M1.8 earthquake 130 km WSW of Adak, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Mon, Mar 16, 2026, 4:20 PM HADT

UTC

2026-03-17 01:20:12 UTC

Depth

10.7 km (6.6 mi), shallow

Epicenter

51.497° N, 178.416° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 8.6 km horizontally, 2.8 km in depth

Magnitude uncertainty

±0.10

Station coverage gap

193°, poorly surrounded by stations

Stations used

19

After

1. 2.0135 km WSW of Adak, AlaskaMon, Mar 16, 5:35 PM HADT · 199 days ago · 37 km deep · 27 km away
2. 2.097 km SW of Adak, AlaskaMon, Mar 16, 5:50 PM HADT · 199 days ago · 20 km deep · 56 km away
3. 1.7108 km WSW of Adak, AlaskaTue, Mar 17, 6:54 AM HADT · 198 days ago · 17 km deep · 31 km away
4. 1.887 km W of Adak, AlaskaTue, Mar 17, 8:34 AM HADT · 198 days ago · 12 km deep · 52 km away
5. 2.4136 km WSW of Adak, AlaskaTue, Mar 17, 6:22 PM HADT · 198 days ago · 35 km deep · 29 km away
6. 2.2126 km WSW of Adak, AlaskaWed, Mar 18, 8:13 AM HADT · 197 days ago · 35 km deep · 25 km away
7. 2.4212 km W of Adak, AlaskaWed, Mar 18, 12:02 PM HADT · 197 days ago · 136 km deep · 95 km away
8. 2.4164 km WSW of Adak, AlaskaWed, Mar 18, 4:08 PM HADT · 197 days ago · 28 km deep · 43 km away
9. 2.4159 km SW of Adak, AlaskaWed, Mar 18, 5:30 PM HADT · 197 days ago · 8 km deep · 59 km away
10. 2.4155 km SW of Adak, AlaskaThu, Mar 19, 12:56 AM HADT · 197 days ago · 10 km deep · 45 km away
11. 2.3160 km WSW of Adak, AlaskaThu, Mar 19, 4:26 AM HADT · 197 days ago · 11 km deep · 31 km away
12. 1.9129 km WSW of Adak, AlaskaThu, Mar 19, 5:47 AM HADT · 196 days ago · 22 km deep · 28 km away
13. 2.2203 km W of Adak, AlaskaThu, Mar 19, 6:20 AM HADT · 196 days ago · 80 km deep · 79 km away
14. 2.5117 km SW of Adak, AlaskaThu, Mar 19, 8:32 AM HADT · 196 days ago · 35 km deep · 50 km away
15. 1.885 km SW of Adak, AlaskaThu, Mar 19, 10:07 AM HADT · 196 days ago · 27 km deep · 63 km away
16. 2.9120 km WSW of Adak, AlaskaThu, Mar 19, 11:54 AM HADT · 196 days ago · 26 km deep · 15 km away
17. 2.476 km SW of Adak, AlaskaThu, Mar 19, 6:21 PM HADT · 196 days ago · 58 km deep · 66 km away
18. 2.1132 km WSW of Adak, AlaskaFri, Mar 20, 12:02 AM HADT · 196 days ago · 4 km deep · 14 km away
19. 2.4117 km WSW of Adak, AlaskaFri, Mar 20, 7:59 AM HADT · 195 days ago · 21 km deep · 34 km away
20. 2.581 km SSW of Adak, AlaskaFri, Mar 20, 2:16 PM HADT · 195 days ago · 35 km deep · 85 km away
21. 2.386 km SW of Adak, AlaskaSat, Mar 21, 10:06 AM HADT · 194 days ago · 29 km deep · 59 km away
22. 3.299 km SW of Adak, AlaskaSun, Mar 22, 1:58 AM HADT · 194 days ago · 35 km deep · 54 km away
23. 2.067 km W of Adak, AlaskaTue, Mar 24, 4:26 AM HADT · 192 days ago · 86 km deep · 64 km away
24. 2.058 km WSW of Adak, AlaskaTue, Mar 24, 8:36 AM HADT · 191 days ago · 86 km deep · 72 km away
25. 3.1132 km WSW of Adak, AlaskaTue, Mar 24, 2:42 PM HADT · 191 days ago · 31 km deep · 31 km away
26. 2.480 km SSW of Adak, AlaskaTue, Mar 24, 5:02 PM HADT · 191 days ago · 35 km deep · 91 km away
27. 2.6217 km WSW of Adak, AlaskaWed, Mar 25, 4:53 AM HADT · 191 days ago · 66 km deep · 91 km away
28. 2.5173 km WSW of Adak, AlaskaWed, Mar 25, 5:49 AM HADT · 190 days ago · 5 km deep · 43 km away
29. 2.3109 km WSW of Adak, AlaskaWed, Mar 25, 6:03 AM HADT · 190 days ago · 8 km deep · 36 km away
30. 2.2106 km SW of Adak, AlaskaWed, Mar 25, 9:33 AM HADT · 190 days ago · 20 km deep · 42 km away
31. 2.383 km SW of Adak, AlaskaWed, Mar 25, 6:53 PM HADT · 190 days ago · 27 km deep · 73 km away
32. 2.4131 km SW of Adak, AlaskaWed, Mar 25, 8:38 PM HADT · 190 days ago · 15 km deep · 36 km away
33. 2.973 km SW of Adak, AlaskaThu, Mar 26, 5:28 AM HADT · 189 days ago · 35 km deep · 82 km away
34. 2.590 km SW of Adak, AlaskaThu, Mar 26, 7:32 AM HADT · 189 days ago · 2 km deep · 71 km away
35. 2.2121 km WSW of Adak, AlaskaThu, Mar 26, 3:21 PM HADT · 189 days ago · 34 km deep · 19 km away
36. 3.0130 km SSW of Adak, AlaskaFri, Mar 27, 3:40 AM HADT · 189 days ago · 10 km deep · 92 km away
37. 2.295 km SW of Adak, AlaskaSat, Mar 28, 8:59 AM HADT · 187 days ago · 26 km deep · 50 km away
38. 2.293 km SW of Adak, AlaskaSat, Mar 28, 5:55 PM HADT · 187 days ago · 23 km deep · 51 km away
39. 3.2202 km W of Adak, AlaskaSat, Mar 28, 7:31 PM HADT · 187 days ago · 82 km deep · 77 km away
40. 2.183 km SW of Adak, AlaskaSun, Mar 29, 3:12 AM HADT · 187 days ago · 26 km deep · 59 km away
41. 2.3193 km WSW of Adak, AlaskaSun, Mar 29, 6:33 AM HADT · 186 days ago · 28 km deep · 64 km away
42. 2.8111 km WSW of Adak, AlaskaSun, Mar 29, 4:01 PM HADT · 186 days ago · 70 km deep · 19 km away
43. 3.0219 km WSW of Adak, AlaskaSun, Mar 29, 7:28 PM HADT · 186 days ago · 6 km deep · 95 km away
44. 2.6219 km WSW of Adak, AlaskaSun, Mar 29, 7:34 PM HADT · 186 days ago · 8 km deep · 97 km away
45. 2.973 km SSW of Adak, AlaskaMon, Mar 30, 9:11 AM HADT · 185 days ago · 35 km deep · 97 km away
46. 2.3125 km WSW of Adak, AlaskaMon, Mar 30, 11:17 AM HADT · 185 days ago · 17 km deep · 25 km away
47. 2.974 km SW of Adak, AlaskaTue, Mar 31, 10:39 PM HADT · 184 days ago · 35 km deep · 84 km away
48. 2.5149 km SW of Adak, AlaskaWed, Apr 1, 3:28 PM HADT · 183 days ago · 23 km deep · 41 km away
49. 2.5122 km SW of Adak, AlaskaWed, Apr 1, 7:12 PM HADT · 183 days ago · 27 km deep · 57 km away
50. 3.0124 km WSW of Adak, AlaskaWed, Apr 1, 9:34 PM HADT · 183 days ago · 31 km deep · 20 km away
51. 3.2195 km WSW of Adak, AlaskaThu, Apr 2, 2:39 AM HADT · 183 days ago · 18 km deep · 66 km away
52. 2.479 km SSW of Adak, AlaskaThu, Apr 2, 5:54 AM HADT · 182 days ago · 28 km deep · 98 km away
53. 2.4131 km SW of Adak, AlaskaThu, Apr 2, 10:00 AM HADT · 182 days ago · 11 km deep · 49 km away
54. 2.289 km W of Adak, AlaskaFri, Apr 3, 6:43 PM HADT · 181 days ago · 13 km deep · 53 km away
55. 2.5121 km WSW of Adak, AlaskaFri, Apr 3, 7:29 PM HADT · 181 days ago · 10 km deep · 25 km away
56. 2.190 km W of Adak, AlaskaFri, Apr 3, 9:08 PM HADT · 181 days ago · 13 km deep · 53 km away
57. 2.043 km SW of Adak, AlaskaSat, Apr 4, 2:55 AM HADT · 181 days ago · 20 km deep · 92 km away
58. 4.6181 km WSW of Adak, AlaskaSun, Apr 5, 12:19 AM HADT · 180 days ago · 35 km deep · 55 km away
59. 2.065 km WSW of Adak, AlaskaSun, Apr 5, 4:36 AM HADT · 180 days ago · 94 km deep · 65 km away
60. 2.360 km SSW of Adak, AlaskaSun, Apr 5, 6:51 AM HADT · 179 days ago · 33 km deep · 96 km away

The first 60 of 155.

Before

1. 1.8128 km WSW of Adak, AlaskaMon, Mar 16, 4:00 AM HADT · 200 days ago · 17 km deep · 12 km away
2. 2.5148 km W of Adak, AlaskaMon, Mar 16, 1:15 AM HADT · 200 days ago · 19 km deep · 33 km away
3. 2.2151 km WSW of Adak, AlaskaSun, Mar 15, 8:35 PM HADT · 200 days ago · 39 km deep · 23 km away
4. 2.357 km SSW of Adak, AlaskaSun, Mar 15, 10:47 AM HADT · 200 days ago · 50 km deep · 97 km away
5. 1.5126 km W of Adak, AlaskaSun, Mar 15, 4:39 AM HADT · 201 days ago · 20 km deep · 31 km away
6. 3.0221 km WSW of Adak, AlaskaSat, Mar 14, 9:58 PM HADT · 201 days ago · 10 km deep · 96 km away
7. 1.958 km W of Adak, AlaskaSat, Mar 14, 8:13 PM HADT · 201 days ago · 121 km deep · 85 km away
8. 2.078 km SW of Adak, AlaskaSat, Mar 14, 2:24 PM HADT · 201 days ago · 58 km deep · 61 km away
9. 2.658 km SW of Adak, AlaskaFri, Mar 13, 6:08 PM HADT · 202 days ago · 28 km deep · 76 km away
10. 2.4143 km WSW of Adak, AlaskaFri, Mar 13, 1:57 PM HADT · 202 days ago · 12 km deep · 15 km away
11. 3.568 km SSW of Adak, AlaskaFri, Mar 13, 6:05 AM HADT · 202 days ago · 35 km deep · 90 km away
12. 2.3122 km SW of Adak, AlaskaThu, Mar 12, 6:49 PM HADT · 203 days ago · 20 km deep · 75 km away
13. 2.3128 km SW of Adak, AlaskaThu, Mar 12, 5:30 PM HADT · 203 days ago · 14 km deep · 48 km away
14. 2.186 km SW of Adak, AlaskaThu, Mar 12, 4:26 AM HADT · 204 days ago · 37 km deep · 57 km away
15. 2.3188 km WSW of Adak, AlaskaThu, Mar 12, 4:00 AM HADT · 204 days ago · 19 km deep · 58 km away
16. 1.889 km W of Adak, AlaskaThu, Mar 12, 2:32 AM HADT · 204 days ago · 14 km deep · 52 km away
17. 3.4134 km SW of Adak, AlaskaWed, Mar 11, 6:51 AM HADT · 204 days ago · 12 km deep · 62 km away
18. 2.059 km SW of Adak, AlaskaWed, Mar 11, 6:30 AM HADT · 204 days ago · 54 km deep · 86 km away
19. 1.5132 km W of Adak, AlaskaTue, Mar 10, 2:31 AM HADT · 206 days ago · 7 km deep · 24 km away
20. 2.199 km WSW of Adak, AlaskaMon, Mar 9, 5:41 PM HADT · 206 days ago · 30 km deep · 37 km away

From the USGS Earthquake Hazards Program and its partner networks, event aka2026fhuddf. Read Fri, Oct 2, 2026, 1:40 AM UTC.