Alaska earthquakes

M1.6 earthquake 66 km WNW of Tanana, Alaska

A magnitude 1.6 earthquake struck 66 km WNW of Tanana, Alaska on Sat, Mar 27, 2021, 11:25 PM AKDT (07:25 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M4.3 40 km SSW of Tanana, 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
1.6 (ml), micro
Local time
UTC
2021-03-28 07:25:12 UTC
Depth
11.6 km (7.2 mi), shallow
Epicenter
65.410° N, 153.375° 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
40

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.768 km NNE of Tanana, Alaska · 2004 days ago · 8 km deep · 85 km away
  2. 1.714 km WSW of Hughes, Alaska · 2001 days ago · 4 km deep · 87 km away
  3. 1.549 km ENE of Huslia, Alaska · 1996 days ago · 11 km deep · 100 km away
  4. 2.253 km SW of Hughes, Alaska · 1987 days ago · 6 km deep · 92 km away
  5. 2.364 km WNW of Tanana, Alaska · 1983 days ago · 10 km deep · 3 km away
  6. 1.533 km SSE of Tanana, Alaska · 1979 days ago · 0 km deep · 94 km away
  7. 4.340 km SSW of Tanana, Alaska · 1979 days ago · 19 km deep · 79 km away · felt by 6
  8. 2.343 km SSW of Tanana, Alaska · 1979 days ago · 9 km deep · 83 km away · felt by 1
  9. 1.745 km SSW of Tanana, Alaska · 1979 days ago · 0 km deep · 81 km away
  10. 1.945 km SSW of Tanana, Alaska · 1979 days ago · 4 km deep · 81 km away
  11. 1.545 km SSW of Tanana, Alaska · 1979 days ago · 13 km deep · 82 km away
  12. 2.665 km ENE of Ruby, Alaska · 1976 days ago · 13 km deep · 65 km away
  13. 2.866 km ENE of Ruby, Alaska · 1976 days ago · 10 km deep · 63 km away
  14. 3.231 km SE of Tanana, Alaska · 1963 days ago · 18 km deep · 96 km away
  15. 2.289 km SW of Tanana, Alaska · 1955 days ago · 11 km deep · 94 km away

Before

  1. 1.631 km E of Ruby, Alaska · 2024 days ago · 6 km deep · 97 km away
  2. 2.030 km SSW of Tanana, Alaska · 2025 days ago · 12 km deep · 76 km away
  3. 2.330 km SSW of Tanana, Alaska · 2025 days ago · 6 km deep · 77 km away
  4. 1.745 km ENE of Ruby, Alaska · 2029 days ago · 20 km deep · 83 km away
  5. 2.746 km SSW of Tanana, Alaska · 2031 days ago · 18 km deep · 85 km away · felt by 1
  6. 1.666 km SW of Tanana, Alaska · 2031 days ago · 12 km deep · 69 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0214002m6k. Read Wed, Sep 30, 2026, 11:24 PM UTC.