Alaska earthquakes

M1.9 earthquake 85 km S of McCarthy, Alaska

A magnitude 1.9 earthquake struck 85 km S of McCarthy, Alaska on Sun, Aug 9, 2020, 2:55 AM AKDT (10:55 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.3 85 km S of McCarthy, Alaska. This one was a foreshock.

Cordova forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-08-09 10:55:37 UTC
Depth
5.9 km (3.7 mi), shallow
Epicenter
60.671° N, 143.004° 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
41

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.186 km S of McCarthy, Alaska · 2243 days ago · 6 km deep · 2 km away
  2. 2.184 km S of McCarthy, Alaska · 2243 days ago · 4 km deep · 1 km away
  3. 2.987 km S of McCarthy, Alaska · 2243 days ago · 9 km deep · 4 km away
  4. 4.385 km S of McCarthy, Alaska · 2243 days ago · 9 km deep · 1 km away · felt by 1 · tsunami flag
  5. 3.5Southern Alaska · 2243 days ago · 10 km deep · 1 km away
  6. 1.784 km S of McCarthy, Alaska · 2243 days ago · 10 km deep · 2 km away
  7. 2.385 km S of McCarthy, Alaska · 2243 days ago · 13 km deep · 1 km away
  8. 2.4Southern Alaska · 2243 days ago · 10 km deep · 1 km away
  9. 1.685 km S of McCarthy, Alaska · 2243 days ago · 8 km deep · 1 km away
  10. 1.585 km S of McCarthy, Alaska · 2243 days ago · 11 km deep · 1 km away
  11. 2.286 km S of McCarthy, Alaska · 2243 days ago · 12 km deep · 1 km away
  12. 1.785 km S of McCarthy, Alaska · 2243 days ago · 12 km deep · 3 km away
  13. 1.768 km ESE of McCarthy, Alaska · 2232 days ago · 2 km deep · 84 km away
  14. 1.684 km S of McCarthy, Alaska · 2227 days ago · 11 km deep · 1 km away
  15. 1.696 km S of McCarthy, Alaska · 2226 days ago · 4 km deep · 12 km away
  16. 2.3127 km S of McCarthy, Alaska · 2218 days ago · 12 km deep · 44 km away
  17. 2.396 km S of McCarthy, Alaska · 2215 days ago · 17 km deep · 19 km away
  18. 1.8129 km S of McCarthy, Alaska · 2214 days ago · 9 km deep · 46 km away
  19. 1.6131 km S of McCarthy, Alaska · 2214 days ago · 13 km deep · 47 km away
  20. 1.5Southern Alaska · 2208 days ago · 7 km deep · 1 km away
  21. 2.3107 km SSW of McCarthy, Alaska · 2204 days ago · 11 km deep · 28 km away
  22. 1.7103 km S of McCarthy, Alaska · 2199 days ago · 1 km deep · 19 km away
  23. 1.6120 km SSE of McCarthy, Alaska · 2199 days ago · 6 km deep · 72 km away
  24. 2.6125 km SSW of McCarthy, Alaska · 2194 days ago · 3 km deep · 45 km away
  25. 1.6101 km S of McCarthy, Alaska · 2189 days ago · 8 km deep · 18 km away
  26. 1.5131 km NW of Yakutat, Alaska · 2187 days ago · 13 km deep · 97 km away
  27. 1.698 km E of Cordova, Alaska · 2186 days ago · 16 km deep · 54 km away
  28. 1.6103 km S of McCarthy, Alaska · 2184 days ago · 3 km deep · 19 km away

Before

  1. 1.784 km S of McCarthy, Alaska · 2244 days ago · 8 km deep · 3 km away
  2. 3.986 km S of McCarthy, Alaska · 2244 days ago · 8 km deep · 2 km away · felt by 3 · tsunami flag
  3. 1.8130 km NW of Yakutat, Alaska · 2246 days ago · 15 km deep · 95 km away
  4. 1.7108 km S of McCarthy, Alaska · 2248 days ago · 2 km deep · 27 km away
  5. 2.6136 km SSE of McCarthy, Alaska · 2249 days ago · 7 km deep · 77 km away
  6. 1.6Southern Alaska · 2252 days ago · 14 km deep · 11 km away
  7. 1.5101 km S of McCarthy, Alaska · 2254 days ago · 8 km deep · 16 km away
  8. 1.6134 km NW of Yakutat, Alaska · 2258 days ago · 3 km deep · 86 km away
  9. 1.6138 km SSE of McCarthy, Alaska · 2270 days ago · 14 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020a7bl8wz. Read Thu, Oct 1, 2026, 4:42 AM UTC.