Alaska earthquakes

M2.1 earthquake 80 km W of Tanana, Alaska

A magnitude 2.1 earthquake struck 80 km W of Tanana, Alaska on Thu, Feb 18, 2021, 5:03 AM AKST (14:03 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.7 46 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
2.1 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-02-18 14:03:37 UTC
Depth
11.2 km (7.0 mi), shallow
Epicenter
65.238° N, 153.800° 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
45

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 10 in the 30 days before it.

After

  1. 1.666 km SW of Tanana, Alaska · 2033 days ago · 12 km deep · 57 km away
  2. 2.746 km SSW of Tanana, Alaska · 2033 days ago · 18 km deep · 84 km away · felt by 1
  3. 1.745 km ENE of Ruby, Alaska · 2030 days ago · 20 km deep · 56 km away
  4. 2.330 km SSW of Tanana, Alaska · 2026 days ago · 6 km deep · 81 km away
  5. 2.030 km SSW of Tanana, Alaska · 2026 days ago · 12 km deep · 80 km away
  6. 1.631 km E of Ruby, Alaska · 2025 days ago · 6 km deep · 70 km away
  7. 1.666 km WNW of Tanana, Alaska · 2014 days ago · 12 km deep · 28 km away
  8. 1.714 km WSW of Hughes, Alaska · 2003 days ago · 4 km deep · 94 km away
  9. 1.549 km ENE of Huslia, Alaska · 1997 days ago · 11 km deep · 94 km away

Before

  1. 1.983 km W of Tanana, Alaska · 2053 days ago · 11 km deep · 2 km away
  2. 1.982 km W of Tanana, Alaska · 2053 days ago · 6 km deep · 2 km away
  3. 1.581 km W of Tanana, Alaska · 2054 days ago · 8 km deep · 1 km away
  4. 1.680 km W of Tanana, Alaska · 2054 days ago · 8 km deep · 0 km away
  5. 2.441 km N of Ruby, Alaska · 2056 days ago · 14 km deep · 79 km away
  6. 2.466 km WNW of Tanana, Alaska · 2057 days ago · 10 km deep · 27 km away
  7. 1.736 km S of Tanana, Alaska · 2061 days ago · 11 km deep · 95 km away
  8. 2.5northern Alaska · 2065 days ago · 8 km deep · 83 km away
  9. 1.951 km E of Huslia, Alaska · 2078 days ago · 4 km deep · 91 km away
  10. 1.954 km N of Tanana, Alaska · 2079 days ago · 15 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021299oss4. Read Fri, Oct 2, 2026, 1:52 PM UTC.