M3.8 earthquake 144 km SW of Nikolski, Alaska
A magnitude 3.8 earthquake struck 144 km SW of Nikolski, Alaska on Wed, Dec 10, 1997, 5:49 PM HAST (03:49 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.8 125 km SW of Nikolski, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.8 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1997-12-11 03:49:57 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.968° N, 170.274° 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: 4 in the 60 days after this one and 7 in the 30 days before it.
After
- 3.662 km SW of Nikolski, Alaska · 10520 days ago · 33 km deep · 84 km away
- 4.8125 km SW of Nikolski, Alaska · 10504 days ago · 33 km deep · 23 km away
- 3.9122 km SW of Nikolski, Alaska · 10497 days ago · 33 km deep · 22 km away
- 3.2181 km SW of Nikolski, Alaska · 10471 days ago · 33 km deep · 56 km away
Before
- 3.4112 km SW of Nikolski, Alaska · 10525 days ago · 33 km deep · 45 km away
- 3.6149 km SW of Nikolski, Alaska · 10526 days ago · 33 km deep · 5 km away
- 5.1129 km SSW of Nikolski, Alaska · 10541 days ago · 33 km deep · 28 km away
- 5.2114 km SW of Nikolski, Alaska · 10541 days ago · 33 km deep · 33 km away
- 4.599 km SW of Nikolski, Alaska · 10547 days ago · 33 km deep · 54 km away
- 5.2112 km SW of Nikolski, Alaska · 10547 days ago · 33 km deep · 35 km away
- 5.4119 km SW of Nikolski, Alaska · 10547 days ago · 33 km deep · 29 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008cep. Read Sat, Oct 3, 2026, 3:29 PM UTC.