Alaska earthquakes

M2.9 earthquake 70 km NNE of Chignik, Alaska

A magnitude 2.9 earthquake struck 70 km NNE of Chignik, Alaska on Wed, May 3, 2023, 5:37 PM AKDT (01:37 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.6 37 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
2.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-05-04 01:37:56 UTC
Depth
5.9 km (3.7 mi), shallow
Epicenter
56.903° N, 158.110° 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
2.9ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
3.0ML, local (Richter)USGS National Earthquake Information CenterReviewed · ±0.069 · 28 stations
2.8ML, local (Richter)AVFinal · ±0.16535567595679 · 9 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
62

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 51 in the 60 days after this one and 54 in the 30 days before it.

After

  1. 1.971 km NNE of Chignik Lagoon, Alaska · 1246 days ago · 2 km deep · 12 km away
  2. 2.075 km SSE of Ugashik, Alaska · 1245 days ago · 98 km deep · 80 km away
  3. 2.342 km E of Chignik, Alaska · 1245 days ago · 60 km deep · 68 km away
  4. 1.771 km NNE of Chignik, Alaska · 1243 days ago · 8 km deep · 3 km away
  5. 2.240 km SE of Chignik, Alaska · 1243 days ago · 54 km deep · 99 km away
  6. 1.771 km NNE of Chignik, Alaska · 1243 days ago · 2 km deep · 2 km away
  7. 1.9Alaska Peninsula · 1241 days ago · 3 km deep · 3 km away
  8. 2.368 km NNE of Chignik Lagoon, Alaska · 1241 days ago · 8 km deep · 10 km away
  9. 1.970 km NNE of Chignik, Alaska · 1241 days ago · 5 km deep · 4 km away
  10. 1.871 km NNE of Chignik, Alaska · 1241 days ago · 5 km deep · 1 km away
  11. 1.662 km SE of Ugashik, Alaska · 1240 days ago · 6 km deep · 90 km away
  12. 1.613 km WNW of Chignik Lake, Alaska · 1239 days ago · 4 km deep · 86 km away
  13. 1.940 km S of Ugashik, Alaska · 1239 days ago · 12 km deep · 48 km away
  14. 1.837 km S of Ugashik, Alaska · 1239 days ago · 10 km deep · 48 km away
  15. 3.637 km ESE of Chignik, Alaska · 1237 days ago · 57 km deep · 85 km away · felt by 1
  16. 2.671 km NNE of Chignik, Alaska · 1237 days ago · 8 km deep · 1 km away
  17. 2.172 km NNE of Chignik, Alaska · 1237 days ago · 8 km deep · 3 km away
  18. 2.1Alaska Peninsula · 1237 days ago · 10 km deep · 8 km away
  19. 2.450 km N of Chignik Lagoon, Alaska · 1233 days ago · 102 km deep · 28 km away
  20. 2.072 km NNE of Chignik Lagoon, Alaska · 1232 days ago · 1 km deep · 12 km away
  21. 1.7Alaska Peninsula · 1232 days ago · 3 km deep · 4 km away
  22. 1.875 km SSW of Pilot Point, Alaska · 1232 days ago · 8 km deep · 8 km away
  23. 2.174 km SW of Pilot Point, Alaska · 1232 days ago · 5 km deep · 19 km away
  24. 2.210 km NNW of Chignik Lagoon, Alaska · 1229 days ago · 92 km deep · 64 km away
  25. 2.265 km N of Chignik, Alaska · 1228 days ago · 3 km deep · 7 km away
  26. 2.076 km N of Chignik Lagoon, Alaska · 1227 days ago · 3 km deep · 14 km away
  27. 3.271 km NNE of Chignik, Alaska · 1226 days ago · 8 km deep · 1 km away
  28. 2.076 km N of Chignik Lagoon, Alaska · 1226 days ago · 2 km deep · 16 km away
  29. 2.518 km WSW of Chignik Lake, Alaska · 1226 days ago · 90 km deep · 97 km away
  30. 1.950 km SE of Ugashik, Alaska · 1226 days ago · 92 km deep · 82 km away
  31. 1.653 km SW of Pilot Point, Alaska · 1224 days ago · 3 km deep · 29 km away
  32. 2.158 km SE of Ugashik, Alaska · 1222 days ago · 83 km deep · 83 km away
  33. 1.971 km N of Chignik Lagoon, Alaska · 1220 days ago · 3 km deep · 13 km away
  34. 2.332 km E of Chignik, Alaska · 1220 days ago · 80 km deep · 64 km away
  35. 1.954 km SSE of Ugashik, Alaska · 1219 days ago · 20 km deep · 62 km away
  36. 2.179 km ENE of Chignik, Alaska · 1218 days ago · 72 km deep · 66 km away
  37. 2.169 km NNE of Chignik Lagoon, Alaska · 1217 days ago · 2 km deep · 10 km away
  38. 1.9Alaska Peninsula · 1217 days ago · 2 km deep · 5 km away
  39. 2.850 km E of Chignik, Alaska · 1215 days ago · 86 km deep · 69 km away
  40. 1.864 km NNE of Chignik, Alaska · 1214 days ago · 8 km deep · 8 km away
  41. 2.061 km NE of Chignik, Alaska · 1206 days ago · 70 km deep · 46 km away
  42. 1.754 km S of Ugashik, Alaska · 1200 days ago · 103 km deep · 43 km away
  43. 1.7100 km SSE of Ugashik, Alaska · 1199 days ago · 69 km deep · 95 km away
  44. 2.040 km SE of Chignik, Alaska · 1197 days ago · 42 km deep · 98 km away
  45. 1.785 km S of Ugashik, Alaska · 1197 days ago · 77 km deep · 62 km away
  46. 2.396 km ENE of Chignik, Alaska · 1195 days ago · 84 km deep · 82 km away
  47. 2.196 km SSE of Ugashik, Alaska · 1192 days ago · 68 km deep · 82 km away
  48. 2.026 km S of Ugashik, Alaska · 1191 days ago · 107 km deep · 63 km away
  49. 1.977 km SSE of Ugashik, Alaska · 1189 days ago · 75 km deep · 72 km away
  50. 1.747 km SE of Ugashik, Alaska · 1189 days ago · 89 km deep · 84 km away
  51. 1.938 km SE of Chignik, Alaska · 1189 days ago · 41 km deep · 91 km away

Before

  1. 1.8Alaska Peninsula · 1247 days ago · 4 km deep · 13 km away
  2. 1.668 km NNE of Chignik, Alaska · 1247 days ago · -1 km deep · 2 km away
  3. 1.871 km NNE of Chignik, Alaska · 1247 days ago · 4 km deep · 3 km away
  4. 1.8Alaska Peninsula · 1248 days ago · -1 km deep · 6 km away
  5. 1.768 km NNE of Chignik, Alaska · 1248 days ago · -3 km deep · 3 km away
  6. 2.571 km NNE of Chignik, Alaska · 1248 days ago · 2 km deep · 3 km away
  7. 2.962 km NNE of Chignik, Alaska · 1249 days ago · 6 km deep · 12 km away · felt by 1
  8. 1.896 km ENE of Chignik, Alaska · 1251 days ago · 63 km deep · 87 km away
  9. 2.263 km NNE of Chignik, Alaska · 1251 days ago · 2 km deep · 8 km away
  10. 2.871 km NNE of Chignik, Alaska · 1251 days ago · 9 km deep · 1 km away
  11. 1.655 km SSW of Pilot Point, Alaska · 1253 days ago · 12 km deep · 25 km away
  12. 2.358 km SSW of Pilot Point, Alaska · 1253 days ago · 9 km deep · 22 km away
  13. 2.466 km N of Chignik, Alaska · 1253 days ago · 6 km deep · 6 km away
  14. 1.766 km NNE of Chignik, Alaska · 1253 days ago · 3 km deep · 6 km away
  15. 2.222 km ESE of Ugashik, Alaska · 1253 days ago · 106 km deep · 88 km away
  16. 1.768 km NNE of Chignik Lagoon, Alaska · 1254 days ago · 7 km deep · 9 km away
  17. 1.974 km SW of Pilot Point, Alaska · 1254 days ago · 1 km deep · 17 km away
  18. 2.270 km NNE of Chignik, Alaska · 1254 days ago · 9 km deep · 2 km away
  19. 2.175 km SW of Pilot Point, Alaska · 1255 days ago · 8 km deep · 15 km away
  20. 2.076 km N of Chignik Lagoon, Alaska · 1255 days ago · 4 km deep · 18 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0235p3gio9 (also filed as av91873141, us6000k9dk). Read Thu, Oct 1, 2026, 12:31 PM UTC.