Alaska earthquakes

M4.7 earthquake 80 km SSE of Nikolski, Alaska

A magnitude 4.7 earthquake struck 80 km SSE of Nikolski, Alaska on Fri, Jun 4, 1982, 3:50 AM GMT-9 (12:50 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.2 84 km SSE of Nikolski, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
4.7 (mb), light
Local time
UTC
1982-06-04 12:50:20 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
52.235° N, 168.594° 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 1.7 and up: 9 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.766 km S of Nikolski, Alaska · 16181 days ago · 33 km deep · 14 km away
  2. 5.284 km SSE of Nikolski, Alaska · 16180 days ago · 33 km deep · 5 km away
  3. 4.4104 km SSE of Nikolski, Alaska · 16178 days ago · 33 km deep · 25 km away
  4. 4.479 km S of Nikolski, Alaska · 16135 days ago · 33 km deep · 8 km away
  5. 5.075 km S of Nikolski, Alaska · 16135 days ago · 33 km deep · 12 km away
  6. 4.976 km SW of Nikolski, Alaska · 16133 days ago · 33 km deep · 71 km away
  7. 4.483 km SSW of Nikolski, Alaska · 16128 days ago · 33 km deep · 61 km away
  8. 4.690 km SSW of Nikolski, Alaska · 16128 days ago · 33 km deep · 44 km away
  9. 5.090 km SSW of Nikolski, Alaska · 16128 days ago · 33 km deep · 54 km away

Before

  1. 4.568 km S of Nikolski, Alaska · 16181 days ago · 33 km deep · 14 km away
  2. 4.676 km S of Nikolski, Alaska · 16182 days ago · 33 km deep · 11 km away
  3. 4.7104 km SSE of Nikolski, Alaska · 16182 days ago · 33 km deep · 24 km away
  4. 5.381 km S of Nikolski, Alaska · 16182 days ago · 33 km deep · 3 km away
  5. 4.5122 km SSW of Nikolski, Alaska · 16187 days ago · 33 km deep · 90 km away
  6. 3.8101 km SSW of Nikolski, Alaska · 16204 days ago · 33 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001mph. Read Tue, Sep 22, 2026, 9:19 PM UTC.