Alaska earthquakes

M1.8 earthquake 129 km S of McCarthy, Alaska

A magnitude 1.8 earthquake struck 129 km S of McCarthy, Alaska on Mon, Sep 7, 2020, 10:19 AM AKDT (18:19 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.7 97 km S of McCarthy, 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
2020-09-07 18:19:08 UTC
Depth
9.4 km (5.8 mi), shallow
Epicenter
60.289° N, 143.302° 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
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 1.6131 km S of McCarthy, Alaska · 2214 days ago · 13 km deep · 4 km away
  2. 1.5Southern Alaska · 2208 days ago · 7 km deep · 44 km away
  3. 2.3107 km SSW of McCarthy, Alaska · 2204 days ago · 11 km deep · 23 km away
  4. 1.7103 km S of McCarthy, Alaska · 2199 days ago · 1 km deep · 27 km away
  5. 1.6120 km SSE of McCarthy, Alaska · 2199 days ago · 6 km deep · 90 km away
  6. 2.080 km SE of Cordova, Alaska · 2196 days ago · 14 km deep · 73 km away
  7. 2.6125 km SSW of McCarthy, Alaska · 2194 days ago · 3 km deep · 11 km away
  8. 1.6101 km S of McCarthy, Alaska · 2189 days ago · 8 km deep · 35 km away
  9. 1.698 km E of Cordova, Alaska · 2186 days ago · 16 km deep · 47 km away
  10. 1.6103 km S of McCarthy, Alaska · 2184 days ago · 3 km deep · 28 km away
  11. 2.0122 km S of McCarthy, Alaska · 2178 days ago · 9 km deep · 16 km away
  12. 2.5123 km SSW of McCarthy, Alaska · 2177 days ago · 3 km deep · 12 km away
  13. 1.9124 km SSW of McCarthy, Alaska · 2176 days ago · 5 km deep · 11 km away
  14. 2.0163 km SE of Cordova, Alaska · 2169 days ago · 106 km deep · 68 km away
  15. 2.797 km S of McCarthy, Alaska · 2164 days ago · 10 km deep · 44 km away
  16. 2.0122 km S of McCarthy, Alaska · 2162 days ago · 11 km deep · 12 km away
  17. 2.696 km S of McCarthy, AK · 2159 days ago · 15 km deep · 44 km away

Before

  1. 2.396 km S of McCarthy, Alaska · 2216 days ago · 17 km deep · 44 km away
  2. 2.3127 km S of McCarthy, Alaska · 2219 days ago · 12 km deep · 1 km away
  3. 1.696 km S of McCarthy, Alaska · 2227 days ago · 4 km deep · 33 km away
  4. 1.684 km S of McCarthy, Alaska · 2227 days ago · 11 km deep · 46 km away
  5. 1.856 km ESE of Cordova, Alaska · 2238 days ago · 15 km deep · 87 km away
  6. 1.785 km S of McCarthy, Alaska · 2243 days ago · 12 km deep · 45 km away
  7. 2.286 km S of McCarthy, Alaska · 2243 days ago · 12 km deep · 45 km away
  8. 1.585 km S of McCarthy, Alaska · 2243 days ago · 11 km deep · 45 km away
  9. 1.685 km S of McCarthy, Alaska · 2243 days ago · 8 km deep · 45 km away
  10. 2.4Southern Alaska · 2243 days ago · 10 km deep · 46 km away
  11. 2.385 km S of McCarthy, Alaska · 2243 days ago · 13 km deep · 45 km away
  12. 1.784 km S of McCarthy, Alaska · 2243 days ago · 10 km deep · 46 km away
  13. 3.5Southern Alaska · 2243 days ago · 10 km deep · 46 km away
  14. 4.385 km S of McCarthy, Alaska · 2243 days ago · 9 km deep · 45 km away · felt by 1 · tsunami flag
  15. 2.987 km S of McCarthy, Alaska · 2244 days ago · 9 km deep · 45 km away
  16. 2.184 km S of McCarthy, Alaska · 2244 days ago · 4 km deep · 45 km away
  17. 2.186 km S of McCarthy, Alaska · 2244 days ago · 6 km deep · 44 km away
  18. 1.985 km S of McCarthy, Alaska · 2244 days ago · 6 km deep · 46 km away
  19. 1.784 km S of McCarthy, Alaska · 2244 days ago · 8 km deep · 47 km away
  20. 3.986 km S of McCarthy, Alaska · 2244 days ago · 8 km deep · 44 km away · felt by 3 · tsunami flag

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020bjeq0cj. Read Thu, Oct 1, 2026, 10:38 AM UTC.