Alaska earthquakes

M1.8 earthquake 67 km E of Chignik, Alaska

A magnitude 1.8 earthquake struck 67 km E of Chignik, Alaska on Mon, Mar 20, 2023, 12:18 AM AKDT (08:18 UTC), 13 km (8 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-03-20 08:18:13 UTC
Depth
13.3 km (8.3 mi), shallow
Epicenter
56.340° N, 157.310° 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
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 171 in the 60 days after this one and 87 in the 30 days before it.

After

  1. 2.034 km E of Port Heiden, Alaska · 1291 days ago · 1 km deep · 79 km away
  2. 2.032 km E of Port Heiden, Alaska · 1291 days ago · 1 km deep · 79 km away
  3. 2.274 km E of Chignik, Alaska · 1291 days ago · 3 km deep · 6 km away
  4. 2.374 km E of Chignik, Alaska · 1290 days ago · 0 km deep · 7 km away
  5. 2.831 km E of Port Heiden, Alaska · 1290 days ago · 0 km deep · 80 km away
  6. 2.130 km E of Port Heiden, Alaska · 1290 days ago · 1 km deep · 80 km away
  7. 1.731 km ESE of Port Heiden, Alaska · 1290 days ago · 2 km deep · 77 km away
  8. 1.829 km ESE of Port Heiden, Alaska · 1290 days ago · 1 km deep · 79 km away
  9. 1.938 km ESE of Port Heiden, Alaska · 1289 days ago · -3 km deep · 72 km away
  10. 1.938 km ESE of Port Heiden, Alaska · 1289 days ago · -3 km deep · 71 km away
  11. 2.338 km E of Port Heiden, Alaska · 1289 days ago · -1 km deep · 76 km away
  12. 2.0102 km SSE of Ugashik, Alaska · 1289 days ago · 2 km deep · 59 km away
  13. 1.8Alaska Peninsula · 1289 days ago · 4 km deep · 79 km away
  14. 2.2Alaska Peninsula · 1288 days ago · 0 km deep · 77 km away
  15. 2.337 km E of Port Heiden, Alaska · 1288 days ago · 0 km deep · 77 km away
  16. 2.128 km ESE of Port Heiden, Alaska · 1288 days ago · 1 km deep · 79 km away
  17. 1.935 km E of Port Heiden, Alaska · 1288 days ago · 3 km deep · 78 km away
  18. 2.3111 km SSE of Ugashik, Alaska · 1288 days ago · 46 km deep · 59 km away
  19. 2.233 km ESE of Port Heiden, Alaska · 1288 days ago · 7 km deep · 75 km away
  20. 2.097 km ENE of Chignik, Alaska · 1287 days ago · 76 km deep · 35 km away
  21. 2.350 km SE of Ugashik, Alaska · 1287 days ago · 10 km deep · 94 km away
  22. 2.0108 km SSE of Ugashik, Alaska · 1287 days ago · 63 km deep · 63 km away
  23. 1.869 km NNE of Chignik, Alaska · 1286 days ago · 1 km deep · 78 km away
  24. 1.832 km E of Port Heiden, Alaska · 1286 days ago · 0 km deep · 79 km away
  25. 1.535 km ESE of Port Heiden, Alaska · 1286 days ago · 1 km deep · 73 km away
  26. 2.633 km E of Port Heiden, Alaska · 1286 days ago · 2 km deep · 79 km away
  27. 1.730 km ESE of Port Heiden, Alaska · 1286 days ago · 0 km deep · 78 km away
  28. 1.771 km NNE of Chignik, Alaska · 1285 days ago · 1 km deep · 78 km away
  29. 1.653 km S of Ugashik, Alaska · 1285 days ago · 5 km deep · 79 km away
  30. 1.867 km NNE of Chignik, Alaska · 1285 days ago · 0 km deep · 77 km away
  31. 1.834 km E of Port Heiden, Alaska · 1285 days ago · 3 km deep · 78 km away
  32. 1.756 km E of Port Heiden, Alaska · 1285 days ago · 2 km deep · 73 km away
  33. 2.032 km E of Port Heiden, Alaska · 1284 days ago · 0 km deep · 80 km away
  34. 2.053 km ENE of Chignik, Alaska · 1284 days ago · 50 km deep · 19 km away
  35. 2.332 km E of Port Heiden, Alaska · 1284 days ago · 4 km deep · 81 km away
  36. 1.930 km E of Port Heiden, Alaska · 1284 days ago · 0 km deep · 80 km away
  37. 1.639 km E of Port Heiden, Alaska · 1284 days ago · 4 km deep · 74 km away
  38. 2.1134 km ESE of Chignik, Alaska · 1284 days ago · 43 km deep · 76 km away
  39. 3.441 km ESE of Chignik, Alaska · 1283 days ago · 47 km deep · 35 km away
  40. 1.534 km E of Port Heiden, Alaska · 1283 days ago · 1 km deep · 77 km away
  41. 1.733 km E of Port Heiden, Alaska · 1283 days ago · 1 km deep · 79 km away
  42. 2.6Alaska Peninsula · 1283 days ago · 57 km deep · 55 km away
  43. 1.634 km E of Port Heiden, Alaska · 1283 days ago · 3 km deep · 79 km away
  44. 1.734 km E of Port Heiden, Alaska · 1283 days ago · 2 km deep · 77 km away
  45. 1.730 km E of Port Heiden, Alaska · 1283 days ago · 0 km deep · 80 km away
  46. 1.5111 km W of Akhiok, Alaska · 1283 days ago · 13 km deep · 98 km away
  47. 2.330 km E of Port Heiden, Alaska · 1283 days ago · 0 km deep · 80 km away
  48. 1.531 km E of Port Heiden, Alaska · 1282 days ago · 2 km deep · 81 km away
  49. 1.695 km ENE of Chignik, Alaska · 1282 days ago · 46 km deep · 38 km away
  50. 1.735 km ESE of Port Heiden, Alaska · 1282 days ago · 2 km deep · 73 km away
  51. 2.136 km ESE of Port Heiden, Alaska · 1282 days ago · 1 km deep · 75 km away
  52. 1.932 km E of Port Heiden, Alaska · 1282 days ago · 3 km deep · 80 km away
  53. 1.868 km ENE of Chignik, Alaska · 1282 days ago · 1 km deep · 25 km away
  54. 2.080 km SSE of Ugashik, Alaska · 1281 days ago · 77 km deep · 61 km away
  55. 2.385 km SSE of Ugashik, Alaska · 1281 days ago · 2 km deep · 49 km away
  56. 2.133 km E of Port Heiden, Alaska · 1280 days ago · 3 km deep · 79 km away
  57. 2.028 km E of Port Heiden, Alaska · 1280 days ago · 1 km deep · 82 km away
  58. 2.0107 km W of Akhiok, Alaska · 1279 days ago · 12 km deep · 100 km away
  59. 2.636 km ESE of Port Heiden, Alaska · 1279 days ago · 7 km deep · 73 km away
  60. 1.9104 km E of Chignik, Alaska · 1278 days ago · 1 km deep · 39 km away

The first 60 of 171.

Before

  1. 1.936 km ESE of Port Heiden, Alaska · 1291 days ago · 2 km deep · 73 km away
  2. 1.831 km E of Port Heiden, Alaska · 1292 days ago · 1 km deep · 80 km away
  3. 2.376 km ESE of Perryville, Alaska · 1292 days ago · 14 km deep · 96 km away
  4. 1.9Alaska Peninsula · 1292 days ago · 2 km deep · 78 km away
  5. 3.031 km ESE of Port Heiden, Alaska · 1293 days ago · 7 km deep · 78 km away
  6. 2.030 km ESE of Port Heiden, Alaska · 1294 days ago · 0 km deep · 78 km away
  7. 2.134 km E of Port Heiden, Alaska · 1294 days ago · 0 km deep · 78 km away
  8. 2.1Alaska Peninsula · 1295 days ago · 5 km deep · 99 km away
  9. 2.232 km E of Port Heiden, Alaska · 1295 days ago · 1 km deep · 80 km away
  10. 2.634 km E of Port Heiden, Alaska · 1295 days ago · 5 km deep · 78 km away
  11. 1.934 km E of Port Heiden, Alaska · 1295 days ago · 4 km deep · 76 km away
  12. 2.232 km E of Port Heiden, Alaska · 1295 days ago · 3 km deep · 80 km away
  13. 2.0Alaska Peninsula · 1296 days ago · 3 km deep · 81 km away
  14. 2.033 km E of Port Heiden, Alaska · 1297 days ago · 2 km deep · 78 km away
  15. 2.134 km E of Port Heiden, Alaska · 1297 days ago · 1 km deep · 78 km away
  16. 2.083 km S of Ugashik, Alaska · 1297 days ago · 6 km deep · 49 km away
  17. 2.036 km E of Port Heiden, Alaska · 1298 days ago · 0 km deep · 77 km away
  18. 2.7114 km E of Chignik, Alaska · 1298 days ago · 20 km deep · 46 km away
  19. 1.634 km E of Port Heiden, Alaska · 1299 days ago · 4 km deep · 79 km away
  20. 1.795 km SSE of Ugashik, Alaska · 1300 days ago · 48 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0233msbrr7. Read Thu, Oct 1, 2026, 12:31 PM UTC.