M1.6 earthquake 20 km ESE of Atka, Alaska

Magnitude

1.6 (ml), micro

Local time

Fri, Jan 3, 2020, 5:31 PM HAST

UTC

2020-01-04 03:31:52 UTC

Depth

13.6 km (8.5 mi), shallow

Epicenter

52.112° N, 173.942° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.5 km horizontally, 2.7 km in depth

Magnitude uncertainty

±0.17

Depth from

From location

Station coverage gap

315°, poorly surrounded by stations

Stations used

5

After

1. 2.287 km SE of Atka, AlaskaSat, Jan 4, 2:49 PM HAST · 2461 days ago · 17 km deep · 70 km away
2. 1.946 km WSW of Atka, AlaskaSat, Jan 4, 4:32 PM HAST · 2461 days ago · 74 km deep · 59 km away
3. 2.4105 km E of Atka, AlaskaMon, Jan 6, 3:13 AM HAST · 2460 days ago · 116 km deep · 91 km away
4. 2.738 km S of Atka, AlaskaMon, Jan 6, 10:57 PM HAST · 2459 days ago · 81 km deep · 38 km away
5. 2.272 km SE of Atka, AKTue, Jan 7, 12:52 AM HAST · 2459 days ago · 22 km deep · 55 km away
6. 2.234 km ESE of Atka, AlaskaWed, Jan 8, 1:27 AM HAST · 2458 days ago · 10 km deep · 15 km away
7. 2.033 km SSE of Atka, AlaskaWed, Jan 8, 8:16 PM HAST · 2457 days ago · 67 km deep · 26 km away
8. 1.715 km SSW of Atka, AlaskaWed, Jan 8, 9:20 PM HAST · 2457 days ago · 11 km deep · 23 km away
9. 2.387 km SW of Atka, AlaskaSat, Jan 11, 7:32 PM HAST · 2454 days ago · 27 km deep · 94 km away
10. 1.759 km S of Atka, AlaskaMon, Jan 13, 2:15 PM HAST · 2452 days ago · 11 km deep · 56 km away
11. 4.787 km SW of Atka, AlaskaFri, Jan 17, 4:13 AM HAST · 2448 days ago · 42 km deep · 97 km away · felt by 1
12. 1.989 km SW of Atka, AlaskaFri, Jan 17, 7:11 AM HAST · 2448 days ago · 21 km deep · 99 km away
13. 3.491 km SW of Atka, AlaskaFri, Jan 17, 11:32 AM HAST · 2448 days ago · 29 km deep · 100 km away
14. 2.432 km S of Atka, AlaskaSat, Jan 18, 4:25 PM HAST · 2447 days ago · 72 km deep · 28 km away
15. 2.288 km SW of Atka, AlaskaSat, Jan 18, 11:39 PM HAST · 2447 days ago · 35 km deep · 98 km away
16. 2.152 km E of Atka, AlaskaSun, Jan 19, 7:25 PM HAST · 2446 days ago · 15 km deep · 36 km away
17. 1.537 km WSW of Atka, AlaskaSun, Jan 19, 11:18 PM HAST · 2446 days ago · 25 km deep · 51 km away
18. 2.571 km NNE of Atka, AlaskaWed, Jan 22, 12:21 AM HAST · 2444 days ago · 165 km deep · 79 km away
19. 3.744 km ENE of Atka, AlaskaFri, Jan 24, 12:48 PM HAST · 2441 days ago · 179 km deep · 35 km away
20. 2.744 km W of Atka, AlaskaSun, Jan 26, 11:34 PM HAST · 2439 days ago · 14 km deep · 62 km away
21. 2.284 km SE of Atka, AKTue, Jan 28, 3:57 PM HAST · 2437 days ago · 12 km deep · 67 km away
22. 3.225 km WNW of Atka, AlaskaThu, Jan 30, 2:57 AM HAST · 2436 days ago · 226 km deep · 46 km away
23. 1.889 km SW of Atka, AlaskaFri, Jan 31, 12:44 PM HAST · 2434 days ago · 17 km deep · 98 km away
24. 2.389 km ESE of Atka, AlaskaMon, Feb 3, 6:04 PM HAST · 2431 days ago · 41 km deep · 69 km away
25. 2.036 km SSE of Atka, AlaskaWed, Feb 5, 6:13 PM HAST · 2429 days ago · 21 km deep · 24 km away
26. 2.886 km SE of Atka, AlaskaThu, Feb 6, 5:17 PM HAST · 2428 days ago · 20 km deep · 68 km away
27. 2.049 km SW of Atka, AlaskaSat, Feb 8, 10:25 PM HAST · 2426 days ago · 37 km deep · 58 km away
28. 2.031 km ESE of Atka, AlaskaSun, Feb 9, 5:30 PM HAST · 2425 days ago · 15 km deep · 11 km away
29. 1.674 km WSW of Atka, AlaskaTue, Feb 11, 1:12 PM HAST · 2423 days ago · 47 km deep · 86 km away
30. 1.838 km SSW of Atka, AlaskaTue, Feb 11, 1:22 PM HAST · 2423 days ago · 26 km deep · 43 km away
31. 2.335 km ESE of Atka, AlaskaThu, Feb 13, 4:09 PM HAST · 2421 days ago · 6 km deep · 15 km away
32. 2.338 km ESE of Atka, AlaskaThu, Feb 13, 4:17 PM HAST · 2421 days ago · 6 km deep · 19 km away
33. 3.094 km E of Atka, AlaskaThu, Feb 13, 9:34 PM HAST · 2421 days ago · 112 km deep · 76 km away
34. 2.666 km SSW of Atka, AlaskaSat, Feb 15, 12:56 PM HAST · 2419 days ago · 69 km deep · 69 km away
35. 2.422 km ESE of Atka, AlaskaSat, Feb 15, 9:38 PM HAST · 2419 days ago · 170 km deep · 6 km away
36. 2.7103 km ENE of Atka, AlaskaSat, Feb 15, 10:28 PM HAST · 2419 days ago · 117 km deep · 90 km away
37. 1.840 km SSW of Atka, AlaskaSun, Feb 16, 10:24 PM HAST · 2418 days ago · 66 km deep · 46 km away
38. 1.786 km SW of Atka, AlaskaMon, Feb 17, 5:59 PM HAST · 2417 days ago · 26 km deep · 95 km away
39. 2.178 km SSW of Atka, AlaskaWed, Feb 19, 3:44 PM HAST · 2415 days ago · 26 km deep · 80 km away
40. 2.031 km S of Atka, AlaskaThu, Feb 20, 6:50 PM HAST · 2414 days ago · 61 km deep · 29 km away
41. 2.369 km E of Atka, AlaskaThu, Feb 20, 11:01 PM HAST · 2414 days ago · 100 km deep · 54 km away
42. 2.840 km SW of Atka, AlaskaFri, Feb 21, 2:59 PM HAST · 2413 days ago · 80 km deep · 47 km away
43. 3.253 km S of Atka, AlaskaSat, Feb 22, 2:32 PM HAST · 2412 days ago · 35 km deep · 47 km away
44. 3.571 km E of Atka, AlaskaSat, Feb 22, 10:30 PM HAST · 2412 days ago · 10 km deep · 54 km away
45. 1.718 km SW of Atka, AlaskaThu, Feb 27, 8:55 AM HAST · 2407 days ago · 71 km deep · 32 km away
46. 2.946 km W of Atka, AlaskaFri, Feb 28, 1:49 AM HAST · 2407 days ago · 110 km deep · 65 km away
47. 2.842 km SSE of Atka, AlaskaFri, Feb 28, 8:58 PM HAST · 2406 days ago · 59 km deep · 27 km away
48. 2.959 km SSW of Atka, AlaskaSun, Mar 1, 1:56 AM HAST · 2405 days ago · 28 km deep · 62 km away
49. 2.496 km SSE of Atka, AlaskaMon, Mar 2, 10:03 PM HAST · 2403 days ago · 25 km deep · 81 km away

Before

1. 1.847 km WSW of Atka, AlaskaThu, Jan 2, 7:29 PM HAST · 2463 days ago · 78 km deep · 63 km away
2. 2.047 km SSW of Atka, AlaskaTue, Dec 31, 7:46 AM HAST · 2465 days ago · 36 km deep · 52 km away
3. 1.886 km SW of Atka, AlaskaTue, Dec 31, 4:00 AM HAST · 2466 days ago · 26 km deep · 96 km away
4. 2.558 km SE of Atka, AlaskaSat, Dec 28, 7:20 PM HAST · 2468 days ago · 13 km deep · 41 km away
5. 2.9109 km S of Atka, AlaskaFri, Dec 27, 11:03 PM HAST · 2469 days ago · 13 km deep · 100 km away
6. 2.167 km E of Atka, AlaskaWed, Dec 25, 6:41 PM HAST · 2471 days ago · 91 km deep · 51 km away
7. 4.481 km SE of Atka, AlaskaSat, Dec 21, 6:33 PM HAST · 2475 days ago · 35 km deep · 64 km away
8. 2.973 km W of Atka, AlaskaFri, Dec 20, 9:24 AM HAST · 2476 days ago · 249 km deep · 92 km away
9. 2.456 km SSW of Atka, AlaskaThu, Dec 19, 4:55 PM HAST · 2477 days ago · 24 km deep · 61 km away
10. 1.889 km SW of Atka, AlaskaWed, Dec 18, 10:10 PM HAST · 2478 days ago · 37 km deep · 99 km away
11. 2.072 km SSE of Atka, AlaskaWed, Dec 18, 5:30 PM HAST · 2478 days ago · 22 km deep · 61 km away
12. 2.724 km W of Atka, AlaskaTue, Dec 17, 6:35 PM HAST · 2479 days ago · 35 km deep · 43 km away
13. 1.889 km SW of Atka, AlaskaMon, Dec 16, 7:46 PM HAST · 2480 days ago · 26 km deep · 96 km away
14. 2.273 km W of Atka, AlaskaMon, Dec 16, 1:06 AM HAST · 2481 days ago · 135 km deep · 91 km away
15. 2.071 km SW of Atka, AKSun, Dec 15, 12:06 PM HAST · 2481 days ago · 42 km deep · 80 km away
16. 2.185 km WSW of Atka, AlaskaSat, Dec 14, 7:11 PM HAST · 2482 days ago · 69 km deep · 100 km away
17. 1.769 km SW of Atka, AlaskaFri, Dec 13, 3:59 PM HAST · 2483 days ago · 21 km deep · 78 km away
18. 2.068 km ESE of Atka, AlaskaFri, Dec 13, 12:55 AM HAST · 2484 days ago · 81 km deep · 49 km away
19. 1.683 km SW of Atka, AlaskaThu, Dec 12, 7:02 PM HAST · 2484 days ago · 47 km deep · 90 km away
20. 1.864 km SSW of Atka, AlaskaWed, Dec 11, 3:44 PM HAST · 2485 days ago · 41 km deep · 66 km away

From the USGS Earthquake Hazards Program and its partner networks, event av70862939. Read Thu, Oct 1, 2026, 1:33 AM UTC.