M1.9 earthquake 79 km W of Adak, Alaska

Magnitude

1.9 (ml), micro

Local time

Sun, Feb 16, 2020, 11:12 PM HAST

UTC

2020-02-17 09:12:46 UTC

Depth

8.9 km (5.5 mi), shallow

Epicenter

51.818° N, 177.786° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

49

After

1. 1.879 km W of Adak, AlaskaMon, Feb 17, 1:50 PM HAST · 2417 days ago · 5 km deep · 2 km away
2. 2.0132 km SW of Adak, AlaskaMon, Feb 17, 9:54 PM HAST · 2416 days ago · 22 km deep · 77 km away
3. 2.1Andreanof Islands, Aleutian Islands, AlaskaTue, Feb 18, 3:38 AM HAST · 2416 days ago · 26 km deep · 75 km away
4. 1.7Andreanof Islands, Aleutian Islands, AlaskaTue, Feb 18, 3:43 AM HAST · 2416 days ago · 6 km deep · 5 km away
5. 2.082 km W of Adak, AlaskaTue, Feb 18, 5:25 AM HAST · 2416 days ago · 9 km deep · 4 km away
6. 1.983 km W of Adak, AlaskaTue, Feb 18, 5:54 AM HAST · 2416 days ago · 7 km deep · 5 km away
7. 1.881 km W of Adak, AlaskaTue, Feb 18, 6:05 AM HAST · 2416 days ago · 8 km deep · 2 km away
8. 3.163 km SSW of Adak, AlaskaTue, Feb 18, 10:41 AM HAST · 2416 days ago · 35 km deep · 84 km away
9. 2.284 km W of Adak, AlaskaTue, Feb 18, 11:25 AM HAST · 2416 days ago · 5 km deep · 5 km away
10. 1.677 km W of Adak, AlaskaTue, Feb 18, 12:53 PM HAST · 2416 days ago · 6 km deep · 4 km away
11. 1.5123 km W of Adak, AlaskaTue, Feb 18, 7:01 PM HAST · 2415 days ago · 5 km deep · 45 km away
12. 1.982 km W of Adak, AlaskaTue, Feb 18, 10:23 PM HAST · 2415 days ago · 8 km deep · 5 km away
13. 2.686 km WSW of Adak, AlaskaTue, Feb 18, 10:47 PM HAST · 2415 days ago · 70 km deep · 26 km away
14. 1.984 km W of Adak, AlaskaWed, Feb 19, 12:18 AM HAST · 2415 days ago · 10 km deep · 6 km away
15. 1.988 km W of Adak, AlaskaWed, Feb 19, 2:41 AM HAST · 2415 days ago · 3 km deep · 9 km away
16. 1.9132 km WSW of Adak, AlaskaWed, Feb 19, 8:37 AM HAST · 2415 days ago · 7 km deep · 54 km away
17. 1.778 km W of Adak, AlaskaWed, Feb 19, 10:40 PM HAST · 2414 days ago · 7 km deep · 3 km away
18. 2.0131 km WSW of Adak, AlaskaThu, Feb 20, 3:14 AM HAST · 2414 days ago · 24 km deep · 70 km away
19. 1.782 km W of Adak, AlaskaThu, Feb 20, 6:43 AM HAST · 2414 days ago · 4 km deep · 3 km away
20. 1.577 km W of Adak, AlaskaThu, Feb 20, 6:53 AM HAST · 2414 days ago · 7 km deep · 4 km away
21. 2.679 km W of Adak, AlaskaThu, Feb 20, 7:07 AM HAST · 2414 days ago · 14 km deep · 3 km away
22. 2.364 km WSW of Adak, AlaskaThu, Feb 20, 8:27 AM HAST · 2414 days ago · 68 km deep · 30 km away
23. 2.055 km WSW of Adak, AlaskaThu, Feb 20, 2:03 PM HAST · 2414 days ago · 95 km deep · 31 km away
24. 1.9150 km WSW of Adak, AlaskaThu, Feb 20, 4:33 PM HAST · 2413 days ago · 17 km deep · 75 km away
25. 1.684 km W of Adak, AlaskaThu, Feb 20, 8:04 PM HAST · 2413 days ago · 15 km deep · 6 km away
26. 1.579 km W of Adak, AlaskaThu, Feb 20, 8:43 PM HAST · 2413 days ago · 9 km deep · 1 km away
27. 1.6129 km W of Adak, AlaskaThu, Feb 20, 11:36 PM HAST · 2413 days ago · 7 km deep · 51 km away
28. 1.7143 km WSW of Adak, AlaskaFri, Feb 21, 5:50 PM HAST · 2412 days ago · 23 km deep · 78 km away
29. 1.8113 km WSW of Adak, AlaskaFri, Feb 21, 8:44 PM HAST · 2412 days ago · 9 km deep · 44 km away
30. 2.0124 km WSW of Adak, AlaskaFri, Feb 21, 9:29 PM HAST · 2412 days ago · 14 km deep · 58 km away
31. 1.585 km W of Adak, AlaskaSat, Feb 22, 5:03 AM HAST · 2412 days ago · 11 km deep · 6 km away
32. 1.637 km S of Adak, AlaskaSat, Feb 22, 5:07 AM HAST · 2412 days ago · 52 km deep · 91 km away
33. 1.580 km W of Adak, AlaskaSat, Feb 22, 5:15 AM HAST · 2412 days ago · 10 km deep · 2 km away
34. 1.988 km W of Adak, AlaskaSat, Feb 22, 5:27 AM HAST · 2412 days ago · 5 km deep · 10 km away
35. 1.683 km W of Adak, AlaskaSat, Feb 22, 5:57 AM HAST · 2412 days ago · 7 km deep · 4 km away
36. 1.680 km W of Adak, AlaskaSat, Feb 22, 6:00 AM HAST · 2412 days ago · 11 km deep · 1 km away
37. 1.898 km WSW of Adak, AlaskaSat, Feb 22, 6:54 AM HAST · 2412 days ago · 26 km deep · 46 km away
38. 1.880 km W of Adak, AlaskaSat, Feb 22, 11:56 AM HAST · 2412 days ago · 11 km deep · 3 km away
39. 2.282 km W of Adak, AlaskaSun, Feb 23, 8:04 AM HAST · 2411 days ago · 8 km deep · 6 km away
40. 2.1118 km WSW of Adak, AlaskaSun, Feb 23, 11:46 AM HAST · 2411 days ago · 58 km deep · 49 km away
41. 1.867 km WSW of Adak, AlaskaSun, Feb 23, 11:42 PM HAST · 2410 days ago · 68 km deep · 19 km away
42. 3.4137 km WSW of Adak, AlaskaMon, Feb 24, 12:42 AM HAST · 2410 days ago · 34 km deep · 74 km away
43. 3.725 km WNW of Adak, AlaskaMon, Feb 24, 12:52 PM HAST · 2410 days ago · 103 km deep · 59 km away
44. 1.948 km SSE of Adak, AlaskaMon, Feb 24, 7:33 PM HAST · 2409 days ago · 43 km deep · 99 km away
45. 1.789 km WSW of Adak, AlaskaMon, Feb 24, 10:35 PM HAST · 2409 days ago · 25 km deep · 35 km away
46. 3.362 km SSW of Adak, AlaskaTue, Feb 25, 12:42 AM HAST · 2409 days ago · 10 km deep · 70 km away
47. 2.0154 km WSW of Adak, AlaskaTue, Feb 25, 12:51 AM HAST · 2409 days ago · 25 km deep · 91 km away
48. 2.657 km SSW of Adak, AlaskaTue, Feb 25, 2:48 AM HAST · 2409 days ago · 35 km deep · 66 km away
49. 1.6Andreanof Islands, Aleutian Islands, AlaskaTue, Feb 25, 7:39 AM HAST · 2409 days ago · 10 km deep · 10 km away
50. 2.284 km W of Adak, AlaskaTue, Feb 25, 11:06 AM HAST · 2409 days ago · 6 km deep · 5 km away
51. 1.777 km W of Adak, AlaskaTue, Feb 25, 1:58 PM HAST · 2409 days ago · 7 km deep · 3 km away
52. 1.678 km W of Adak, AlaskaTue, Feb 25, 10:20 PM HAST · 2408 days ago · 7 km deep · 3 km away
53. 1.780 km W of Adak, AlaskaTue, Feb 25, 10:42 PM HAST · 2408 days ago · 6 km deep · 4 km away
54. 1.983 km W of Adak, AlaskaWed, Feb 26, 8:09 AM HAST · 2408 days ago · 9 km deep · 6 km away
55. 1.659 km SSW of Adak, AlaskaWed, Feb 26, 10:29 AM HAST · 2408 days ago · 32 km deep · 76 km away
56. 1.9130 km SW of Adak, AlaskaWed, Feb 26, 4:36 PM HAST · 2407 days ago · 22 km deep · 74 km away
57. 1.662 km SW of Adak, AlaskaThu, Feb 27, 3:47 AM HAST · 2407 days ago · 39 km deep · 42 km away
58. 1.6107 km WSW of Adak, AlaskaThu, Feb 27, 6:55 PM HAST · 2406 days ago · 27 km deep · 42 km away
59. 3.688 km W of Adak, AlaskaThu, Feb 27, 9:40 PM HAST · 2406 days ago · 11 km deep · 13 km away
60. 1.889 km W of Adak, AlaskaThu, Feb 27, 9:58 PM HAST · 2406 days ago · 5 km deep · 10 km away

The first 60 of at least 199.

Before

1. 2.9126 km WSW of Adak, AlaskaSun, Feb 16, 9:02 PM HAST · 2417 days ago · 28 km deep · 64 km away
2. 4.7133 km SW of Adak, AlaskaSun, Feb 16, 5:33 PM HAST · 2417 days ago · 35 km deep · 79 km away
3. 1.975 km WSW of Adak, AlaskaSun, Feb 16, 3:25 PM HAST · 2418 days ago · 26 km deep · 32 km away
4. 1.840 km W of Adak, AlaskaSun, Feb 16, 12:33 PM HAST · 2418 days ago · 6 km deep · 39 km away
5. 2.1134 km WSW of Adak, AlaskaSun, Feb 16, 11:14 AM HAST · 2418 days ago · 25 km deep · 68 km away
6. 2.664 km WSW of Adak, AlaskaSun, Feb 16, 6:27 AM HAST · 2418 days ago · 67 km deep · 35 km away
7. 1.9134 km WSW of Adak, AlaskaSat, Feb 15, 10:05 PM HAST · 2418 days ago · 24 km deep · 71 km away
8. 1.590 km WSW of Adak, AlaskaSat, Feb 15, 2:12 PM HAST · 2419 days ago · 13 km deep · 37 km away
9. 1.680 km W of Adak, AlaskaSat, Feb 15, 1:03 PM HAST · 2419 days ago · 9 km deep · 3 km away
10. 1.879 km W of Adak, AlaskaSat, Feb 15, 6:38 AM HAST · 2419 days ago · 7 km deep · 6 km away
11. 1.878 km W of Adak, AlaskaSat, Feb 15, 6:37 AM HAST · 2419 days ago · 11 km deep · 1 km away
12. 1.878 km W of Adak, AlaskaSat, Feb 15, 3:27 AM HAST · 2419 days ago · 3 km deep · 4 km away
13. 1.780 km W of Adak, AlaskaSat, Feb 15, 3:26 AM HAST · 2419 days ago · 7 km deep · 4 km away
14. 1.679 km W of Adak, AlaskaSat, Feb 15, 1:51 AM HAST · 2419 days ago · 10 km deep · 3 km away
15. 1.980 km W of Adak, AlaskaSat, Feb 15, 1:41 AM HAST · 2419 days ago · 10 km deep · 4 km away
16. 1.988 km W of Adak, AlaskaFri, Feb 14, 6:40 PM HAST · 2419 days ago · 6 km deep · 9 km away
17. 2.657 km WSW of Adak, AlaskaFri, Feb 14, 5:06 PM HAST · 2419 days ago · 79 km deep · 24 km away
18. 2.178 km W of Adak, AlaskaFri, Feb 14, 1:58 AM HAST · 2420 days ago · 7 km deep · 1 km away
19. 1.977 km W of Adak, AlaskaThu, Feb 13, 10:10 PM HAST · 2420 days ago · 9 km deep · 2 km away
20. 1.680 km W of Adak, AKThu, Feb 13, 9:52 PM HAST · 2420 days ago · 7 km deep · 4 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak02027j889j. Read Wed, Sep 30, 2026, 12:59 PM UTC.