M4.0 earthquake 93 km NE of Adak, Alaska

Magnitude

4.0 (mb, body-wave), light

Magnitude from

USGS National Earthquake Information Center

Local time

Mon, Aug 26, 2019, 7:56 PM HADT

UTC

2019-08-27 04:56:37 UTC

Depth

176.9 km (109.9 mi), intermediate-depth

Epicenter

52.494° N, 175.714° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 10.1 km horizontally, 5.6 km in depth

Magnitude uncertainty

±0.12

Depth from

From location

Station coverage gap

88°

Stations used

58

After

1. 2.629 km WSW of Atka, AlaskaWed, Aug 28, 6:59 AM HADT · 2592 days ago · 10 km deep · 91 km away
2. 2.264 km WSW of Atka, AlaskaWed, Aug 28, 9:43 AM HADT · 2591 days ago · 57 km deep · 77 km away
3. 1.827 km W of Atka, AlaskaWed, Aug 28, 12:31 PM HADT · 2591 days ago · 7 km deep · 82 km away
4. 1.531 km WSW of Atka, AlaskaThu, Aug 29, 1:03 PM HADT · 2590 days ago · 9 km deep · 84 km away
5. 2.361 km WSW of Atka, AlaskaThu, Aug 29, 3:32 PM HADT · 2590 days ago · 73 km deep · 72 km away
6. 1.984 km ESE of Adak, AlaskaThu, Aug 29, 7:31 PM HADT · 2590 days ago · 47 km deep · 94 km away
7. 1.927 km W of Atka, AlaskaFri, Aug 30, 4:47 AM HADT · 2590 days ago · 6 km deep · 85 km away
8. 2.927 km NNW of Atka, AlaskaSun, Sep 1, 12:23 PM HADT · 2587 days ago · 165 km deep · 89 km away
9. 2.476 km ENE of Adak, AlaskaSun, Sep 1, 10:17 PM HADT · 2587 days ago · 145 km deep · 43 km away
10. 2.227 km W of Atka, AlaskaMon, Sep 2, 7:01 AM HADT · 2587 days ago · 70 km deep · 81 km away
11. 1.542 km W of Atka, AlaskaTue, Sep 3, 4:53 PM HADT · 2585 days ago · 78 km deep · 70 km away
12. 2.783 km SW of Atka, AlaskaWed, Sep 4, 1:26 AM HADT · 2585 days ago · 26 km deep · 96 km away
13. 2.049 km ESE of Adak, AlaskaWed, Sep 4, 8:10 AM HADT · 2585 days ago · 46 km deep · 98 km away
14. 2.462 km NW of Atka, AlaskaWed, Sep 4, 8:13 PM HADT · 2584 days ago · 182 km deep · 67 km away
15. 2.329 km NNW of Atka, AlaskaWed, Sep 4, 8:35 PM HADT · 2584 days ago · 149 km deep · 96 km away
16. 1.633 km E of Adak, AlaskaWed, Sep 4, 11:32 PM HADT · 2584 days ago · 69 km deep · 78 km away
17. 1.611 km NE of Adak, AlaskaThu, Sep 5, 1:19 PM HADT · 2583 days ago · 104 km deep · 82 km away
18. 1.874 km SW of Atka, AlaskaFri, Sep 6, 6:59 PM HADT · 2582 days ago · 37 km deep · 92 km away
19. 2.220 km SW of Atka, AlaskaFri, Sep 6, 7:26 PM HADT · 2582 days ago · 39 km deep · 99 km away
20. 1.728 km ENE of Adak, AlaskaFri, Sep 6, 9:56 PM HADT · 2582 days ago · 79 km deep · 68 km away
21. 1.828 km NW of Adak, AlaskaMon, Sep 9, 5:33 PM HADT · 2579 days ago · 191 km deep · 94 km away
22. 2.356 km WSW of Atka, AlaskaMon, Sep 9, 7:43 PM HADT · 2579 days ago · 57 km deep · 80 km away
23. 2.181 km W of Atka, AlaskaMon, Sep 9, 8:43 PM HADT · 2579 days ago · 75 km deep · 51 km away
24. 2.875 km ENE of Adak, AlaskaFri, Sep 13, 1:40 PM HADT · 2575 days ago · 204 km deep · 38 km away
25. 2.693 km NNW of Atka, AlaskaFri, Sep 13, 4:27 PM HADT · 2575 days ago · 159 km deep · 83 km away
26. 2.1Andreanof Islands, Aleutian Islands, AlaskaFri, Sep 13, 7:38 PM HADT · 2575 days ago · 7 km deep · 87 km away
27. 2.332 km NW of Atka, AlaskaSun, Sep 15, 5:43 PM HADT · 2573 days ago · 158 km deep · 78 km away
28. 2.644 km E of Adak, AlaskaMon, Sep 16, 4:52 AM HADT · 2573 days ago · 97 km deep · 65 km away
29. 2.558 km WSW of Atka, AlaskaMon, Sep 16, 8:53 PM HADT · 2572 days ago · 80 km deep · 65 km away
30. 2.358 km N of Adak, AlaskaWed, Sep 18, 7:34 AM HADT · 2571 days ago · 184 km deep · 53 km away
31. 2.093 km ESE of Adak, AlaskaWed, Sep 18, 11:09 AM HADT · 2570 days ago · 44 km deep · 92 km away
32. 1.885 km E of Adak, AlaskaFri, Sep 20, 2:08 PM HADT · 2568 days ago · 70 km deep · 65 km away
33. 2.519 km ESE of Adak, AlaskaSat, Sep 21, 10:30 PM HADT · 2567 days ago · 103 km deep · 91 km away
34. 1.5113 km NW of Atka, AlaskaTue, Sep 24, 2:04 AM HADT · 2565 days ago · 14 km deep · 53 km away
35. 1.9102 km NNW of Adak, AlaskaTue, Sep 24, 9:48 AM HADT · 2564 days ago · 155 km deep · 89 km away
36. 1.587 km E of Adak, AlaskaTue, Sep 24, 12:26 PM HADT · 2564 days ago · 62 km deep · 79 km away
37. 1.657 km ENE of Adak, AlaskaFri, Sep 27, 11:11 AM HADT · 2561 days ago · 9 km deep · 52 km away
38. 1.63 km E of Adak, AlaskaSun, Sep 29, 10:45 PM HADT · 2559 days ago · 99 km deep · 91 km away
39. 2.044 km ESE of Adak, AlaskaMon, Sep 30, 7:46 PM HADT · 2558 days ago · 60 km deep · 83 km away
40. 1.857 km ESE of Adak, AlaskaWed, Oct 2, 3:19 AM HADT · 2557 days ago · 43 km deep · 92 km away
41. 1.952 km ENE of Adak, AlaskaWed, Oct 2, 6:10 AM HADT · 2557 days ago · 120 km deep · 45 km away
42. 2.560 km NE of Adak, AlaskaFri, Oct 4, 11:29 AM HADT · 2554 days ago · 162 km deep · 32 km away
43. 1.535 km ESE of Adak, AlaskaSun, Oct 6, 8:40 AM HADT · 2553 days ago · 72 km deep · 82 km away
44. 2.562 km NNW of Atka, AlaskaMon, Oct 7, 9:36 AM HADT · 2551 days ago · 154 km deep · 91 km away
45. 1.844 km ESE of Adak, AlaskaMon, Oct 7, 4:55 PM HADT · 2551 days ago · 54 km deep · 91 km away
46. 1.554 km W of Atka, AlaskaTue, Oct 8, 5:24 AM HADT · 2551 days ago · 13 km deep · 60 km away
47. 1.843 km WSW of Atka, AlaskaSat, Oct 12, 6:31 PM HADT · 2546 days ago · 13 km deep · 74 km away
48. 2.239 km E of Adak, AlaskaSat, Oct 12, 8:50 PM HADT · 2546 days ago · 159 km deep · 69 km away
49. 1.759 km WSW of Atka, AlaskaSun, Oct 13, 4:31 AM HADT · 2546 days ago · 72 km deep · 65 km away
50. 2.499 km NNW of Atka, AlaskaFri, Oct 18, 7:01 PM HADT · 2540 days ago · 177 km deep · 87 km away
51. 1.966 km ESE of Adak, AlaskaMon, Oct 21, 2:12 AM HADT · 2538 days ago · 27 km deep · 99 km away
52. 2.751 km NNW of Atka, AlaskaWed, Oct 23, 7:25 AM HADT · 2536 days ago · 165 km deep · 80 km away
53. 1.918 km ESE of Adak, AlaskaThu, Oct 24, 11:32 PM HADT · 2534 days ago · 64 km deep · 88 km away

Before

1. 1.527 km W of Atka, AlaskaMon, Aug 26, 7:19 AM HADT · 2594 days ago · 7 km deep · 85 km away
2. 1.967 km SW of Atka, AlaskaMon, Aug 26, 6:08 AM HADT · 2594 days ago · 25 km deep · 93 km away
3. 1.870 km SW of Atka, AlaskaMon, Aug 26, 5:21 AM HADT · 2594 days ago · 22 km deep · 96 km away
4. 1.584 km E of Adak, AlaskaSat, Aug 24, 1:06 PM HADT · 2595 days ago · 48 km deep · 79 km away
5. 2.580 km ESE of Adak, AlaskaThu, Aug 22, 11:56 PM HADT · 2597 days ago · 35 km deep · 91 km away
6. 1.942 km NNW of Adak, AlaskaSun, Aug 18, 1:33 PM HADT · 2601 days ago · 131 km deep · 81 km away
7. 1.638 km NNW of Adak, AlaskaTue, Aug 13, 3:09 AM HADT · 2607 days ago · 149 km deep · 84 km away
8. 2.263 km NNW of Atka, AlaskaMon, Aug 12, 11:45 PM HADT · 2607 days ago · 216 km deep · 73 km away
9. 2.224 km NW of Atka, AlaskaSun, Aug 11, 9:21 PM HADT · 2608 days ago · 172 km deep · 88 km away
10. 2.561 km ENE of Adak, AlaskaSat, Aug 10, 5:41 PM HADT · 2609 days ago · 214 km deep · 52 km away
11. 2.260 km NE of Adak, AlaskaFri, Aug 9, 1:00 AM HADT · 2611 days ago · 153 km deep · 33 km away
12. 1.745 km ESE of Adak, AlaskaThu, Aug 8, 4:42 PM HADT · 2611 days ago · 53 km deep · 96 km away
13. 2.171 km ENE of Adak, AlaskaSun, Aug 4, 9:50 AM HADT · 2615 days ago · 152 km deep · 45 km away
14. 1.749 km SW of Atka, AlaskaSun, Aug 4, 1:12 AM HADT · 2616 days ago · 66 km deep · 89 km away
15. 2.633 km NW of Atka, AlaskaFri, Aug 2, 9:56 PM HADT · 2617 days ago · 174 km deep · 81 km away
16. 2.024 km SW of Atka, AlaskaFri, Aug 2, 6:39 PM HADT · 2617 days ago · 63 km deep · 99 km away
17. 1.949 km ENE of Adak, AlaskaMon, Jul 29, 4:48 PM HADT · 2621 days ago · 132 km deep · 49 km away
18. 1.55 km S of Adak, AlaskaSun, Jul 28, 7:16 PM HADT · 2622 days ago · 72 km deep · 98 km away

From the USGS Earthquake Hazards Program and its partner networks, event us70005bga (also filed as ak019azc5rhy). Read Fri, Oct 2, 2026, 6:02 AM UTC.