Alaska earthquakes

M2.1 earthquake 121 km ENE of Chignik, Alaska

A magnitude 2.1 earthquake struck 121 km ENE of Chignik, Alaska on Sun, Oct 18, 2020, 9:31 PM AKDT (05:31 UTC), 65 km (40 mi) below the surface.

A larger quake followed: M3.3 119 km E 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
2020-10-19 05:31:31 UTC
Depth
65.1 km (40.5 mi), shallow
Epicenter
56.535° N, 156.484° 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
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 3.2111 km E of Chignik, Alaska · 2167 days ago · 44 km deep · 26 km away
  2. 2.180 km SE of Ugashik, Alaska · 2167 days ago · 61 km deep · 50 km away
  3. 2.980 km W of Akhiok, Alaska · 2166 days ago · 59 km deep · 87 km away
  4. 1.892 km SSE of Ugashik, Alaska · 2162 days ago · 11 km deep · 31 km away
  5. 1.666 km SSE of Ugashik, Alaska · 2161 days ago · 81 km deep · 55 km away
  6. 2.9126 km SW of Akhiok, AK · 2160 days ago · 67 km deep · 64 km away
  7. 3.1120 km SSE of Ugashik, AK · 2160 days ago · 60 km deep · 14 km away
  8. 2.998 km W of Akhiok, AK · 2159 days ago · 53 km deep · 66 km away
  9. 2.186 km ENE of Chignik, Alaska · 2159 days ago · 61 km deep · 44 km away
  10. 2.4117 km ESE of Chignik, Alaska · 2155 days ago · 34 km deep · 70 km away
  11. 1.5109 km SE of Ugashik, Alaska · 2153 days ago · 68 km deep · 50 km away
  12. 1.798 km W of Akhiok, Alaska · 2143 days ago · 8 km deep · 53 km away
  13. 1.7110 km SE of Ugashik, Alaska · 2142 days ago · 2 km deep · 28 km away
  14. 2.3107 km ESE of Chignik, Alaska · 2141 days ago · 45 km deep · 56 km away
  15. 2.6109 km E of Chignik, Alaska · 2139 days ago · 36 km deep · 18 km away
  16. 2.283 km SSE of Ugashik, Alaska · 2133 days ago · 95 km deep · 40 km away
  17. 1.883 km W of Akhiok, Alaska · 2132 days ago · 75 km deep · 68 km away
  18. 2.389 km E of Chignik, Alaska · 2132 days ago · 71 km deep · 37 km away
  19. 2.999 km ENE of Chignik, Alaska · 2130 days ago · 56 km deep · 30 km away
  20. 2.4113 km SE of Ugashik, Alaska · 2128 days ago · 11 km deep · 27 km away
  21. 1.983 km SSE of Ugashik, Alaska · 2126 days ago · 77 km deep · 39 km away
  22. 1.930 km SE of Ugashik, Alaska · 2126 days ago · 108 km deep · 95 km away
  23. 3.0153 km ESE of Chignik, Alaska · 2123 days ago · 15 km deep · 69 km away
  24. 2.973 km SSE of Ugashik, Alaska · 2118 days ago · 77 km deep · 48 km away
  25. 2.374 km E of Chignik, Alaska · 2115 days ago · 48 km deep · 48 km away
  26. 3.3119 km E of Chignik, Alaska · 2115 days ago · 46 km deep · 20 km away
  27. 1.872 km W of Akhiok, Alaska · 2113 days ago · 61 km deep · 80 km away

Before

  1. 2.2103 km E of Chignik, Alaska · 2173 days ago · 47 km deep · 39 km away
  2. 2.259 km ENE of Chignik, Alaska · 2176 days ago · 89 km deep · 66 km away
  3. 1.988 km SE of Ugashik, Alaska · 2177 days ago · 71 km deep · 49 km away
  4. 1.877 km WSW of Akhiok, Alaska · 2178 days ago · 24 km deep · 71 km away
  5. 2.3104 km SE of Ugashik, Alaska · 2180 days ago · 71 km deep · 32 km away
  6. 1.597 km WSW of Karluk, Alaska · 2184 days ago · 9 km deep · 78 km away
  7. 2.195 km WSW of Akhiok, Alaska · 2184 days ago · 60 km deep · 59 km away
  8. 2.4130 km SW of Akhiok, Alaska · 2185 days ago · 70 km deep · 54 km away
  9. 2.098 km WSW of Karluk, Alaska · 2186 days ago · 3 km deep · 77 km away
  10. 1.891 km SE of Ugashik, Alaska · 2186 days ago · 68 km deep · 36 km away
  11. 3.5Alaska Peninsula · 2187 days ago · 63 km deep · 87 km away
  12. 1.950 km SSW of Ugashik, Alaska · 2187 days ago · 108 km deep · 97 km away
  13. 2.0Alaska Peninsula · 2188 days ago · 2 km deep · 91 km away
  14. 2.169 km W of Akhiok, Alaska · 2190 days ago · 47 km deep · 86 km away
  15. 2.149 km E of Port Heiden, Alaska · 2192 days ago · 8 km deep · 97 km away
  16. 1.973 km SW of Karluk, Alaska · 2193 days ago · 56 km deep · 95 km away
  17. 1.866 km WSW of Akhiok, Alaska · 2194 days ago · 7 km deep · 82 km away
  18. 2.259 km SSE of Ugashik, Alaska · 2200 days ago · 88 km deep · 64 km away
  19. 2.1113 km E of Chignik, Alaska · 2202 days ago · 40 km deep · 27 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020dgnmkco. Read Wed, Sep 30, 2026, 1:47 AM UTC.