Alaska earthquakes

M2.1 earthquake 86 km ENE of Chignik, Alaska

A magnitude 2.1 earthquake struck 86 km ENE of Chignik, Alaska on Sat, Oct 31, 2020, 6:20 PM AKDT (02:20 UTC), 61 km (38 mi) below the surface.

A larger quake followed: M3.4 119 km ESE of Chignik, 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), micro
Local time
UTC
2020-11-01 02:20:26 UTC
Depth
61.4 km (38.2 mi), shallow
Epicenter
56.669° N, 157.167° 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
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 2.4117 km ESE of Chignik, Alaska · 2155 days ago · 34 km deep · 90 km away
  2. 1.931 km SSE of Chignik, Alaska · 2154 days ago · 64 km deep · 94 km away
  3. 1.5109 km SE of Ugashik, Alaska · 2153 days ago · 68 km deep · 76 km away
  4. 1.647 km E of Ugashik, Alaska · 2151 days ago · 8 km deep · 95 km away
  5. 2.141 km E of Port Heiden, Alaska · 2147 days ago · 13 km deep · 57 km away
  6. 1.798 km W of Akhiok, Alaska · 2143 days ago · 8 km deep · 87 km away
  7. 1.7110 km SE of Ugashik, Alaska · 2142 days ago · 2 km deep · 58 km away
  8. 2.3107 km ESE of Chignik, Alaska · 2141 days ago · 45 km deep · 74 km away
  9. 2.6109 km E of Chignik, Alaska · 2139 days ago · 36 km deep · 45 km away
  10. 2.152 km E of Ugashik, Alaska · 2139 days ago · 80 km deep · 100 km away
  11. 2.283 km SSE of Ugashik, Alaska · 2133 days ago · 95 km deep · 23 km away
  12. 2.389 km E of Chignik, Alaska · 2132 days ago · 71 km deep · 40 km away
  13. 2.999 km ENE of Chignik, Alaska · 2130 days ago · 56 km deep · 15 km away
  14. 2.133 km NE of Port Heiden, Alaska · 2129 days ago · 27 km deep · 81 km away
  15. 2.4113 km SE of Ugashik, Alaska · 2129 days ago · 11 km deep · 58 km away
  16. 1.983 km SSE of Ugashik, Alaska · 2126 days ago · 77 km deep · 29 km away
  17. 1.930 km SE of Ugashik, Alaska · 2126 days ago · 108 km deep · 74 km away
  18. 2.973 km SSE of Ugashik, Alaska · 2118 days ago · 77 km deep · 34 km away
  19. 2.374 km E of Chignik, Alaska · 2116 days ago · 48 km deep · 35 km away
  20. 3.3119 km E of Chignik, Alaska · 2115 days ago · 46 km deep · 55 km away
  21. 2.5103 km ESE of Chignik, Alaska · 2109 days ago · 44 km deep · 75 km away
  22. 3.4119 km ESE of Chignik, Alaska · 2105 days ago · 51 km deep · 77 km away
  23. 1.563 km ESE of Ugashik, Alaska · 2103 days ago · 12 km deep · 82 km away

Before

  1. 2.998 km W of Akhiok, AK · 2159 days ago · 53 km deep · 91 km away
  2. 3.1120 km SSE of Ugashik, AK · 2160 days ago · 60 km deep · 53 km away
  3. 1.666 km SSE of Ugashik, Alaska · 2161 days ago · 81 km deep · 35 km away
  4. 1.892 km SSE of Ugashik, Alaska · 2162 days ago · 11 km deep · 39 km away
  5. 2.180 km SE of Ugashik, Alaska · 2167 days ago · 61 km deep · 54 km away
  6. 3.2111 km E of Chignik, Alaska · 2167 days ago · 44 km deep · 53 km away
  7. 2.1121 km ENE of Chignik, Alaska · 2172 days ago · 65 km deep · 44 km away
  8. 2.2103 km E of Chignik, Alaska · 2173 days ago · 47 km deep · 57 km away
  9. 2.259 km ENE of Chignik, Alaska · 2176 days ago · 89 km deep · 27 km away
  10. 1.988 km SE of Ugashik, Alaska · 2177 days ago · 71 km deep · 61 km away
  11. 2.424 km SSW of Ugashik, Alaska · 2179 days ago · 127 km deep · 77 km away
  12. 2.3104 km SE of Ugashik, Alaska · 2180 days ago · 71 km deep · 56 km away
  13. 2.124 km SE of Ugashik, Alaska · 2183 days ago · 116 km deep · 79 km away
  14. 1.597 km WSW of Karluk, Alaska · 2184 days ago · 9 km deep · 95 km away
  15. 2.4130 km SW of Akhiok, Alaska · 2185 days ago · 70 km deep · 97 km away
  16. 2.098 km WSW of Karluk, Alaska · 2186 days ago · 3 km deep · 94 km away
  17. 1.891 km SE of Ugashik, Alaska · 2186 days ago · 68 km deep · 47 km away
  18. 3.5Alaska Peninsula · 2187 days ago · 63 km deep · 56 km away
  19. 1.950 km SSW of Ugashik, Alaska · 2187 days ago · 108 km deep · 58 km away
  20. 2.0Alaska Peninsula · 2188 days ago · 2 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020e23repl. Read Wed, Sep 30, 2026, 4:48 AM UTC.