Alaska earthquakes

M1.8 earthquake 29 km ESE of Slana, Alaska

A magnitude 1.8 earthquake struck 29 km ESE of Slana, Alaska on Tue, Dec 28, 2021, 3:56 AM AKST (12:56 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.4 28 km E of Slana, 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-12-28 12:56:28 UTC
Depth
2.6 km (1.6 mi), shallow
Epicenter
62.647° N, 143.397° 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.

Stations used
51

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.531 km E of Slana, Alaska · 1739 days ago · 7 km deep · 2 km away
  2. 2.530 km ESE of Slana, Alaska · 1739 days ago · 4 km deep · 1 km away
  3. 3.428 km E of Slana, Alaska · 1739 days ago · 4 km deep · 2 km away
  4. 1.617 km SE of Mentasta Lake, Alaska · 1730 days ago · 4 km deep · 20 km away
  5. 2.131 km NW of Mentasta Lake, Alaska · 1714 days ago · 5 km deep · 67 km away
  6. 2.325 km ESE of Nabesna, Alaska · 1700 days ago · 0 km deep · 57 km away
  7. 1.515 km E of Nabesna, Alaska · 1690 days ago · 7 km deep · 47 km away
  8. 1.517 km E of Nabesna, Alaska · 1689 days ago · 12 km deep · 47 km away
  9. 1.530 km WNW of Mentasta Lake, Alaska · 1687 days ago · 4 km deep · 64 km away

Before

  1. 1.518 km NNE of Nabesna, Alaska · 1743 days ago · 12 km deep · 33 km away
  2. 2.216 km NE of Nabesna, Alaska · 1743 days ago · 5 km deep · 34 km away
  3. 1.916 km NNE of Nabesna, Alaska · 1743 days ago · 8 km deep · 31 km away
  4. 1.615 km NNW of Mentasta Lake, Alaska · 1746 days ago · 10 km deep · 51 km away
  5. 2.142 km WNW of Mentasta Lake, Alaska · 1748 days ago · 7 km deep · 76 km away
  6. 1.829 km ESE of Nabesna, Alaska · 1756 days ago · 0 km deep · 63 km away
  7. 1.524 km N of Nabesna, Alaska · 1766 days ago · 6 km deep · 18 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021gmw0wc3. Read Fri, Oct 2, 2026, 3:49 PM UTC.