M1.8 earthquake 5 km WNW of Karluk, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Mon, Apr 20, 2026, 2:50 PM AKDT

UTC

2026-04-20 22:50:43 UTC

Depth

61.5 km (38.2 mi), shallow

Epicenter

57.597° N, 154.535° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 9.3 km horizontally, 8.0 km in depth

Magnitude uncertainty

±0.10

Station coverage gap

194°, poorly surrounded by stations

Stations used

22

• Womens Bay, AlaskaPopulation 719. Forecast111 kmW
• Anchorage, AlaskaPopulation 289,600. Forecast480 kmSW

After

1. 1.968 km NW of Karluk, AlaskaTue, Apr 21, 9:40 AM AKDT · 167 days ago · 89 km deep · 64 km away
2. 1.811 km S of Karluk, AlaskaTue, Apr 21, 5:13 PM AKDT · 167 days ago · 28 km deep · 14 km away
3. 1.868 km W of Karluk, AlaskaWed, Apr 22, 12:12 AM AKDT · 166 days ago · 93 km deep · 65 km away
4. 2.089 km ESE of Ugashik, AlaskaWed, Apr 22, 8:55 PM AKDT · 165 days ago · 75 km deep · 96 km away
5. 4.28 km NNE of Old Harbor, AlaskaWed, Apr 22, 11:12 PM AKDT · 165 days ago · 39 km deep · 84 km away · felt by 38
6. 2.474 km E of Ugashik, AlaskaThu, Apr 23, 5:35 AM AKDT · 165 days ago · 2 km deep · 97 km away
7. 1.839 km SW of Karluk, AlaskaThu, Apr 23, 8:50 AM AKDT · 165 days ago · 60 km deep · 38 km away
8. 1.769 km WNW of Karluk, AlaskaThu, Apr 23, 3:09 PM AKDT · 165 days ago · 9 km deep · 64 km away
9. 2.129 km NNW of Old Harbor, AlaskaThu, Apr 23, 4:53 PM AKDT · 165 days ago · 18 km deep · 64 km away
10. 1.985 km W of Karluk, AlaskaThu, Apr 23, 7:08 PM AKDT · 164 days ago · 8 km deep · 81 km away
11. 2.028 km NNW of Old Harbor, AlaskaFri, Apr 24, 10:13 AM AKDT · 164 days ago · 16 km deep · 66 km away
12. 2.276 km E of Ugashik, AlaskaFri, Apr 24, 2:22 PM AKDT · 164 days ago · 84 km deep · 95 km away
13. 2.230 km NNW of Old Harbor, AlaskaSat, Apr 25, 4:31 PM AKDT · 163 days ago · 16 km deep · 67 km away
14. 1.773 km E of Ugashik, AlaskaSat, Apr 25, 5:01 PM AKDT · 163 days ago · 12 km deep · 98 km away
15. 3.462 km W of Karluk, AlaskaSat, Apr 25, 6:54 PM AKDT · 162 days ago · 81 km deep · 57 km away
16. 1.838 km SSW of Karluk, AlaskaSun, Apr 26, 3:43 AM AKDT · 162 days ago · 24 km deep · 39 km away
17. 2.363 km WSW of Karluk, AlaskaSun, Apr 26, 12:56 PM AKDT · 162 days ago · 4 km deep · 59 km away
18. 2.039 km WNW of Karluk, AlaskaSun, Apr 26, 5:15 PM AKDT · 162 days ago · 80 km deep · 34 km away
19. 1.786 km W of Karluk, AlaskaSun, Apr 26, 7:29 PM AKDT · 161 days ago · 11 km deep · 81 km away
20. 1.786 km W of Karluk, AlaskaSun, Apr 26, 10:08 PM AKDT · 161 days ago · 9 km deep · 81 km away
21. 1.582 km N of Karluk, AlaskaSun, Apr 26, 10:22 PM AKDT · 161 days ago · 90 km deep · 80 km away
22. 1.689 km WNW of Karluk, AlaskaSun, Apr 26, 11:14 PM AKDT · 161 days ago · 19 km deep · 84 km away
23. 2.021 km ESE of Larsen Bay, AlaskaMon, Apr 27, 6:14 AM AKDT · 161 days ago · 40 km deep · 55 km away
24. 1.923 km W of Aleneva, AlaskaMon, Apr 27, 11:14 PM AKDT · 160 days ago · 62 km deep · 88 km away
25. 2.884 km W of Akhiok, AlaskaTue, Apr 28, 6:22 AM AKDT · 160 days ago · 64 km deep · 94 km away
26. 1.736 km NNE of Larsen Bay, AlaskaTue, Apr 28, 9:01 AM AKDT · 160 days ago · 57 km deep · 51 km away
27. 1.688 km W of Karluk, AlaskaTue, Apr 28, 7:43 PM AKDT · 159 days ago · 17 km deep · 83 km away
28. 2.424 km WSW of Karluk, AlaskaWed, Apr 29, 5:53 AM AKDT · 159 days ago · 18 km deep · 22 km away
29. 2.369 km WNW of Karluk, AlaskaThu, Apr 30, 3:51 PM AKDT · 158 days ago · 9 km deep · 64 km away
30. 2.463 km WNW of Akhiok, AlaskaThu, Apr 30, 4:42 PM AKDT · 158 days ago · 77 km deep · 65 km away
31. 2.385 km NW of Karluk, AlaskaSat, May 2, 1:16 AM AKDT · 156 days ago · 2 km deep · 80 km away
32. 1.544 km NNW of Karluk, AlaskaSat, May 2, 8:45 PM AKDT · 155 days ago · 78 km deep · 40 km away
33. 1.845 km W of Karluk, AlaskaSun, May 3, 9:25 PM AKDT · 154 days ago · 68 km deep · 41 km away
34. 1.582 km NNW of Karluk, AlaskaSun, May 3, 10:52 PM AKDT · 154 days ago · 5 km deep · 77 km away
35. 1.541 km WNW of Karluk, AlaskaMon, May 4, 2:29 AM AKDT · 154 days ago · 70 km deep · 36 km away
36. 1.884 km NNW of Karluk, AlaskaMon, May 4, 3:02 AM AKDT · 154 days ago · 5 km deep · 79 km away
37. 1.587 km NNW of Karluk, AlaskaMon, May 4, 3:03 AM AKDT · 154 days ago · 5 km deep · 83 km away
38. 2.121 km SSW of Larsen Bay, AlaskaMon, May 4, 3:49 AM AKDT · 154 days ago · 28 km deep · 39 km away
39. 1.854 km W of Aleneva, AlaskaMon, May 4, 4:35 AM AKDT · 154 days ago · 12 km deep · 68 km away
40. 2.129 km S of Larsen Bay, AlaskaMon, May 4, 6:08 AM AKDT · 154 days ago · 52 km deep · 52 km away
41. 2.1103 km N of Karluk, AlaskaTue, May 5, 10:51 AM AKDT · 153 days ago · 2 km deep · 100 km away
42. 1.671 km WNW of Aleneva, AlaskaTue, May 5, 11:47 AM AKDT · 153 days ago · 89 km deep · 85 km away
43. 2.221 km ESE of Akhiok, AlaskaTue, May 5, 5:26 PM AKDT · 153 days ago · 36 km deep · 92 km away
44. 2.166 km WNW of Karluk, AlaskaWed, May 6, 3:01 PM AKDT · 152 days ago · 88 km deep · 60 km away
45. 1.618 km NNE of Karluk, AlaskaWed, May 6, 9:10 PM AKDT · 151 days ago · 73 km deep · 17 km away
46. 1.753 km WNW of Karluk, AlaskaWed, May 6, 10:49 PM AKDT · 151 days ago · 70 km deep · 48 km away
47. 1.565 km SW of Karluk, AlaskaThu, May 7, 6:21 AM AKDT · 151 days ago · 21 km deep · 64 km away
48. 1.947 km NNW of Karluk, AlaskaThu, May 7, 2:04 PM AKDT · 151 days ago · 88 km deep · 42 km away
49. 1.953 km W of Akhiok, AlaskaFri, May 8, 12:44 AM AKDT · 150 days ago · 3 km deep · 76 km away
50. 1.542 km WNW of Karluk, AlaskaFri, May 8, 9:50 AM AKDT · 150 days ago · 83 km deep · 37 km away
51. 1.859 km WSW of Karluk, AlaskaFri, May 8, 2:44 PM AKDT · 150 days ago · 71 km deep · 57 km away
52. 2.390 km N of Karluk, AlaskaFri, May 8, 8:08 PM AKDT · 149 days ago · 8 km deep · 87 km away
53. 1.831 km WSW of Womens Bay, AlaskaSat, May 9, 3:43 AM AKDT · 149 days ago · 6 km deep · 82 km away
54. 2.330 km WNW of Karluk, AlaskaSat, May 9, 4:13 AM AKDT · 149 days ago · 81 km deep · 24 km away
55. 2.745 km NNE of Karluk, AlaskaSat, May 9, 10:32 AM AKDT · 149 days ago · 60 km deep · 44 km away
56. 1.664 km N of Karluk, AlaskaSat, May 9, 1:49 PM AKDT · 149 days ago · 70 km deep · 62 km away
57. 1.763 km WNW of Aleneva, AlaskaSat, May 9, 8:10 PM AKDT · 148 days ago · 10 km deep · 86 km away
58. 2.213 km W of Aleneva, AlaskaSun, May 10, 3:36 AM AKDT · 148 days ago · 65 km deep · 98 km away
59. 2.435 km WNW of Karluk, AlaskaSun, May 10, 8:05 AM AKDT · 148 days ago · 84 km deep · 29 km away
60. 2.161 km W of Karluk, AlaskaSun, May 10, 1:34 PM AKDT · 148 days ago · 73 km deep · 57 km away

The first 60 of 172.

Before

1. 1.952 km WNW of Akhiok, AlaskaMon, Apr 20, 1:18 PM AKDT · 168 days ago · 75 km deep · 56 km away
2. 3.087 km WSW of Karluk, AlaskaMon, Apr 20, 9:21 AM AKDT · 168 days ago · 71 km deep · 84 km away
3. 2.826 km NNE of Karluk, AlaskaMon, Apr 20, 8:08 AM AKDT · 168 days ago · 64 km deep · 25 km away
4. 2.935 km SSW of Karluk, AlaskaSat, Apr 18, 4:05 PM AKDT · 170 days ago · 55 km deep · 36 km away
5. 2.482 km ESE of Egegik, AlaskaSat, Apr 18, 3:04 AM AKDT · 170 days ago · 141 km deep · 99 km away
6. 2.162 km W of Akhiok, AlaskaSat, Apr 18, 2:28 AM AKDT · 170 days ago · 6 km deep · 74 km away
7. 1.687 km WNW of Aleneva, AlaskaFri, Apr 17, 6:44 PM AKDT · 170 days ago · 93 km deep · 90 km away
8. 1.856 km WNW of Akhiok, AlaskaFri, Apr 17, 6:32 PM AKDT · 170 days ago · 15 km deep · 59 km away
9. 1.965 km W of Akhiok, AlaskaFri, Apr 17, 1:23 PM AKDT · 171 days ago · 8 km deep · 83 km away
10. 1.848 km WSW of Aleneva, AlaskaThu, Apr 16, 4:37 PM AKDT · 172 days ago · 57 km deep · 64 km away
11. 1.726 km S of Karluk, AlaskaThu, Apr 16, 1:18 PM AKDT · 172 days ago · 17 km deep · 31 km away
12. 1.562 km WNW of Akhiok, AlaskaWed, Apr 15, 7:00 PM AKDT · 172 days ago · 40 km deep · 63 km away
13. 2.071 km WSW of Karluk, AlaskaWed, Apr 15, 3:31 PM AKDT · 173 days ago · 74 km deep · 69 km away
14. 1.947 km WSW of Akhiok, AlaskaWed, Apr 15, 2:05 PM AKDT · 173 days ago · 4 km deep · 100 km away
15. 1.657 km NNW of Karluk, AlaskaWed, Apr 15, 6:21 AM AKDT · 173 days ago · 77 km deep · 52 km away
16. 2.747 km WSW of Karluk, AlaskaWed, Apr 15, 2:29 AM AKDT · 173 days ago · 60 km deep · 45 km away
17. 1.678 km W of Karluk, AlaskaTue, Apr 14, 9:20 AM AKDT · 174 days ago · 13 km deep · 73 km away
18. 2.118 km WNW of Port Lions, AlaskaMon, Apr 13, 4:53 PM AKDT · 175 days ago · 20 km deep · 91 km away
19. 2.086 km WSW of Karluk, AlaskaMon, Apr 13, 4:12 PM AKDT · 175 days ago · 76 km deep · 82 km away
20. 2.321 km W of Port Lions, AlaskaMon, Apr 13, 3:04 PM AKDT · 175 days ago · 60 km deep · 84 km away

From the USGS Earthquake Hazards Program and its partner networks, event aka2026htvpdc. Read Mon, Oct 5, 2026, 1:38 PM UTC.