M2.2 earthquake 166 km SW of Adak, Alaska

Magnitude

2.2 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Aug 20, 2026, 12:19 AM HADT

UTC

2026-08-20 09:19:15 UTC

Depth

6.3 km (3.9 mi), shallow

Epicenter

50.969° N, 178.546° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 6.0 km horizontally, 2.6 km in depth

Magnitude uncertainty

±0.10

Station coverage gap

231°, poorly surrounded by stations

Stations used

25

After

1. 2.7120 km SW of Adak, AlaskaSat, Aug 22, 2:39 AM HADT · 41 days ago · 44 km deep · 46 km away
2. 2.3132 km SW of Adak, AlaskaSat, Aug 22, 10:28 AM HADT · 41 days ago · 21 km deep · 39 km away
3. 2.0150 km WSW of Adak, AlaskaSat, Aug 22, 2:15 PM HADT · 40 days ago · 21 km deep · 74 km away
4. 2.2137 km SW of Adak, AlaskaSat, Aug 22, 8:42 PM HADT · 40 days ago · 11 km deep · 50 km away
5. 2.7141 km WSW of Adak, AlaskaSun, Aug 23, 2:40 PM HADT · 39 days ago · 95 km deep · 69 km away
6. 2.5133 km SW of Adak, AlaskaSun, Aug 23, 4:27 PM HADT · 39 days ago · 28 km deep · 33 km away
7. 2.7191 km WSW of Adak, AlaskaSun, Aug 23, 7:01 PM HADT · 39 days ago · 15 km deep · 37 km away
8. 2.5115 km WSW of Adak, AlaskaMon, Aug 24, 10:53 PM HADT · 38 days ago · 7 km deep · 54 km away
9. 2.3132 km WSW of Adak, AlaskaTue, Aug 25, 12:39 AM HADT · 38 days ago · 8 km deep · 48 km away
10. 2.1176 km WSW of Adak, AlaskaTue, Aug 25, 9:54 AM HADT · 38 days ago · 14 km deep · 77 km away
11. 1.8130 km WSW of Adak, AlaskaTue, Aug 25, 12:03 PM HADT · 37 days ago · 16 km deep · 66 km away
12. 2.7117 km SW of Adak, AlaskaWed, Aug 26, 8:14 AM HADT · 37 days ago · 35 km deep · 49 km away
13. 2.377 km SW of Adak, AlaskaThu, Aug 27, 1:22 AM HADT · 36 days ago · 37 km deep · 91 km away
14. 2.5122 km WSW of Adak, AlaskaThu, Aug 27, 8:55 PM HADT · 35 days ago · 26 km deep · 50 km away
15. 2.6173 km SW of Adak, AlaskaFri, Aug 28, 12:26 AM HADT · 35 days ago · 15 km deep · 11 km away
16. 2.7169 km SW of Adak, AlaskaFri, Aug 28, 2:53 AM HADT · 35 days ago · 35 km deep · 11 km away
17. 2.6172 km WSW of Adak, AlaskaFri, Aug 28, 3:32 AM HADT · 35 days ago · 33 km deep · 21 km away
18. 2.6176 km WSW of Adak, AlaskaFri, Aug 28, 4:13 AM HADT · 35 days ago · 34 km deep · 25 km away
19. 2.7176 km SW of Adak, AlaskaFri, Aug 28, 4:37 AM HADT · 35 days ago · 20 km deep · 16 km away
20. 3.5134 km WSW of Adak, AlaskaFri, Aug 28, 6:04 AM HADT · 35 days ago · 35 km deep · 35 km away
21. 2.7181 km WSW of Adak, AlaskaFri, Aug 28, 7:46 AM HADT · 35 days ago · 29 km deep · 22 km away
22. 3.1162 km WSW of Adak, AlaskaFri, Aug 28, 9:59 AM HADT · 35 days ago · 33 km deep · 55 km away
23. 2.6178 km WSW of Adak, AlaskaFri, Aug 28, 12:21 PM HADT · 34 days ago · 53 km deep · 55 km away
24. 2.4155 km WSW of Adak, AlaskaFri, Aug 28, 9:58 PM HADT · 34 days ago · 14 km deep · 43 km away
25. 2.6198 km WSW of Adak, AlaskaSat, Aug 29, 1:33 AM HADT · 34 days ago · 22 km deep · 48 km away
26. 2.8239 km WSW of Adak, AlaskaSat, Aug 29, 3:26 AM GMT-12 · 34 days ago · 14 km deep · 89 km away
27. 2.282 km SW of Adak, AlaskaSat, Aug 29, 2:53 PM HADT · 33 days ago · 30 km deep · 86 km away
28. 2.2149 km WSW of Adak, AlaskaSat, Aug 29, 9:56 PM HADT · 33 days ago · 28 km deep · 22 km away
29. 2.9199 km W of Adak, AlaskaSun, Aug 30, 8:22 AM HADT · 33 days ago · 12 km deep · 95 km away
30. 3.0113 km WSW of Adak, AlaskaSun, Aug 30, 8:38 AM HADT · 33 days ago · 35 km deep · 55 km away
31. 2.0133 km W of Adak, AlaskaSun, Aug 30, 9:55 PM HADT · 32 days ago · 20 km deep · 83 km away
32. 2.6166 km WSW of Adak, AlaskaTue, Sep 1, 12:33 AM HADT · 31 days ago · 35 km deep · 30 km away
33. 2.5127 km WSW of Adak, AlaskaTue, Sep 1, 2:13 PM HADT · 30 days ago · 35 km deep · 45 km away
34. 3.3157 km SW of Adak, AlaskaTue, Sep 1, 8:07 PM HADT · 30 days ago · 10 km deep · 10 km away
35. 3.3157 km SW of Adak, AlaskaTue, Sep 1, 9:20 PM HADT · 30 days ago · 10 km deep · 10 km away
36. 2.9139 km SW of Adak, AlaskaThu, Sep 3, 5:15 PM HADT · 28 days ago · 24 km deep · 28 km away
37. 2.6128 km WSW of Adak, AlaskaFri, Sep 4, 3:41 PM HADT · 27 days ago · 11 km deep · 69 km away
38. 2.6138 km SW of Adak, AlaskaFri, Sep 4, 8:23 PM HADT · 27 days ago · 16 km deep · 34 km away
39. 2.6242 km WSW of Adak, AlaskaFri, Sep 4, 11:32 PM GMT-12 · 27 days ago · 7 km deep · 90 km away
40. 2.1115 km WSW of Adak, AlaskaSat, Sep 5, 11:10 AM HADT · 26 days ago · 15 km deep · 57 km away
41. 2.568 km SW of Adak, AlaskaSat, Sep 5, 4:06 PM HADT · 26 days ago · 62 km deep · 100 km away
42. 3.0210 km WSW of Adak, AlaskaSat, Sep 5, 5:35 PM HADT · 26 days ago · 35 km deep · 69 km away
43. 2.5152 km WSW of Adak, AlaskaSat, Sep 5, 7:12 PM HADT · 26 days ago · 1 km deep · 34 km away
44. 2.593 km SW of Adak, AlaskaSun, Sep 6, 2:09 AM HADT · 26 days ago · 28 km deep · 81 km away
45. 2.0111 km WSW of Adak, AlaskaSun, Sep 6, 6:49 AM HADT · 26 days ago · 77 km deep · 72 km away
46. 2.8172 km WSW of Adak, AlaskaSun, Sep 6, 9:06 AM HADT · 26 days ago · 30 km deep · 51 km away
47. 3.4156 km SW of Adak, AlaskaSun, Sep 6, 2:32 PM HADT · 25 days ago · 5 km deep · 10 km away
48. 1.7153 km W of Adak, AlaskaMon, Sep 7, 2:14 AM HADT · 25 days ago · 16 km deep · 90 km away
49. 1.9133 km WSW of Adak, AlaskaMon, Sep 7, 2:14 PM HADT · 24 days ago · 27 km deep · 72 km away
50. 2.6172 km SW of Adak, AlaskaMon, Sep 7, 3:35 PM HADT · 24 days ago · 30 km deep · 12 km away
51. 2.6156 km SW of Adak, AlaskaMon, Sep 7, 4:41 PM HADT · 24 days ago · 10 km deep · 45 km away
52. 1.8111 km WSW of Adak, AlaskaTue, Sep 8, 12:26 AM HADT · 24 days ago · 27 km deep · 65 km away
53. 2.6196 km WSW of Adak, AlaskaTue, Sep 8, 6:15 AM HADT · 24 days ago · 21 km deep · 48 km away
54. 3.0230 km SSW of Adak, AlaskaTue, Sep 8, 9:59 AM HADT · 24 days ago · 10 km deep · 92 km away
55. 2.6206 km W of Adak, AlaskaTue, Sep 8, 3:48 PM HADT · 23 days ago · 91 km deep · 98 km away
56. 2.0120 km WSW of Adak, AlaskaTue, Sep 8, 6:42 PM HADT · 23 days ago · 21 km deep · 50 km away
57. 2.4179 km SW of Adak, AlaskaTue, Sep 8, 6:46 PM HADT · 23 days ago · 19 km deep · 16 km away
58. 2.2184 km WSW of Adak, AlaskaTue, Sep 8, 8:45 PM HADT · 23 days ago · 11 km deep · 58 km away
59. 2.086 km SW of Adak, AlaskaTue, Sep 8, 9:47 PM HADT · 23 days ago · 29 km deep · 80 km away
60. 2.1122 km WSW of Adak, AlaskaTue, Sep 8, 11:53 PM HADT · 23 days ago · 16 km deep · 50 km away

The first 60 of 159.

Before

1. 2.2163 km SW of Adak, AlaskaWed, Aug 19, 11:49 PM HADT · 43 days ago · 8 km deep · 3 km away
2. 2.0150 km SW of Adak, AlaskaWed, Aug 19, 12:47 PM HADT · 43 days ago · 30 km deep · 19 km away
3. 2.4200 km WSW of Adak, AlaskaWed, Aug 19, 11:55 AM HADT · 43 days ago · 59 km deep · 84 km away
4. 2.5102 km WSW of Adak, AlaskaWed, Aug 19, 1:44 AM HADT · 44 days ago · 61 km deep · 68 km away
5. 3.7134 km WSW of Adak, AlaskaTue, Aug 18, 11:22 PM HADT · 44 days ago · 45 km deep · 36 km away
6. 2.9116 km WSW of Adak, AlaskaTue, Aug 18, 4:27 PM HADT · 44 days ago · 3 km deep · 55 km away
7. 2.179 km SW of Adak, AlaskaTue, Aug 18, 11:16 AM HADT · 44 days ago · 46 km deep · 91 km away
8. 2.5230 km WSW of Adak, AlaskaTue, Aug 18, 8:59 AM HADT · 45 days ago · 24 km deep · 85 km away
9. 2.6244 km WSW of Adak, AlaskaTue, Aug 18, 1:03 AM GMT-12 · 45 days ago · 10 km deep · 92 km away
10. 2.999 km WSW of Adak, AlaskaTue, Aug 18, 2:00 AM HADT · 45 days ago · 53 km deep · 67 km away
11. 2.5171 km W of Adak, AlaskaSat, Aug 15, 11:06 PM HADT · 47 days ago · 11 km deep · 93 km away
12. 1.7117 km WSW of Adak, AlaskaSat, Aug 15, 4:15 PM HADT · 47 days ago · 19 km deep · 55 km away
13. 2.7239 km WSW of Adak, AlaskaSat, Aug 15, 5:27 AM HADT · 48 days ago · 10 km deep · 78 km away
14. 2.8240 km WSW of Adak, AlaskaSat, Aug 15, 2:20 AM GMT-12 · 48 days ago · 10 km deep · 80 km away
15. 1.773 km WSW of Adak, AlaskaSat, Aug 15, 4:57 AM HADT · 48 days ago · 67 km deep · 93 km away
16. 2.096 km SW of Adak, AlaskaFri, Aug 14, 11:20 PM HADT · 48 days ago · 26 km deep · 71 km away
17. 2.1122 km WSW of Adak, AlaskaFri, Aug 14, 6:28 PM HADT · 48 days ago · 8 km deep · 47 km away
18. 1.875 km SW of Adak, AlaskaFri, Aug 14, 6:01 PM HADT · 48 days ago · 53 km deep · 91 km away
19. 2.2180 km WSW of Adak, AlaskaFri, Aug 14, 4:05 PM HADT · 48 days ago · 27 km deep · 55 km away
20. 2.7197 km WSW of Adak, AlaskaThu, Aug 13, 10:05 PM HADT · 49 days ago · 16 km deep · 56 km away

From the USGS Earthquake Hazards Program and its partner networks, event aka2026qljsem. Read Fri, Oct 2, 2026, 7:11 AM UTC.