Alaska earthquakes

M2.9 earthquake 33 km ENE of Chase, Alaska

A magnitude 2.9 earthquake struck 33 km ENE of Chase, Alaska on Mon, Dec 10, 1984, 9:50 AM AKST (18:50 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M4.1 69 km NNE of Petersville, 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
2.9 (ml), micro
Local time
UTC
1984-12-10 18:50:21 UTC
Depth
24.3 km (15.1 mi), shallow
Epicenter
62.573° N, 149.505° 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.

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.169 km NNE of Petersville, Alaska · 15229 days ago · 42 km deep · 75 km away

Before

  1. 3.0Southern Alaska · 15266 days ago · 39 km deep · 82 km away
  2. 3.817 km ENE of Willow, Alaska · 15287 days ago · 30 km deep · 87 km away
  3. 3.032 km SW of Trapper Creek, Alaska · 15288 days ago · 32 km deep · 79 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00029xq. Read Tue, Sep 22, 2026, 9:14 AM UTC.