M2.8 earthquake 16 km S of Atka, Alaska

Magnitude

2.8 (ML, local (Richter)), micro

Magnitude from

USGS National Earthquake Information Center

Local time

Sat, Jul 20, 2024, 12:04 AM HADT

UTC

2024-07-20 09:04:17 UTC

Depth

86.8 km (53.9 mi), intermediate-depth

Epicenter

52.050° N, 174.215° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 7.9 km horizontally, 11.8 km in depth

Magnitude uncertainty

±0.12

Depth from

From location

Station coverage gap

247°, poorly surrounded by stations

Stations used

13

After

1. 1.831 km ESE of Atka, AlaskaSat, Jul 20, 7:58 AM HADT · 803 days ago · 9 km deep · 31 km away
2. 3.515 km WNW of Atka, AlaskaSun, Jul 21, 4:53 PM HADT · 802 days ago · 190 km deep · 26 km away
3. 2.780 km NNW of Atka, AlaskaMon, Jul 22, 6:18 AM HADT · 801 days ago · 150 km deep · 95 km away
4. 2.642 km N of Atka, AlaskaMon, Jul 22, 8:20 PM HADT · 801 days ago · 166 km deep · 58 km away
5. 2.736 km NNW of Atka, AlaskaTue, Jul 23, 2:53 AM HADT · 800 days ago · 202 km deep · 53 km away
6. 2.071 km WSW of Atka, AlaskaTue, Jul 23, 7:47 AM HADT · 800 days ago · 64 km deep · 66 km away
7. 1.941 km SSW of Atka, AlaskaWed, Jul 24, 12:17 AM HADT · 799 days ago · 25 km deep · 27 km away
8. 1.842 km S of Atka, AlaskaWed, Jul 24, 6:28 AM HADT · 799 days ago · 79 km deep · 27 km away
9. 1.949 km SSE of Atka, AlaskaWed, Jul 24, 6:36 AM HADT · 799 days ago · 50 km deep · 36 km away
10. 1.743 km S of Atka, AlaskaWed, Jul 24, 7:45 AM HADT · 799 days ago · 50 km deep · 28 km away
11. 2.080 km SE of Atka, AlaskaWed, Jul 24, 8:02 AM HADT · 799 days ago · 50 km deep · 74 km away
12. 2.938 km SE of Atka, AlaskaWed, Jul 24, 8:07 AM HADT · 799 days ago · 10 km deep · 33 km away
13. 1.830 km ESE of Atka, AlaskaWed, Jul 24, 10:39 AM HADT · 799 days ago · 12 km deep · 29 km away
14. 1.732 km ESE of Atka, AlaskaWed, Jul 24, 11:14 AM HADT · 799 days ago · 8 km deep · 31 km away
15. 1.736 km ESE of Atka, AlaskaWed, Jul 24, 11:15 AM HADT · 799 days ago · 13 km deep · 36 km away
16. 1.835 km ESE of Atka, AlaskaWed, Jul 24, 11:28 AM HADT · 799 days ago · 10 km deep · 35 km away
17. 1.630 km ESE of Atka, AlaskaWed, Jul 24, 9:36 PM HADT · 798 days ago · 12 km deep · 31 km away
18. 2.948 km ESE of Atka, AlaskaThu, Jul 25, 12:49 AM HADT · 798 days ago · 10 km deep · 44 km away
19. 1.733 km ESE of Atka, AlaskaThu, Jul 25, 1:02 AM HADT · 798 days ago · 16 km deep · 34 km away
20. 1.749 km E of Atka, AlaskaThu, Jul 25, 1:40 AM HADT · 798 days ago · 19 km deep · 51 km away
21. 2.945 km ESE of Atka, AlaskaThu, Jul 25, 1:49 AM HADT · 798 days ago · 11 km deep · 43 km away
22. 1.942 km ESE of Atka, AlaskaThu, Jul 25, 1:51 AM HADT · 798 days ago · 5 km deep · 40 km away
23. 1.631 km ESE of Atka, AlaskaThu, Jul 25, 1:59 AM HADT · 798 days ago · 10 km deep · 30 km away
24. 2.844 km ESE of Atka, AlaskaThu, Jul 25, 2:10 AM HADT · 798 days ago · 8 km deep · 39 km away
25. 2.742 km ESE of Atka, AlaskaThu, Jul 25, 2:33 AM HADT · 798 days ago · 11 km deep · 38 km away
26. 2.140 km NNW of Atka, AlaskaThu, Jul 25, 9:54 AM HADT · 798 days ago · 179 km deep · 55 km away
27. 1.767 km ENE of Atka, AlaskaThu, Jul 25, 4:06 PM HADT · 798 days ago · 8 km deep · 75 km away
28. 2.210 km NNE of Atka, AlaskaThu, Jul 25, 7:51 PM HADT · 798 days ago · 187 km deep · 26 km away
29. 1.856 km E of Atka, AlaskaFri, Jul 26, 2:45 AM HADT · 797 days ago · 83 km deep · 57 km away
30. 2.269 km NNW of Atka, AlaskaFri, Jul 26, 6:02 AM HADT · 797 days ago · 171 km deep · 85 km away
31. 1.670 km S of Atka, AlaskaFri, Jul 26, 6:37 AM HADT · 797 days ago · 19 km deep · 54 km away
32. 1.627 km ESE of Atka, AlaskaFri, Jul 26, 10:06 AM HADT · 797 days ago · 7 km deep · 26 km away
33. 2.979 km NNW of Atka, AlaskaFri, Jul 26, 1:25 PM HADT · 797 days ago · 212 km deep · 93 km away
34. 3.347 km ESE of Atka, AlaskaSat, Jul 27, 12:08 PM HADT · 796 days ago · 10 km deep · 43 km away
35. 3.850 km NNW of Atka, AlaskaSat, Jul 27, 3:39 PM HADT · 796 days ago · 200 km deep · 65 km away
36. 3.030 km S of Atka, AlaskaSun, Jul 28, 2:52 AM HADT · 795 days ago · 212 km deep · 15 km away
37. 2.029 km S of Atka, AlaskaSun, Jul 28, 8:26 AM HADT · 795 days ago · 59 km deep · 13 km away
38. 2.735 km NW of Atka, AlaskaSun, Jul 28, 5:43 PM HADT · 795 days ago · 168 km deep · 49 km away
39. 3.889 km SW of Atka, AlaskaSun, Jul 28, 7:05 PM HADT · 795 days ago · 30 km deep · 78 km away
40. 4.829 km SW of Atka, AlaskaSun, Jul 28, 7:49 PM HADT · 795 days ago · 70 km deep · 21 km away · felt by 2 · tsunami flag
41. 1.644 km SSW of Atka, AlaskaSun, Jul 28, 9:16 PM HADT · 795 days ago · 49 km deep · 30 km away
42. 1.788 km SW of Atka, AlaskaSun, Jul 28, 10:53 PM HADT · 794 days ago · 18 km deep · 75 km away
43. 2.367 km ESE of Atka, AlaskaMon, Jul 29, 4:53 PM HADT · 794 days ago · 72 km deep · 65 km away
44. 1.748 km W of Atka, AlaskaTue, Jul 30, 4:24 AM HADT · 793 days ago · 98 km deep · 49 km away
45. 1.865 km ENE of Atka, AlaskaTue, Jul 30, 11:07 AM HADT · 793 days ago · 16 km deep · 73 km away
46. 1.540 km ESE of Atka, AlaskaTue, Jul 30, 1:11 PM HADT · 793 days ago · 9 km deep · 38 km away
47. 3.143 km E of Atka, AlaskaWed, Jul 31, 4:55 PM HADT · 792 days ago · 21 km deep · 46 km away
48. 1.846 km ESE of Atka, AlaskaThu, Aug 1, 11:01 AM HADT · 791 days ago · 19 km deep · 46 km away
49. 2.627 km WNW of Atka, AlaskaThu, Aug 1, 6:33 PM HADT · 791 days ago · 182 km deep · 36 km away
50. 1.839 km ESE of Atka, AlaskaSat, Aug 3, 3:31 PM HADT · 789 days ago · 13 km deep · 39 km away
51. 2.630 km WNW of Atka, AlaskaSat, Aug 3, 10:24 PM HADT · 788 days ago · 219 km deep · 41 km away
52. 1.831 km ESE of Atka, AlaskaSun, Aug 4, 11:12 AM HADT · 788 days ago · 4 km deep · 29 km away
53. 3.047 km SE of Atka, AlaskaSun, Aug 4, 7:20 PM HADT · 788 days ago · 10 km deep · 41 km away
54. 2.033 km ESE of Atka, AlaskaSun, Aug 4, 7:45 PM HADT · 788 days ago · 6 km deep · 30 km away
55. 2.844 km NE of Atka, AlaskaSun, Aug 4, 8:12 PM HADT · 788 days ago · 156 km deep · 59 km away
56. 2.1111 km SSE of Atka, AlaskaSun, Aug 4, 9:55 PM HADT · 787 days ago · 2 km deep · 96 km away
57. 3.642 km SE of Atka, AlaskaSun, Aug 4, 11:15 PM HADT · 787 days ago · 10 km deep · 36 km away
58. 2.841 km SE of Atka, AlaskaSun, Aug 4, 11:23 PM HADT · 787 days ago · 10 km deep · 36 km away
59. 2.435 km ESE of Atka, AlaskaSun, Aug 4, 11:27 PM HADT · 787 days ago · 7 km deep · 33 km away
60. 2.132 km ESE of Atka, AlaskaSun, Aug 4, 11:27 PM HADT · 787 days ago · 6 km deep · 29 km away

The first 60 of 187.

Before

1. 2.129 km SSW of Atka, AlaskaThu, Jul 18, 3:43 PM HADT · 805 days ago · 64 km deep · 16 km away
2. 1.557 km SSW of Atka, AlaskaThu, Jul 18, 6:46 AM HADT · 805 days ago · 57 km deep · 43 km away
3. 3.520 km S of Atka, AlaskaWed, Jul 17, 11:51 PM HADT · 805 days ago · 85 km deep · 4 km away
4. 2.366 km ESE of Atka, AlaskaWed, Jul 17, 11:30 PM HADT · 805 days ago · 45 km deep · 64 km away
5. 1.667 km SW of Atka, AlaskaWed, Jul 17, 11:38 AM HADT · 806 days ago · 42 km deep · 57 km away
6. 2.983 km SE of Atka, AlaskaWed, Jul 17, 6:35 AM HADT · 806 days ago · 35 km deep · 73 km away
7. 1.527 km ESE of Atka, AlaskaWed, Jul 17, 1:15 AM HADT · 806 days ago · 4 km deep · 25 km away
8. 2.542 km SE of Atka, AlaskaTue, Jul 16, 6:20 PM HADT · 807 days ago · 12 km deep · 37 km away
9. 2.539 km SE of Atka, AlaskaTue, Jul 16, 6:05 PM HADT · 807 days ago · 6 km deep · 31 km away
10. 1.935 km ESE of Atka, AlaskaTue, Jul 16, 5:57 PM HADT · 807 days ago · 9 km deep · 34 km away
11. 2.119 km S of Atka, AlaskaTue, Jul 16, 5:07 AM HADT · 807 days ago · 180 km deep · 3 km away
12. 1.538 km ESE of Atka, AlaskaTue, Jul 16, 2:25 AM HADT · 807 days ago · 7 km deep · 38 km away
13. 1.631 km ESE of Atka, AlaskaTue, Jul 16, 2:13 AM HADT · 807 days ago · 6 km deep · 29 km away
14. 1.671 km ENE of Adak, AlaskaMon, Jul 15, 10:06 PM HADT · 807 days ago · 87 km deep · 98 km away
15. 1.755 km SE of Atka, AlaskaMon, Jul 15, 1:34 PM HADT · 808 days ago · 16 km deep · 47 km away
16. 1.541 km E of Atka, AlaskaMon, Jul 15, 10:00 AM HADT · 808 days ago · 19 km deep · 43 km away
17. 1.829 km ESE of Atka, AlaskaMon, Jul 15, 8:29 AM HADT · 808 days ago · 11 km deep · 28 km away
18. 2.167 km ESE of Atka, AlaskaMon, Jul 15, 5:03 AM HADT · 808 days ago · 80 km deep · 66 km away
19. 1.711 km SSE of Atka, AlaskaMon, Jul 15, 3:24 AM HADT · 808 days ago · 72 km deep · 7 km away
20. 1.657 km WSW of Atka, AlaskaSun, Jul 14, 4:22 PM HADT · 809 days ago · 74 km deep · 52 km away

From the USGS Earthquake Hazards Program and its partner networks, event us6000npdi (also filed as ak0249a7xwi3). Read Thu, Oct 1, 2026, 5:59 PM UTC.