Alaska earthquakes

M2.8 earthquake 121 km ESE of Chignik, Alaska

A magnitude 2.8 earthquake struck 121 km ESE of Chignik, Alaska on Wed, Nov 1, 2023, 8:33 PM AKDT (04:33 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M3.6 115 km E of Chignik, Alaska. This one was a foreshock.

Sand Point forecastMore in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-11-02 04:33:13 UTC
Depth
12.3 km (7.6 mi), shallow
Epicenter
55.992° N, 156.526° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.8ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
2.6ML, local (Richter)USGS National Earthquake Information CenterReviewed · ±0.115 · 10 stations

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
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 3.1157 km SE of Chignik, Alaska · 1066 days ago · 16 km deep · 99 km away
  2. 2.1Alaska Peninsula · 1064 days ago · 9 km deep · 38 km away
  3. 2.0131 km E of Chignik, Alaska · 1061 days ago · 7 km deep · 54 km away
  4. 3.3Alaska Peninsula · 1059 days ago · 18 km deep · 66 km away
  5. 2.387 km S of Ugashik, Alaska · 1058 days ago · 85 km deep · 93 km away
  6. 2.392 km E of Chignik, Alaska · 1058 days ago · 46 km deep · 54 km away
  7. 1.8100 km WSW of Akhiok, Alaska · 1055 days ago · 25 km deep · 85 km away
  8. 3.0113 km E of Chignik, Alaska · 1054 days ago · 13 km deep · 43 km away
  9. 2.6116 km E of Chignik, Alaska · 1048 days ago · 43 km deep · 58 km away
  10. 2.9141 km SW of Akhiok, Alaska · 1039 days ago · 1 km deep · 60 km away
  11. 2.4143 km ESE of Chignik, Alaska · 1039 days ago · 24 km deep · 23 km away
  12. 2.6155 km SW of Akhiok, Alaska · 1038 days ago · 18 km deep · 61 km away
  13. 2.8171 km SE of Chignik, Alaska · 1038 days ago · 28 km deep · 70 km away
  14. 2.4140 km ESE of Chignik, Alaska · 1037 days ago · 13 km deep · 21 km away
  15. 2.1103 km ESE of Chignik, Alaska · 1036 days ago · 10 km deep · 20 km away
  16. 2.166 km E of Chignik, Alaska · 1035 days ago · 25 km deep · 56 km away
  17. 2.456 km ESE of Chignik, Alaska · 1034 days ago · 41 km deep · 65 km away
  18. 2.7106 km ENE of Chignik, Alaska · 1033 days ago · 72 km deep · 61 km away
  19. 2.848 km SE of Chignik, Alaska · 1032 days ago · 41 km deep · 86 km away
  20. 2.7130 km SE of Chignik, Alaska · 1029 days ago · 25 km deep · 60 km away
  21. 2.4146 km SW of Akhiok, Alaska · 1028 days ago · 5 km deep · 49 km away
  22. 2.465 km SSE of Chignik, Alaska · 1026 days ago · 8 km deep · 86 km away
  23. 2.958 km ESE of Chignik, Alaska · 1025 days ago · 43 km deep · 63 km away
  24. 2.8117 km E of Chignik, Alaska · 1023 days ago · 45 km deep · 29 km away
  25. 3.6115 km E of Chignik, Alaska · 1022 days ago · 24 km deep · 31 km away
  26. 2.2113 km E of Chignik, Alaska · 1019 days ago · 46 km deep · 37 km away
  27. 3.2152 km SE of Chignik, Alaska · 1017 days ago · 16 km deep · 86 km away
  28. 2.493 km ENE of Chignik, Alaska · 1014 days ago · 46 km deep · 65 km away
  29. 2.4116 km SE of Chignik, Alaska · 1010 days ago · 2 km deep · 51 km away
  30. 3.4157 km ESE of Chignik, Alaska · 1008 days ago · 7 km deep · 36 km away
  31. 2.7104 km SE of Ugashik, Alaska · 1007 days ago · 54 km deep · 88 km away
  32. 2.4118 km E of Chignik, Alaska · 1007 days ago · 45 km deep · 22 km away

Before

  1. 1.9107 km E of Chignik, Alaska · 1068 days ago · 14 km deep · 48 km away
  2. 2.6118 km SE of Chignik, Alaska · 1070 days ago · 19 km deep · 77 km away
  3. 2.9107 km E of Chignik, Alaska · 1070 days ago · 45 km deep · 34 km away
  4. 2.5Alaska Peninsula · 1072 days ago · 48 km deep · 95 km away
  5. 1.756 km ESE of Chignik, Alaska · 1075 days ago · 24 km deep · 67 km away
  6. 2.146 km SE of Chignik, Alaska · 1076 days ago · 66 km deep · 81 km away
  7. 2.067 km E of Chignik, Alaska · 1083 days ago · 17 km deep · 58 km away
  8. 2.4121 km SSE of Ugashik, Alaska · 1084 days ago · 57 km deep · 69 km away
  9. 2.2101 km E of Chignik, Alaska · 1085 days ago · 6 km deep · 27 km away
  10. 2.325 km ESE of Chignik, Alaska · 1086 days ago · 64 km deep · 97 km away
  11. 2.1101 km ENE of Chignik, Alaska · 1090 days ago · 85 km deep · 71 km away
  12. 2.376 km E of Chignik, Alaska · 1092 days ago · 50 km deep · 46 km away
  13. 2.4Alaska Peninsula · 1093 days ago · 19 km deep · 56 km away
  14. 1.954 km ESE of Chignik, Alaska · 1094 days ago · 14 km deep · 71 km away
  15. 2.0Alaska Peninsula · 1095 days ago · 12 km deep · 92 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak023e25120f (also filed as us7000l8an). Read Fri, Oct 2, 2026, 11:13 PM UTC.