Alaska earthquakes

M3.4 earthquake 112 km SW of Nikolski, Alaska

A magnitude 3.4 earthquake struck 112 km SW of Nikolski, Alaska on Tue, Dec 9, 1997, 1:51 PM HAST (23:51 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.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.4 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1997-12-09 23:51:35 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
52.370° N, 170.239° 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

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

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

  1. 3.8144 km SW of Nikolski, Alaska · 10524 days ago · 33 km deep · 45 km away
  2. 3.662 km SW of Nikolski, Alaska · 10520 days ago · 33 km deep · 50 km away
  3. 4.8125 km SW of Nikolski, Alaska · 10504 days ago · 33 km deep · 42 km away
  4. 3.9122 km SW of Nikolski, Alaska · 10498 days ago · 33 km deep · 30 km away
  5. 3.2181 km SW of Nikolski, Alaska · 10471 days ago · 33 km deep · 69 km away

Before

  1. 3.6149 km SW of Nikolski, Alaska · 10526 days ago · 33 km deep · 50 km away
  2. 5.1129 km SSW of Nikolski, Alaska · 10541 days ago · 33 km deep · 53 km away
  3. 5.2114 km SW of Nikolski, Alaska · 10541 days ago · 33 km deep · 41 km away
  4. 4.599 km SW of Nikolski, Alaska · 10547 days ago · 33 km deep · 14 km away
  5. 5.2112 km SW of Nikolski, Alaska · 10547 days ago · 33 km deep · 15 km away
  6. 5.4119 km SW of Nikolski, Alaska · 10547 days ago · 33 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0008cc6. Read Sat, Oct 3, 2026, 4:22 PM UTC.