M1.8 earthquake 174 km WSW of Adak, Alaska

Magnitude

1.8 (ml), micro

Local time

Tue, Jul 12, 2022, 10:24 PM HADT

UTC

2022-07-13 07:24:49 UTC

Depth

24.1 km (15.0 mi), shallow

Epicenter

51.279° N, 178.970° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.2 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.42

Depth from

From location

Station coverage gap

323°, poorly surrounded by stations

Stations used

6

After

1. 1.6152 km WSW of Adak, AlaskaWed, Jul 13, 4:18 AM HADT · 1539 days ago · 28 km deep · 23 km away
2. 1.7216 km WSW of Adak, AlaskaWed, Jul 13, 5:20 AM HADT · 1539 days ago · 11 km deep · 42 km away
3. 1.8135 km W of Adak, AlaskaWed, Jul 13, 7:21 AM HADT · 1539 days ago · 146 km deep · 82 km away
4. 1.5232 km WSW of Adak, AlaskaWed, Jul 13, 8:39 AM HADT · 1539 days ago · 5 km deep · 61 km away
5. 1.6130 km WSW of Adak, AlaskaWed, Jul 13, 11:34 PM HADT · 1538 days ago · 5 km deep · 45 km away
6. 1.5140 km W of Adak, AlaskaThu, Jul 14, 1:16 AM HADT · 1538 days ago · 11 km deep · 51 km away
7. 1.8139 km W of Adak, AlaskaThu, Jul 14, 5:06 AM HADT · 1538 days ago · 7 km deep · 52 km away
8. 3.1114 km WSW of Adak, AlaskaThu, Jul 14, 4:03 PM HADT · 1538 days ago · 33 km deep · 60 km away
9. 2.5132 km WSW of Adak, AlaskaThu, Jul 14, 5:06 PM HADT · 1537 days ago · 10 km deep · 47 km away
10. 3.2123 km WSW of Adak, AlaskaThu, Jul 14, 11:23 PM HADT · 1537 days ago · 18 km deep · 55 km away
11. 2.0178 km W of Adak, AlaskaFri, Jul 15, 8:59 AM HADT · 1537 days ago · 88 km deep · 54 km away
12. 2.7193 km WSW of Adak, AlaskaFri, Jul 15, 12:51 PM HADT · 1537 days ago · 35 km deep · 19 km away
13. 2.7137 km SW of Adak, AlaskaFri, Jul 15, 2:52 PM HADT · 1537 days ago · 35 km deep · 62 km away
14. 2.8135 km WSW of Adak, AlaskaFri, Jul 15, 3:34 PM HADT · 1537 days ago · 32 km deep · 49 km away
15. 1.6137 km SW of Adak, AlaskaFri, Jul 15, 4:15 PM HADT · 1536 days ago · 6 km deep · 62 km away
16. 1.6196 km WSW of Adak, AlaskaFri, Jul 15, 5:06 PM HADT · 1536 days ago · 22 km deep · 26 km away
17. 1.6153 km W of Adak, AlaskaSat, Jul 16, 4:40 AM HADT · 1536 days ago · 8 km deep · 72 km away
18. 2.0183 km W of Adak, AlaskaSat, Jul 16, 8:51 AM HADT · 1536 days ago · 85 km deep · 71 km away
19. 2.0193 km WSW of Adak, AlaskaSat, Jul 16, 9:49 AM HADT · 1536 days ago · 22 km deep · 24 km away
20. 1.6129 km WSW of Adak, AlaskaSat, Jul 16, 12:14 PM HADT · 1536 days ago · 5 km deep · 52 km away
21. 2.5209 km W of Adak, AlaskaSat, Jul 16, 3:43 PM HADT · 1536 days ago · 127 km deep · 84 km away
22. 1.8117 km WSW of Adak, AlaskaSat, Jul 16, 3:45 PM HADT · 1536 days ago · 30 km deep · 57 km away
23. 1.6170 km WSW of Adak, AlaskaSun, Jul 17, 4:29 AM HADT · 1535 days ago · 29 km deep · 26 km away
24. 1.7194 km WSW of Adak, AlaskaSun, Jul 17, 8:11 AM HADT · 1535 days ago · 22 km deep · 26 km away
25. 1.695 km SW of Adak, AlaskaSun, Jul 17, 8:26 AM HADT · 1535 days ago · 26 km deep · 96 km away
26. 1.6132 km WSW of Adak, AlaskaSun, Jul 17, 8:27 AM HADT · 1535 days ago · 10 km deep · 51 km away
27. 2.893 km SW of Adak, AlaskaSun, Jul 17, 12:57 PM HADT · 1535 days ago · 37 km deep · 93 km away
28. 1.5113 km WSW of Adak, AlaskaSun, Jul 17, 11:18 PM HADT · 1534 days ago · 9 km deep · 61 km away
29. 1.9198 km WSW of Adak, AlaskaMon, Jul 18, 1:57 AM HADT · 1534 days ago · 22 km deep · 25 km away
30. 3.4132 km SW of Adak, AlaskaMon, Jul 18, 5:50 AM HADT · 1534 days ago · 35 km deep · 62 km away
31. 1.7222 km WSW of Adak, AlaskaMon, Jul 18, 8:07 AM HADT · 1534 days ago · 56 km deep · 58 km away
32. 3.0132 km WSW of Adak, AlaskaMon, Jul 18, 1:34 PM HADT · 1534 days ago · 43 km deep · 51 km away
33. 1.6149 km WSW of Adak, AlaskaMon, Jul 18, 10:50 PM HADT · 1533 days ago · 15 km deep · 35 km away
34. 1.9142 km WSW of Adak, AlaskaTue, Jul 19, 4:38 AM HADT · 1533 days ago · 24 km deep · 38 km away
35. 2.9120 km SW of Adak, AlaskaTue, Jul 19, 10:40 AM HADT · 1533 days ago · 35 km deep · 66 km away
36. 1.5124 km SW of Adak, AlaskaTue, Jul 19, 11:39 AM HADT · 1533 days ago · 26 km deep · 67 km away
37. 1.5117 km SW of Adak, AlaskaTue, Jul 19, 12:12 PM HADT · 1533 days ago · 21 km deep · 73 km away
38. 4.4235 km W of Adak, AlaskaTue, Jul 19, 5:11 PM HADT · 1532 days ago · 18 km deep · 90 km away
39. 1.7236 km W of Adak, AlaskaTue, Jul 19, 5:17 PM HADT · 1532 days ago · 9 km deep · 90 km away
40. 1.7235 km W of Adak, AlaskaTue, Jul 19, 5:20 PM HADT · 1532 days ago · 8 km deep · 90 km away
41. 1.6236 km W of Adak, AlaskaTue, Jul 19, 5:33 PM HADT · 1532 days ago · 8 km deep · 90 km away
42. 2.6231 km W of Adak, AlaskaTue, Jul 19, 5:41 PM HADT · 1532 days ago · 17 km deep · 87 km away
43. 2.6Rat Islands, Aleutian Islands, AlaskaTue, Jul 19, 5:45 PM HADT · 1532 days ago · 16 km deep · 88 km away
44. 2.6233 km W of Adak, AlaskaTue, Jul 19, 5:55 PM HADT · 1532 days ago · 10 km deep · 86 km away
45. 1.7235 km W of Adak, AlaskaTue, Jul 19, 5:56 PM HADT · 1532 days ago · 13 km deep · 90 km away
46. 1.6234 km W of Adak, AlaskaTue, Jul 19, 5:57 PM HADT · 1532 days ago · 13 km deep · 92 km away
47. 1.8234 km W of Adak, AlaskaTue, Jul 19, 5:57 PM HADT · 1532 days ago · 10 km deep · 89 km away
48. 1.8233 km W of Adak, AlaskaTue, Jul 19, 6:49 PM HADT · 1532 days ago · 11 km deep · 89 km away
49. 1.6232 km W of Adak, AlaskaTue, Jul 19, 7:51 PM HADT · 1532 days ago · 13 km deep · 94 km away
50. 2.6233 km W of Adak, AlaskaTue, Jul 19, 9:58 PM HADT · 1532 days ago · 10 km deep · 85 km away
51. 2.6232 km W of Adak, AlaskaTue, Jul 19, 10:41 PM HADT · 1532 days ago · 10 km deep · 87 km away
52. 1.9233 km W of Adak, AlaskaTue, Jul 19, 11:25 PM HADT · 1532 days ago · 13 km deep · 90 km away
53. 1.8233 km W of Adak, AlaskaTue, Jul 19, 11:43 PM HADT · 1532 days ago · 13 km deep · 90 km away
54. 2.5207 km W of Adak, AlaskaWed, Jul 20, 12:16 AM HADT · 1532 days ago · 97 km deep · 64 km away
55. 3.0Rat Islands, Aleutian Islands, AlaskaWed, Jul 20, 12:27 AM HADT · 1532 days ago · 16 km deep · 92 km away
56. 2.7231 km W of Adak, AlaskaWed, Jul 20, 5:50 AM HADT · 1532 days ago · 10 km deep · 86 km away
57. 1.8236 km W of Adak, AlaskaWed, Jul 20, 6:07 AM HADT · 1532 days ago · 8 km deep · 90 km away
58. 1.6234 km W of Adak, AlaskaWed, Jul 20, 6:54 AM HADT · 1532 days ago · 13 km deep · 90 km away
59. 1.9Andreanof Islands, Aleutian Islands, AlaskaWed, Jul 20, 8:03 AM HADT · 1532 days ago · 22 km deep · 57 km away
60. 2.0234 km W of Adak, AlaskaWed, Jul 20, 11:16 AM HADT · 1532 days ago · 7 km deep · 88 km away

The first 60 of at least 200.

Before

1. 2.9253 km WSW of Adak, AlaskaWed, Jul 13, 2:30 AM GMT+12 · 1540 days ago · 60 km deep · 90 km away
2. 1.5131 km WSW of Adak, AlaskaTue, Jul 12, 1:42 AM HADT · 1540 days ago · 24 km deep · 49 km away
3. 1.7255 km WSW of Adak, AlaskaTue, Jul 12, 9:41 PM GMT+12 · 1540 days ago · 8 km deep · 84 km away
4. 1.7227 km WSW of Adak, AlaskaMon, Jul 11, 9:52 PM HADT · 1540 days ago · 25 km deep · 53 km away
5. 1.7126 km WSW of Adak, AlaskaMon, Jul 11, 6:28 PM HADT · 1540 days ago · 25 km deep · 50 km away
6. 1.7217 km WSW of Adak, AlaskaMon, Jul 11, 4:37 PM HADT · 1540 days ago · 7 km deep · 43 km away
7. 2.9146 km WSW of Adak, AlaskaMon, Jul 11, 2:41 AM HADT · 1541 days ago · 33 km deep · 36 km away
8. 2.5166 km W of Adak, AlaskaSun, Jul 10, 11:33 AM HADT · 1542 days ago · 91 km deep · 37 km away
9. 1.9143 km W of Adak, AlaskaSat, Jul 9, 8:06 PM HADT · 1542 days ago · 81 km deep · 50 km away
10. 1.6124 km WSW of Adak, AlaskaSat, Jul 9, 2:29 AM HADT · 1543 days ago · 42 km deep · 53 km away
11. 1.7257 km W of Adak, AlaskaSat, Jul 9, 4:53 AM GMT+12 · 1544 days ago · 62 km deep · 97 km away
12. 1.6236 km WSW of Adak, AlaskaFri, Jul 8, 7:34 AM HADT · 1544 days ago · 15 km deep · 63 km away
13. 2.5192 km WSW of Adak, AlaskaThu, Jul 7, 7:49 PM HADT · 1544 days ago · 35 km deep · 19 km away
14. 1.6195 km WSW of Adak, AlaskaThu, Jul 7, 2:39 PM HADT · 1545 days ago · 38 km deep · 29 km away
15. 1.9113 km WSW of Adak, AlaskaThu, Jul 7, 2:33 PM HADT · 1545 days ago · 13 km deep · 62 km away
16. 1.8216 km SW of Adak, AlaskaThu, Jul 7, 2:11 PM HADT · 1545 days ago · 25 km deep · 96 km away
17. 1.7184 km W of Adak, AlaskaThu, Jul 7, 11:02 AM HADT · 1545 days ago · 165 km deep · 76 km away
18. 1.7197 km W of Adak, AlaskaThu, Jul 7, 4:42 AM HADT · 1545 days ago · 100 km deep · 76 km away
19. 1.8244 km WSW of Adak, AlaskaFri, Jul 8, 1:25 AM GMT+12 · 1545 days ago · 58 km deep · 82 km away
20. 1.9238 km WSW of Adak, AlaskaWed, Jul 6, 11:12 PM GMT-12 · 1545 days ago · 12 km deep · 64 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91065913. Read Tue, Sep 29, 2026, 12:33 PM UTC.