Alaska earthquakes

M2.2 earthquake 47 km SSW of Ugashik, Alaska

A magnitude 2.2 earthquake struck 47 km SSW of Ugashik, Alaska on Thu, Jul 23, 2020, 4:15 AM AKDT (12:15 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.7 84 km SSE of Ugashik, 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
2.2 (ml), micro
Local time
UTC
2020-07-23 12:15:53 UTC
Depth
9.3 km (5.8 mi), shallow
Epicenter
57.094° N, 157.582° 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
29

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 15 in the 30 days before it.

After

  1. 1.832 km SSE of Ugashik, Alaska · 2255 days ago · 108 km deep · 23 km away
  2. 2.224 km E of Chignik, Alaska · 2255 days ago · 14 km deep · 95 km away
  3. 2.692 km SSE of Ugashik, Alaska · 2255 days ago · 65 km deep · 67 km away
  4. 1.929 km ESE of Chignik, Alaska · 2255 days ago · 5 km deep · 100 km away
  5. 2.430 km ESE of Chignik, Alaska · 2253 days ago · 13 km deep · 97 km away
  6. 1.989 km ENE of Chignik, Alaska · 2251 days ago · 44 km deep · 70 km away
  7. 2.365 km E of Chignik, Alaska · 2250 days ago · 53 km deep · 81 km away
  8. 1.965 km ESE of Ugashik, Alaska · 2246 days ago · 96 km deep · 83 km away
  9. 2.222 km E of Chignik, Alaska · 2244 days ago · 15 km deep · 94 km away
  10. 2.047 km ENE of Ugashik, Alaska · 2244 days ago · 137 km deep · 81 km away
  11. 2.252 km E of Port Heiden, Alaska · 2244 days ago · 10 km deep · 18 km away
  12. 2.228 km ESE of Chignik, Alaska · 2242 days ago · 5 km deep · 98 km away
  13. 2.128 km ESE of Chignik, Alaska · 2241 days ago · 12 km deep · 100 km away
  14. 2.0102 km SSE of Ugashik, Alaska · 2237 days ago · 72 km deep · 78 km away
  15. 2.271 km SE of Ugashik, Alaska · 2234 days ago · 7 km deep · 70 km away
  16. 1.866 km SE of Ugashik, Alaska · 2234 days ago · 1 km deep · 54 km away
  17. 1.627 km E of Chignik, Alaska · 2229 days ago · 9 km deep · 97 km away
  18. 2.074 km ENE of Chignik, Alaska · 2229 days ago · 55 km deep · 66 km away
  19. 1.543 km SE of Ugashik, Alaska · 2229 days ago · 5 km deep · 40 km away
  20. 1.685 km ESE of Ugashik, Alaska · 2226 days ago · 74 km deep · 99 km away
  21. 2.031 km E of Chignik, Alaska · 2224 days ago · 87 km deep · 89 km away
  22. 2.661 km ENE of Ugashik, Alaska · 2224 days ago · 122 km deep · 96 km away
  23. 3.784 km SSE of Ugashik, Alaska · 2216 days ago · 69 km deep · 52 km away · felt by 3
  24. 1.937 km NNE of Chignik, Alaska · 2211 days ago · 108 km deep · 66 km away
  25. 1.653 km NE of Chignik, Alaska · 2207 days ago · 85 km deep · 50 km away
  26. 1.777 km ENE of Chignik, Alaska · 2207 days ago · 13 km deep · 56 km away
  27. 2.157 km ENE of Ugashik, Alaska · 2206 days ago · 125 km deep · 92 km away
  28. 2.259 km SSE of Ugashik, Alaska · 2200 days ago · 88 km deep · 32 km away

Before

  1. 2.069 km S of Ugashik, Alaska · 2261 days ago · 96 km deep · 24 km away
  2. 2.129 km ENE of Chignik, Alaska · 2263 days ago · 102 km deep · 79 km away
  3. 2.771 km NE of Chignik, Alaska · 2264 days ago · 77 km deep · 49 km away
  4. 2.333 km NE of Chignik, Alaska · 2271 days ago · 106 km deep · 69 km away
  5. 1.767 km E of Ugashik, Alaska · 2275 days ago · 19 km deep · 90 km away
  6. 1.7109 km E of Chignik, Alaska · 2278 days ago · 66 km deep · 93 km away
  7. 1.575 km E of Ugashik, Alaska · 2278 days ago · 80 km deep · 98 km away
  8. 1.781 km ENE of Chignik, Alaska · 2281 days ago · 88 km deep · 70 km away
  9. 1.532 km N of Chignik Lagoon, Alaska · 2281 days ago · 103 km deep · 81 km away
  10. 1.820 km SSE of Port Heiden, Alaska · 2284 days ago · 4 km deep · 65 km away
  11. 1.910 km SE of Port Heiden, Alaska · 2284 days ago · 13 km deep · 62 km away
  12. 2.185 km SE of Ugashik, Alaska · 2286 days ago · 81 km deep · 82 km away
  13. 3.035 km NNE of Chignik, Alaska · 2287 days ago · 6 km deep · 68 km away
  14. 1.570 km SE of Ugashik, Alaska · 2287 days ago · 2 km deep · 70 km away
  15. 1.714 km N of Chignik Lagoon, Alaska · 2287 days ago · 5 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0209f8eoco. Read Wed, Sep 30, 2026, 12:54 AM UTC.