M3.4 earthquake 91 km SW of Atka, Alaska

Magnitude

3.4 (ml), minor

Local time

Fri, Jan 17, 2020, 11:32 AM HAST

UTC

2020-01-17 21:32:56 UTC

Depth

29.2 km (18.1 mi), shallow

Epicenter

51.640° N, 175.182° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 3.5 km horizontally, 12.2 km in depth

Depth from

From location

Station coverage gap

199°, poorly surrounded by stations

Stations used

31

After

1. 1.541 km ENE of Adak, AlaskaFri, Jan 17, 7:50 PM HAST · 2448 days ago · 17 km deep · 76 km away
2. 2.1105 km ESE of Adak, AlaskaFri, Jan 17, 9:10 PM HAST · 2448 days ago · 26 km deep · 28 km away
3. 1.849 km SSE of Adak, AlaskaFri, Jan 17, 9:50 PM HAST · 2448 days ago · 24 km deep · 80 km away
4. 2.867 km ESE of Adak, AlaskaSat, Jan 18, 6:58 AM HAST · 2447 days ago · 43 km deep · 40 km away
5. 2.182 km SE of Adak, AlaskaSat, Jan 18, 9:33 AM HAST · 2447 days ago · 21 km deep · 42 km away
6. 1.539 km ENE of Adak, AlaskaSat, Jan 18, 2:46 PM HAST · 2447 days ago · 5 km deep · 79 km away
7. 1.539 km ENE of Adak, AlaskaSat, Jan 18, 2:46 PM HAST · 2447 days ago · 5 km deep · 79 km away
8. 1.841 km ENE of Adak, AlaskaSat, Jan 18, 2:57 PM HAST · 2447 days ago · 4 km deep · 80 km away
9. 1.841 km ENE of Adak, AlaskaSat, Jan 18, 2:58 PM HAST · 2447 days ago · 4 km deep · 80 km away
10. 2.432 km S of Atka, AlaskaSat, Jan 18, 4:25 PM HAST · 2447 days ago · 72 km deep · 74 km away
11. 2.288 km SW of Atka, AlaskaSat, Jan 18, 11:39 PM HAST · 2447 days ago · 35 km deep · 7 km away
12. 2.765 km SE of Adak, AlaskaSun, Jan 19, 1:45 AM HAST · 2447 days ago · 28 km deep · 67 km away
13. 1.757 km SE of Adak, AlaskaSun, Jan 19, 11:17 AM HAST · 2446 days ago · 27 km deep · 60 km away
14. 1.539 km SSE of Adak, AlaskaSun, Jan 19, 4:19 PM HAST · 2446 days ago · 35 km deep · 84 km away
15. 1.537 km WSW of Atka, AlaskaSun, Jan 19, 11:18 PM HAST · 2446 days ago · 25 km deep · 55 km away
16. 4.492 km SW of Atka, AlaskaMon, Jan 20, 6:02 AM HAST · 2445 days ago · 42 km deep · 4 km away
17. 2.056 km S of Adak, AlaskaTue, Jan 21, 12:56 PM HAST · 2444 days ago · 26 km deep · 94 km away
18. 2.662 km S of Adak, AlaskaThu, Jan 23, 1:03 PM HAST · 2442 days ago · 35 km deep · 97 km away
19. 2.493 km SW of Atka, AlaskaFri, Jan 24, 4:42 AM HAST · 2441 days ago · 26 km deep · 3 km away
20. 3.146 km ENE of Adak, AlaskaFri, Jan 24, 1:55 PM HAST · 2441 days ago · 135 km deep · 66 km away
21. 2.469 km E of Adak, AlaskaSat, Jan 25, 2:26 AM HAST · 2441 days ago · 71 km deep · 40 km away
22. 2.897 km SW of Atka, AlaskaSat, Jan 25, 10:39 AM HAST · 2440 days ago · 35 km deep · 7 km away
23. 2.744 km W of Atka, AlaskaSun, Jan 26, 11:34 PM HAST · 2439 days ago · 14 km deep · 60 km away
24. 1.658 km SSE of Adak, AlaskaWed, Jan 29, 9:48 PM HAST · 2436 days ago · 24 km deep · 73 km away
25. 2.042 km ENE of Adak, AlaskaThu, Jan 30, 1:33 AM HAST · 2436 days ago · 7 km deep · 77 km away
26. 2.341 km ENE of Adak, AlaskaThu, Jan 30, 2:17 AM HAST · 2436 days ago · 5 km deep · 80 km away
27. 3.225 km WNW of Atka, AlaskaThu, Jan 30, 2:57 AM HAST · 2436 days ago · 226 km deep · 84 km away
28. 2.172 km SE of Adak, AlaskaThu, Jan 30, 8:43 AM HAST · 2435 days ago · 35 km deep · 52 km away
29. 1.9Andreanof Islands, Aleutian Islands, AlaskaThu, Jan 30, 10:00 PM HAST · 2435 days ago · 22 km deep · 73 km away
30. 1.757 km SSE of Adak, AlaskaFri, Jan 31, 6:20 AM HAST · 2434 days ago · 25 km deep · 75 km away
31. 2.079 km SE of Adak, AlaskaFri, Jan 31, 9:23 AM HAST · 2434 days ago · 25 km deep · 42 km away
32. 1.889 km SW of Atka, AlaskaFri, Jan 31, 12:44 PM HAST · 2434 days ago · 17 km deep · 2 km away
33. 2.138 km ENE of Adak, AlaskaFri, Jan 31, 12:52 PM HAST · 2434 days ago · 18 km deep · 82 km away
34. 2.351 km SE of Adak, AlaskaFri, Jan 31, 4:24 PM HAST · 2434 days ago · 26 km deep · 69 km away
35. 1.832 km ESE of Adak, AlaskaSat, Feb 1, 6:25 PM HAST · 2433 days ago · 70 km deep · 70 km away
36. 2.423 km S of Adak, AlaskaSun, Feb 2, 2:09 AM HAST · 2433 days ago · 60 km deep · 97 km away
37. 1.541 km ENE of Adak, AlaskaSun, Feb 2, 3:06 PM HAST · 2432 days ago · 5 km deep · 79 km away
38. 2.1120 km SSW of Atka, AlaskaSun, Feb 2, 5:09 PM HAST · 2432 days ago · 14 km deep · 46 km away
39. 2.058 km SE of Adak, AlaskaMon, Feb 3, 11:44 AM HAST · 2431 days ago · 26 km deep · 62 km away
40. 1.862 km ESE of Adak, AlaskaMon, Feb 3, 6:57 PM HAST · 2431 days ago · 33 km deep · 44 km away
41. 3.584 km WNW of Atka, AlaskaTue, Feb 4, 12:16 AM HAST · 2431 days ago · 233 km deep · 90 km away
42. 2.881 km E of Adak, AlaskaWed, Feb 5, 12:24 AM HAST · 2430 days ago · 92 km deep · 45 km away
43. 3.381 km ESE of Adak, AlaskaWed, Feb 5, 1:03 AM HAST · 2430 days ago · 53 km deep · 27 km away
44. 2.462 km SE of Adak, AlaskaWed, Feb 5, 1:30 AM HAST · 2430 days ago · 32 km deep · 55 km away
45. 2.560 km SSE of Adak, AlaskaWed, Feb 5, 4:04 AM HAST · 2430 days ago · 28 km deep · 79 km away
46. 4.190 km SSE of Adak, AlaskaWed, Feb 5, 1:35 PM HAST · 2429 days ago · 35 km deep · 86 km away
47. 1.9112 km SSW of Atka, AlaskaWed, Feb 5, 3:50 PM HAST · 2429 days ago · 14 km deep · 39 km away
48. 2.036 km SSE of Atka, AlaskaWed, Feb 5, 6:13 PM HAST · 2429 days ago · 21 km deep · 87 km away
49. 1.570 km ENE of Adak, AlaskaWed, Feb 5, 9:23 PM HAST · 2429 days ago · 17 km deep · 64 km away
50. 1.743 km S of Adak, AlaskaThu, Feb 6, 11:04 AM HAST · 2428 days ago · 28 km deep · 100 km away
51. 1.540 km ENE of Adak, AlaskaThu, Feb 6, 5:03 PM HAST · 2428 days ago · 5 km deep · 81 km away
52. 1.541 km ENE of Adak, AlaskaSat, Feb 8, 5:22 AM HAST · 2426 days ago · 5 km deep · 81 km away
53. 1.541 km ENE of Adak, AlaskaSat, Feb 8, 8:31 AM HAST · 2426 days ago · 4 km deep · 80 km away
54. 2.049 km SW of Atka, AlaskaSat, Feb 8, 10:25 PM HAST · 2426 days ago · 37 km deep · 42 km away
55. 1.540 km ENE of Adak, AlaskaSat, Feb 8, 10:33 PM HAST · 2426 days ago · 4 km deep · 80 km away
56. 1.958 km SSE of Adak, AlaskaSun, Feb 9, 6:47 AM HAST · 2425 days ago · 23 km deep · 81 km away
57. 2.9125 km SSW of Atka, AlaskaMon, Feb 10, 7:51 PM HAST · 2424 days ago · 30 km deep · 52 km away
58. 2.6131 km SSW of Atka, AlaskaMon, Feb 10, 7:53 PM HAST · 2424 days ago · 14 km deep · 58 km away
59. 2.074 km SE of Adak, AlaskaMon, Feb 10, 11:19 PM HAST · 2424 days ago · 23 km deep · 56 km away
60. 1.674 km WSW of Atka, AlaskaTue, Feb 11, 1:12 PM HAST · 2423 days ago · 47 km deep · 25 km away

The first 60 of 179.

Before

1. 1.989 km SW of Atka, AlaskaFri, Jan 17, 7:11 AM HAST · 2448 days ago · 21 km deep · 9 km away
2. 4.787 km SW of Atka, AlaskaFri, Jan 17, 4:13 AM HAST · 2448 days ago · 42 km deep · 7 km away · felt by 1
3. 2.954 km SSE of Adak, AlaskaWed, Jan 15, 4:27 PM HAST · 2450 days ago · 34 km deep · 88 km away
4. 2.460 km SSE of Adak, AlaskaWed, Jan 15, 2:36 AM HAST · 2451 days ago · 26 km deep · 72 km away
5. 3.369 km SE of Adak, AlaskaWed, Jan 15, 2:33 AM HAST · 2451 days ago · 29 km deep · 67 km away
6. 2.691 km WNW of Atka, AlaskaMon, Jan 13, 3:34 PM HAST · 2452 days ago · 210 km deep · 97 km away
7. 1.887 km ESE of Adak, AlaskaMon, Jan 13, 3:29 PM HAST · 2452 days ago · 35 km deep · 34 km away
8. 1.759 km S of Atka, AlaskaMon, Jan 13, 2:15 PM HAST · 2452 days ago · 11 km deep · 58 km away
9. 1.975 km E of Adak, AlaskaMon, Jan 13, 1:07 PM HAST · 2452 days ago · 13 km deep · 29 km away
10. 2.0114 km S of Atka, AlaskaMon, Jan 13, 8:58 AM HAST · 2452 days ago · 25 km deep · 77 km away
11. 1.69 km ENE of Adak, AlaskaMon, Jan 13, 1:57 AM HAST · 2453 days ago · 72 km deep · 96 km away
12. 2.562 km ENE of Adak, AlaskaSun, Jan 12, 2:24 PM HAST · 2453 days ago · 224 km deep · 75 km away
13. 1.888 km ESE of Adak, AlaskaSat, Jan 11, 9:44 PM HAST · 2454 days ago · 18 km deep · 18 km away
14. 2.387 km SW of Atka, AlaskaSat, Jan 11, 7:32 PM HAST · 2454 days ago · 27 km deep · 9 km away
15. 1.961 km SE of Adak, AlaskaSat, Jan 11, 6:40 PM HAST · 2454 days ago · 26 km deep · 57 km away
16. 1.715 km SSW of Atka, AlaskaWed, Jan 8, 9:20 PM HAST · 2457 days ago · 11 km deep · 79 km away
17. 2.033 km SSE of Atka, AlaskaWed, Jan 8, 8:16 PM HAST · 2457 days ago · 67 km deep · 80 km away
18. 2.669 km SSE of Adak, AlaskaWed, Jan 8, 5:20 PM HAST · 2457 days ago · 35 km deep · 70 km away
19. 1.944 km SSE of Adak, AlaskaWed, Jan 8, 3:23 AM HAST · 2458 days ago · 32 km deep · 82 km away
20. 2.169 km ENE of Adak, AlaskaTue, Jan 7, 12:36 PM HAST · 2458 days ago · 143 km deep · 58 km away

From the USGS Earthquake Hazards Program and its partner networks, event us600079j9 (also filed as ak020sgtzcm). Read Thu, Oct 1, 2026, 1:36 AM UTC.