Alaska earthquakes

M1.6 earthquake 53 km NE of Chignik, Alaska

A magnitude 1.6 earthquake struck 53 km NE of Chignik, Alaska on Sun, Sep 13, 2020, 7:22 AM AKDT (15:22 UTC), 85 km (53 mi) below the surface.

A larger quake followed: M3.5 Alaska Peninsula. 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
2020-09-13 15:22:46 UTC
Depth
84.5 km (52.5 mi), intermediate-depth
Epicenter
56.668° N, 157.850° 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
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 1.777 km ENE of Chignik, Alaska · 2207 days ago · 13 km deep · 35 km away
  2. 2.1113 km E of Chignik, Alaska · 2202 days ago · 40 km deep · 88 km away
  3. 2.259 km SSE of Ugashik, Alaska · 2200 days ago · 88 km deep · 60 km away
  4. 1.834 km SSW of Port Heiden, Alaska · 2192 days ago · 17 km deep · 55 km away
  5. 2.149 km E of Port Heiden, Alaska · 2192 days ago · 8 km deep · 36 km away
  6. 2.56 km NE of Chignik Lagoon, Alaska · 2189 days ago · 87 km deep · 52 km away
  7. 2.0Alaska Peninsula · 2188 days ago · 2 km deep · 49 km away
  8. 1.950 km SSW of Ugashik, Alaska · 2187 days ago · 108 km deep · 48 km away
  9. 3.5Alaska Peninsula · 2187 days ago · 63 km deep · 37 km away
  10. 1.891 km SE of Ugashik, Alaska · 2186 days ago · 68 km deep · 86 km away
  11. 1.95 km E of Chignik Lake, Alaska · 2185 days ago · 9 km deep · 68 km away
  12. 2.124 km SE of Ugashik, Alaska · 2183 days ago · 116 km deep · 91 km away
  13. 2.3104 km SE of Ugashik, Alaska · 2180 days ago · 71 km deep · 97 km away
  14. 2.424 km SSW of Ugashik, Alaska · 2179 days ago · 127 km deep · 74 km away
  15. 1.988 km SE of Ugashik, Alaska · 2177 days ago · 71 km deep · 98 km away
  16. 2.259 km ENE of Chignik, Alaska · 2176 days ago · 89 km deep · 21 km away
  17. 2.2103 km E of Chignik, Alaska · 2173 days ago · 47 km deep · 85 km away
  18. 2.1121 km ENE of Chignik, Alaska · 2172 days ago · 65 km deep · 85 km away
  19. 3.2111 km E of Chignik, Alaska · 2167 days ago · 44 km deep · 86 km away
  20. 2.180 km SE of Ugashik, Alaska · 2167 days ago · 61 km deep · 89 km away
  21. 1.892 km SSE of Ugashik, Alaska · 2162 days ago · 11 km deep · 79 km away
  22. 1.666 km SSE of Ugashik, Alaska · 2161 days ago · 81 km deep · 64 km away
  23. 3.1120 km SSE of Ugashik, AK · 2160 days ago · 60 km deep · 94 km away
  24. 2.186 km ENE of Chignik, Alaska · 2159 days ago · 61 km deep · 42 km away
  25. 2.152 km S of Chignik, Alaska · 2156 days ago · 51 km deep · 97 km away
  26. 1.931 km SSE of Chignik, Alaska · 2154 days ago · 64 km deep · 73 km away

Before

  1. 1.8Alaska Peninsula · 2208 days ago · 61 km deep · 82 km away
  2. 1.799 km ESE of Chignik, Alaska · 2208 days ago · 21 km deep · 93 km away
  3. 1.530 km ESE of Chignik, Alaska · 2208 days ago · 14 km deep · 51 km away
  4. 2.733 km W of Chignik Lake, Alaska · 2209 days ago · 121 km deep · 98 km away
  5. 1.937 km NNE of Chignik, Alaska · 2211 days ago · 108 km deep · 23 km away
  6. 3.784 km SSE of Ugashik, Alaska · 2216 days ago · 69 km deep · 58 km away · felt by 3
  7. 1.921 km SSE of Chignik Lake, Alaska · 2216 days ago · 13 km deep · 84 km away
  8. 2.495 km ESE of Chignik, Alaska · 2216 days ago · 9 km deep · 92 km away
  9. 2.234 km ESE of Chignik, Alaska · 2218 days ago · 11 km deep · 53 km away
  10. 2.031 km E of Chignik, Alaska · 2224 days ago · 87 km deep · 40 km away
  11. 1.543 km SE of Ugashik, Alaska · 2229 days ago · 5 km deep · 81 km away
  12. 2.0115 km E of Chignik, Alaska · 2229 days ago · 47 km deep · 91 km away
  13. 2.074 km ENE of Chignik, Alaska · 2229 days ago · 55 km deep · 38 km away
  14. 1.627 km E of Chignik, Alaska · 2229 days ago · 9 km deep · 47 km away
  15. 2.026 km SE of Chignik, Alaska · 2230 days ago · 63 km deep · 59 km away
  16. 1.520 km SSW of Chignik Lake, Alaska · 2230 days ago · 10 km deep · 89 km away
  17. 1.866 km SE of Ugashik, Alaska · 2234 days ago · 1 km deep · 83 km away
  18. 2.0102 km SSE of Ugashik, Alaska · 2237 days ago · 72 km deep · 85 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020bta6ifx. Read Wed, Sep 30, 2026, 12:52 AM UTC.