Alaska earthquakes

M1.8 earthquake Alaska Peninsula

A magnitude 1.8 earthquake struck in the Alaska Peninsula on Tue, Sep 20, 2022, 11:58 PM AKDT (07:58 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M4.6 89 km W of Karluk, 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
2022-09-21 07:58:43 UTC
Depth
0.1 km (0.1 mi), shallow
Epicenter
58.172° N, 155.389° 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
1.8ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
1.71ML, local (Richter)AVFinal · ±0.260553782746511 · 25 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
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 131 in the 60 days after this one and 46 in the 30 days before it.

After

  1. 1.563 km WSW of Karluk, Alaska · 1473 days ago · 78 km deep · 87 km away
  2. 1.691 km ESE of King Salmon, Alaska · 1472 days ago · 134 km deep · 34 km away
  3. 2.267 km SE of King Salmon, Alaska · 1471 days ago · 150 km deep · 29 km away
  4. 2.348 km NW of Karluk, Alaska · 1471 days ago · 87 km deep · 38 km away
  5. 2.415 km NE of Karluk, Alaska · 1471 days ago · 60 km deep · 88 km away
  6. 2.385 km NNW of Karluk, Alaska · 1470 days ago · 3 km deep · 27 km away
  7. 2.085 km NNW of Karluk, Alaska · 1470 days ago · 3 km deep · 27 km away
  8. 1.6Alaska Peninsula · 1470 days ago · 10 km deep · 41 km away
  9. 1.640 km WNW of Karluk, Alaska · 1469 days ago · 64 km deep · 52 km away
  10. 2.340 km NNE of Larsen Bay, Alaska · 1469 days ago · 44 km deep · 98 km away
  11. 1.957 km ESE of King Salmon, Alaska · 1468 days ago · 157 km deep · 39 km away
  12. 1.645 km W of Karluk, Alaska · 1467 days ago · 64 km deep · 63 km away
  13. 2.367 km WSW of Karluk, Alaska · 1466 days ago · 89 km deep · 86 km away
  14. 3.392 km NW of Aleneva, Alaska · 1465 days ago · 85 km deep · 92 km away
  15. 1.849 km SE of Egegik, Alaska · 1465 days ago · 2 km deep · 90 km away
  16. 1.594 km WNW of Aleneva, Alaska · 1464 days ago · 2 km deep · 69 km away
  17. 2.172 km ENE of Ugashik, Alaska · 1464 days ago · 114 km deep · 71 km away
  18. 2.346 km W of Karluk, Alaska · 1464 days ago · 65 km deep · 75 km away
  19. 2.185 km WSW of Karluk, Alaska · 1464 days ago · 71 km deep · 90 km away
  20. 1.630 km NNW of Karluk, Alaska · 1464 days ago · 60 km deep · 58 km away
  21. 1.778 km ESE of Egegik, Alaska · 1463 days ago · 134 km deep · 57 km away
  22. 2.035 km SE of King Salmon, Alaska · 1462 days ago · 165 km deep · 58 km away
  23. 1.585 km ESE of King Salmon, Alaska · 1461 days ago · 123 km deep · 18 km away
  24. 1.837 km N of Karluk, Alaska · 1461 days ago · 56 km deep · 67 km away
  25. 1.694 km NW of Aleneva, Alaska · 1461 days ago · 4 km deep · 80 km away
  26. 1.653 km WNW of Karluk, Alaska · 1461 days ago · 4 km deep · 51 km away
  27. 2.065 km W of Karluk, Alaska · 1460 days ago · 89 km deep · 77 km away
  28. 2.3Alaska Peninsula · 1460 days ago · 4 km deep · 1 km away
  29. 1.687 km NW of Karluk, Alaska · 1460 days ago · 7 km deep · 2 km away
  30. 1.859 km NNE of Karluk, Alaska · 1459 days ago · 69 km deep · 71 km away
  31. 1.513 km NW of Karluk, Alaska · 1459 days ago · 52 km deep · 73 km away
  32. 1.764 km N of Karluk, Alaska · 1458 days ago · 74 km deep · 67 km away
  33. 1.683 km WNW of Aleneva, Alaska · 1457 days ago · 4 km deep · 75 km away
  34. 2.085 km W of Karluk, Alaska · 1457 days ago · 77 km deep · 67 km away
  35. 1.850 km SE of King Salmon, Alaska · 1457 days ago · 165 km deep · 43 km away
  36. 1.938 km S of King Salmon, Alaska · 1457 days ago · 176 km deep · 72 km away
  37. 3.072 km WSW of Karluk, Alaska · 1456 days ago · 59 km deep · 95 km away
  38. 1.511 km W of Karluk, Alaska · 1456 days ago · 10 km deep · 79 km away
  39. 1.754 km N of Karluk, Alaska · 1456 days ago · 69 km deep · 66 km away
  40. 4.689 km W of Karluk, Alaska · 1456 days ago · 9 km deep · 59 km away · felt by 1
  41. 2.032 km SW of Karluk, Alaska · 1455 days ago · 43 km deep · 92 km away
  42. 1.947 km SE of Egegik, Alaska · 1455 days ago · 10 km deep · 89 km away
  43. 1.583 km NW of Karluk, Alaska · 1454 days ago · 4 km deep · 6 km away
  44. 1.583 km NW of Karluk, Alaska · 1454 days ago · 2 km deep · 6 km away
  45. 2.077 km ESE of Egegik, Alaska · 1453 days ago · 133 km deep · 52 km away
  46. 1.882 km WNW of Karluk, Alaska · 1453 days ago · 103 km deep · 54 km away
  47. 1.646 km N of Karluk, Alaska · 1452 days ago · 65 km deep · 55 km away
  48. 1.683 km ESE of King Salmon, Alaska · 1452 days ago · 116 km deep · 24 km away
  49. 2.2Alaska Peninsula · 1452 days ago · 140 km deep · 31 km away
  50. 1.639 km W of Karluk, Alaska · 1451 days ago · 64 km deep · 64 km away
  51. 2.087 km W of Karluk, Alaska · 1449 days ago · 8 km deep · 61 km away
  52. 2.181 km ESE of Egegik, Alaska · 1449 days ago · 133 km deep · 55 km away
  53. 2.857 km SE of King Salmon, Alaska · 1448 days ago · 156 km deep · 36 km away
  54. 2.068 km SE of King Salmon, Alaska · 1448 days ago · 146 km deep · 32 km away
  55. 1.747 km NW of Karluk, Alaska · 1447 days ago · 67 km deep · 43 km away
  56. 1.990 km S of Kokhanok, Alaska · 1447 days ago · 124 km deep · 59 km away
  57. 1.827 km WSW of Karluk, Alaska · 1447 days ago · 60 km deep · 82 km away
  58. 1.595 km SSE of Kokhanok, Alaska · 1446 days ago · 87 km deep · 91 km away
  59. 3.563 km SE of King Salmon, Alaska · 1446 days ago · 153 km deep · 31 km away
  60. 1.8Alaska Peninsula · 1445 days ago · 72 km deep · 63 km away

The first 60 of 131.

Before

  1. 1.881 km SE of King Salmon, Alaska · 1474 days ago · 1 km deep · 13 km away
  2. 1.545 km ENE of Ugashik, Alaska · 1474 days ago · 104 km deep · 95 km away
  3. 2.079 km ESE of Egegik, Alaska · 1475 days ago · 135 km deep · 49 km away
  4. 2.422 km WSW of Karluk, Alaska · 1475 days ago · 46 km deep · 87 km away
  5. 1.962 km NNW of Karluk, Alaska · 1475 days ago · 93 km deep · 33 km away
  6. 1.537 km NW of Karluk, Alaska · 1478 days ago · 76 km deep · 50 km away
  7. 2.3Alaska Peninsula · 1478 days ago · 6 km deep · 45 km away
  8. 1.873 km ENE of Ugashik, Alaska · 1480 days ago · 122 km deep · 67 km away
  9. 1.691 km WNW of Aleneva, Alaska · 1481 days ago · 94 km deep · 73 km away
  10. 1.874 km SSE of Kokhanok, Alaska · 1482 days ago · 122 km deep · 91 km away
  11. 1.5Kodiak Island region, Alaska · 1482 days ago · 44 km deep · 91 km away
  12. 2.463 km ENE of Ugashik, Alaska · 1482 days ago · 6 km deep · 83 km away
  13. 2.761 km E of Ugashik, Alaska · 1482 days ago · 5 km deep · 85 km away
  14. 2.145 km SE of Egegik, Alaska · 1483 days ago · 10 km deep · 91 km away
  15. 2.074 km ENE of Ugashik, Alaska · 1483 days ago · 6 km deep · 73 km away
  16. 2.063 km SE of King Salmon, Alaska · 1483 days ago · 152 km deep · 32 km away
  17. 2.247 km SE of Egegik, Alaska · 1483 days ago · 9 km deep · 88 km away
  18. 1.547 km SE of Egegik, Alaska · 1483 days ago · 8 km deep · 90 km away
  19. 3.185 km NNW of Karluk, Alaska · 1485 days ago · 100 km deep · 22 km away
  20. 2.375 km ENE of Ugashik, Alaska · 1485 days ago · 141 km deep · 65 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak022c4qe6b3 (also filed as av91683016). Read Sat, Oct 3, 2026, 4:38 PM UTC.