ESE of Adak, Alaska · 10509 days ago · 33 km deep · 58 km away
- 3.468 km SE of Adak, Alaska · 10524 days ago · 33 km deep · 62 km away
- 4.280 km SSE of Adak, Alaska · 10531 days ago · 33 km deep · 87 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008dcu. Read Fri, Oct 2, 2026, 1:47 AM UTC.