M4.4 earthquake 92 km SW of Atka, Alaska

Magnitude

4.4 (mb), light

Local time

Mon, Jan 20, 2020, 6:02 AM HAST

UTC

2020-01-20 16:02:00 UTC

Depth

41.6 km (25.9 mi), shallow

Epicenter

51.666° N, 175.227° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 4.9 km horizontally, 5.8 km in depth

Magnitude uncertainty

±0.04

Depth from

From location

Station coverage gap

107°

Stations used

130

After

1. 2.056 km S of Adak, AlaskaTue, Jan 21, 12:56 PM HAST · 2444 days ago · 26 km deep · 92 km away
2. 2.662 km S of Adak, AlaskaThu, Jan 23, 1:03 PM HAST · 2442 days ago · 35 km deep · 96 km away
3. 2.493 km SW of Atka, AlaskaFri, Jan 24, 4:42 AM HAST · 2441 days ago · 26 km deep · 3 km away
4. 3.146 km ENE of Adak, AlaskaFri, Jan 24, 1:55 PM HAST · 2441 days ago · 135 km deep · 62 km away
5. 2.469 km E of Adak, AlaskaSat, Jan 25, 2:26 AM HAST · 2441 days ago · 71 km deep · 35 km away
6. 2.897 km SW of Atka, AlaskaSat, Jan 25, 10:39 AM HAST · 2440 days ago · 35 km deep · 9 km away
7. 2.744 km W of Atka, AlaskaSun, Jan 26, 11:34 PM HAST · 2439 days ago · 14 km deep · 59 km away
8. 1.658 km SSE of Adak, AlaskaWed, Jan 29, 9:48 PM HAST · 2436 days ago · 24 km deep · 71 km away
9. 2.042 km ENE of Adak, AlaskaThu, Jan 30, 1:33 AM HAST · 2436 days ago · 7 km deep · 73 km away
10. 2.341 km ENE of Adak, AlaskaThu, Jan 30, 2:17 AM HAST · 2436 days ago · 5 km deep · 75 km away
11. 3.225 km WNW of Atka, AlaskaThu, Jan 30, 2:57 AM HAST · 2436 days ago · 226 km deep · 84 km away
12. 2.172 km SE of Adak, AlaskaThu, Jan 30, 8:43 AM HAST · 2435 days ago · 35 km deep · 51 km away
13. 1.9Andreanof Islands, Aleutian Islands, AlaskaThu, Jan 30, 10:00 PM HAST · 2435 days ago · 22 km deep · 71 km away
14. 1.757 km SSE of Adak, AlaskaFri, Jan 31, 6:20 AM HAST · 2434 days ago · 25 km deep · 73 km away
15. 2.079 km SE of Adak, AlaskaFri, Jan 31, 9:23 AM HAST · 2434 days ago · 25 km deep · 40 km away
16. 1.889 km SW of Atka, AlaskaFri, Jan 31, 12:44 PM HAST · 2434 days ago · 17 km deep · 4 km away
17. 2.138 km ENE of Adak, AlaskaFri, Jan 31, 12:52 PM HAST · 2434 days ago · 18 km deep · 78 km away
18. 2.351 km SE of Adak, AlaskaFri, Jan 31, 4:24 PM HAST · 2434 days ago · 26 km deep · 66 km away
19. 1.832 km ESE of Adak, AlaskaSat, Feb 1, 6:25 PM HAST · 2433 days ago · 70 km deep · 67 km away
20. 2.423 km S of Adak, AlaskaSun, Feb 2, 2:09 AM HAST · 2433 days ago · 60 km deep · 94 km away
21. 1.541 km ENE of Adak, AlaskaSun, Feb 2, 3:06 PM HAST · 2432 days ago · 5 km deep · 75 km away
22. 2.1120 km SSW of Atka, AlaskaSun, Feb 2, 5:09 PM HAST · 2432 days ago · 14 km deep · 49 km away
23. 2.058 km SE of Adak, AlaskaMon, Feb 3, 11:44 AM HAST · 2431 days ago · 26 km deep · 60 km away
24. 1.862 km ESE of Adak, AlaskaMon, Feb 3, 6:57 PM HAST · 2431 days ago · 33 km deep · 41 km away
25. 3.584 km WNW of Atka, AlaskaTue, Feb 4, 12:16 AM HAST · 2431 days ago · 233 km deep · 87 km away
26. 2.881 km E of Adak, AlaskaWed, Feb 5, 12:24 AM HAST · 2430 days ago · 92 km deep · 41 km away
27. 3.381 km ESE of Adak, AlaskaWed, Feb 5, 1:03 AM HAST · 2430 days ago · 53 km deep · 25 km away
28. 2.462 km SE of Adak, AlaskaWed, Feb 5, 1:30 AM HAST · 2430 days ago · 32 km deep · 53 km away
29. 2.560 km SSE of Adak, AlaskaWed, Feb 5, 4:04 AM HAST · 2429 days ago · 28 km deep · 77 km away
30. 4.190 km SSE of Adak, AlaskaWed, Feb 5, 1:35 PM HAST · 2429 days ago · 35 km deep · 85 km away
31. 1.9112 km SSW of Atka, AlaskaWed, Feb 5, 3:50 PM HAST · 2429 days ago · 14 km deep · 43 km away
32. 2.036 km SSE of Atka, AlaskaWed, Feb 5, 6:13 PM HAST · 2429 days ago · 21 km deep · 89 km away
33. 1.570 km ENE of Adak, AlaskaWed, Feb 5, 9:23 PM HAST · 2429 days ago · 17 km deep · 60 km away
34. 1.743 km S of Adak, AlaskaThu, Feb 6, 11:04 AM HAST · 2428 days ago · 28 km deep · 97 km away
35. 1.540 km ENE of Adak, AlaskaThu, Feb 6, 5:03 PM HAST · 2428 days ago · 5 km deep · 77 km away
36. 1.921 km S of Adak, AlaskaFri, Feb 7, 11:36 PM HAST · 2427 days ago · 57 km deep · 98 km away
37. 1.541 km ENE of Adak, AlaskaSat, Feb 8, 5:22 AM HAST · 2426 days ago · 5 km deep · 77 km away
38. 1.541 km ENE of Adak, AlaskaSat, Feb 8, 8:31 AM HAST · 2426 days ago · 4 km deep · 76 km away
39. 2.049 km SW of Atka, AlaskaSat, Feb 8, 10:25 PM HAST · 2426 days ago · 37 km deep · 43 km away
40. 1.540 km ENE of Adak, AlaskaSat, Feb 8, 10:33 PM HAST · 2426 days ago · 4 km deep · 76 km away
41. 1.958 km SSE of Adak, AlaskaSun, Feb 9, 6:47 AM HAST · 2425 days ago · 23 km deep · 79 km away
42. 2.9125 km SSW of Atka, AlaskaMon, Feb 10, 7:51 PM HAST · 2424 days ago · 30 km deep · 56 km away
43. 2.6131 km SSW of Atka, AlaskaMon, Feb 10, 7:53 PM HAST · 2424 days ago · 14 km deep · 62 km away
44. 2.074 km SE of Adak, AlaskaMon, Feb 10, 11:19 PM HAST · 2424 days ago · 23 km deep · 55 km away
45. 1.674 km WSW of Atka, AlaskaTue, Feb 11, 1:12 PM HAST · 2423 days ago · 47 km deep · 23 km away
46. 1.838 km SSW of Atka, AlaskaTue, Feb 11, 1:22 PM HAST · 2423 days ago · 26 km deep · 59 km away
47. 1.941 km ENE of Adak, AlaskaTue, Feb 11, 9:22 PM HAST · 2423 days ago · 4 km deep · 75 km away
48. 1.940 km ENE of Adak, AlaskaTue, Feb 11, 10:57 PM HAST · 2423 days ago · 4 km deep · 75 km away
49. 1.9Andreanof Islands, Aleutian Islands, AlaskaWed, Feb 12, 1:06 AM HAST · 2423 days ago · 5 km deep · 75 km away
50. 4.6120 km SSW of Atka, AlaskaWed, Feb 12, 8:53 PM HAST · 2422 days ago · 19 km deep · 48 km away
51. 2.8123 km SSW of Atka, AlaskaWed, Feb 12, 9:06 PM HAST · 2422 days ago · 17 km deep · 51 km away
52. 3.0133 km SSW of Atka, AlaskaWed, Feb 12, 9:15 PM HAST · 2422 days ago · 14 km deep · 64 km away
53. 2.5128 km SSW of Atka, AlaskaWed, Feb 12, 9:23 PM HAST · 2422 days ago · 26 km deep · 59 km away
54. 2.7133 km SSW of Atka, AlaskaWed, Feb 12, 9:32 PM HAST · 2422 days ago · 35 km deep · 65 km away
55. 3.1Andreanof Islands, Aleutian Islands, AlaskaWed, Feb 12, 9:38 PM HAST · 2422 days ago · 14 km deep · 55 km away
56. 3.7130 km SSW of Atka, AlaskaWed, Feb 12, 10:31 PM HAST · 2422 days ago · 23 km deep · 59 km away
57. 2.2123 km SSW of Atka, AlaskaWed, Feb 12, 11:33 PM HAST · 2422 days ago · 26 km deep · 55 km away
58. 5.0119 km SSW of Atka, AlaskaThu, Feb 13, 5:26 AM HAST · 2421 days ago · 24 km deep · 50 km away
59. 4.1129 km SSW of Atka, AlaskaThu, Feb 13, 5:29 AM HAST · 2421 days ago · 10 km deep · 65 km away
60. 4.1129 km SSW of Atka, AlaskaThu, Feb 13, 5:30 AM HAST · 2421 days ago · 21 km deep · 63 km away

The first 60 of 167.

Before

1. 1.537 km WSW of Atka, AlaskaSun, Jan 19, 11:18 PM HAST · 2446 days ago · 25 km deep · 55 km away
2. 1.539 km SSE of Adak, AlaskaSun, Jan 19, 4:19 PM HAST · 2446 days ago · 35 km deep · 81 km away
3. 1.757 km SE of Adak, AlaskaSun, Jan 19, 11:17 AM HAST · 2446 days ago · 27 km deep · 58 km away
4. 2.765 km SE of Adak, AlaskaSun, Jan 19, 1:45 AM HAST · 2447 days ago · 28 km deep · 66 km away
5. 2.288 km SW of Atka, AlaskaSat, Jan 18, 11:39 PM HAST · 2447 days ago · 35 km deep · 4 km away
6. 2.432 km S of Atka, AlaskaSat, Jan 18, 4:25 PM HAST · 2447 days ago · 72 km deep · 76 km away
7. 1.841 km ENE of Adak, AlaskaSat, Jan 18, 2:58 PM HAST · 2447 days ago · 4 km deep · 76 km away
8. 1.841 km ENE of Adak, AlaskaSat, Jan 18, 2:57 PM HAST · 2447 days ago · 4 km deep · 76 km away
9. 1.539 km ENE of Adak, AlaskaSat, Jan 18, 2:46 PM HAST · 2447 days ago · 5 km deep · 75 km away
10. 1.539 km ENE of Adak, AlaskaSat, Jan 18, 2:46 PM HAST · 2447 days ago · 5 km deep · 75 km away
11. 2.182 km SE of Adak, AlaskaSat, Jan 18, 9:33 AM HAST · 2447 days ago · 21 km deep · 42 km away
12. 2.867 km ESE of Adak, AlaskaSat, Jan 18, 6:58 AM HAST · 2447 days ago · 43 km deep · 38 km away
13. 1.849 km SSE of Adak, AlaskaFri, Jan 17, 9:50 PM HAST · 2448 days ago · 24 km deep · 77 km away
14. 2.1105 km ESE of Adak, AlaskaFri, Jan 17, 9:10 PM HAST · 2448 days ago · 26 km deep · 30 km away
15. 1.541 km ENE of Adak, AlaskaFri, Jan 17, 7:50 PM HAST · 2448 days ago · 17 km deep · 72 km away
16. 3.491 km SW of Atka, AlaskaFri, Jan 17, 11:32 AM HAST · 2448 days ago · 29 km deep · 4 km away
17. 1.989 km SW of Atka, AlaskaFri, Jan 17, 7:11 AM HAST · 2448 days ago · 21 km deep · 5 km away
18. 4.787 km SW of Atka, AlaskaFri, Jan 17, 4:13 AM HAST · 2448 days ago · 42 km deep · 5 km away · felt by 1
19. 2.954 km SSE of Adak, AlaskaWed, Jan 15, 4:27 PM HAST · 2450 days ago · 34 km deep · 86 km away
20. 2.460 km SSE of Adak, AlaskaWed, Jan 15, 2:36 AM HAST · 2451 days ago · 26 km deep · 70 km away

From the USGS Earthquake Hazards Program and its partner networks, event us60007bdi (also filed as ak020xca7mq). Read Thu, Oct 1, 2026, 1:32 AM UTC.