M1.8 earthquake 47 km S of Adak, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Tue, Aug 20, 2019, 3:15 PM HADT

UTC

2019-08-21 00:15:48 UTC

Depth

49.4 km (30.7 mi), shallow

Epicenter

51.444° N, 176.645° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

24

After

1. 1.672 km SW of Adak, AlaskaTue, Aug 20, 9:07 PM HADT · 2599 days ago · 44 km deep · 55 km away
2. 1.9109 km SW of Adak, AlaskaWed, Aug 21, 4:27 PM HADT · 2598 days ago · 27 km deep · 84 km away
3. 1.6105 km SW of Adak, AlaskaThu, Aug 22, 7:44 PM HADT · 2597 days ago · 36 km deep · 73 km away
4. 2.580 km ESE of Adak, AlaskaThu, Aug 22, 11:56 PM HADT · 2596 days ago · 35 km deep · 84 km away
5. 2.275 km SW of Adak, AlaskaFri, Aug 23, 9:58 AM HADT · 2596 days ago · 33 km deep · 62 km away
6. 1.869 km SSW of Adak, AlaskaFri, Aug 23, 2:04 PM HADT · 2596 days ago · 29 km deep · 34 km away
7. 1.584 km E of Adak, AlaskaSat, Aug 24, 1:06 PM HADT · 2595 days ago · 48 km deep · 95 km away
8. 1.763 km SE of Adak, AlaskaSun, Aug 25, 3:33 PM HADT · 2594 days ago · 26 km deep · 40 km away
9. 1.655 km SSE of Adak, AlaskaSun, Aug 25, 9:32 PM HADT · 2594 days ago · 23 km deep · 26 km away
10. 1.679 km WSW of Adak, AlaskaSun, Aug 25, 11:18 PM HADT · 2594 days ago · 77 km deep · 79 km away
11. 2.172 km SE of Adak, AlaskaMon, Aug 26, 1:07 PM HADT · 2593 days ago · 35 km deep · 54 km away
12. 1.633 km S of Adak, AlaskaTue, Aug 27, 6:19 AM HADT · 2592 days ago · 39 km deep · 14 km away
13. 1.662 km SW of Adak, AlaskaTue, Aug 27, 6:29 AM HADT · 2592 days ago · 43 km deep · 40 km away
14. 1.569 km SSW of Adak, AlaskaThu, Aug 29, 11:20 AM HADT · 2590 days ago · 26 km deep · 30 km away
15. 2.5136 km SSW of Adak, AlaskaThu, Aug 29, 11:58 AM HADT · 2590 days ago · 10 km deep · 98 km away
16. 2.6136 km SSW of Adak, AlaskaThu, Aug 29, 11:59 AM HADT · 2590 days ago · 10 km deep · 99 km away
17. 3.551 km S of Adak, AlaskaThu, Aug 29, 1:16 PM HADT · 2590 days ago · 45 km deep · 7 km away · felt by 1
18. 2.447 km S of Adak, AlaskaThu, Aug 29, 1:58 PM HADT · 2590 days ago · 35 km deep · 7 km away
19. 1.898 km S of Adak, AlaskaThu, Aug 29, 4:40 PM HADT · 2590 days ago · 42 km deep · 51 km away
20. 1.984 km ESE of Adak, AlaskaThu, Aug 29, 7:31 PM HADT · 2590 days ago · 47 km deep · 86 km away
21. 1.753 km SSE of Adak, AlaskaThu, Aug 29, 7:38 PM HADT · 2590 days ago · 28 km deep · 13 km away
22. 1.9125 km SW of Adak, AlaskaFri, Aug 30, 11:15 AM HADT · 2589 days ago · 40 km deep · 90 km away
23. 3.381 km SE of Adak, AlaskaFri, Aug 30, 3:36 PM HADT · 2589 days ago · 10 km deep · 65 km away
24. 2.598 km SW of Atka, AlaskaSat, Aug 31, 12:06 AM HADT · 2588 days ago · 30 km deep · 97 km away
25. 1.559 km SE of Adak, AlaskaWed, Sep 4, 3:24 AM HADT · 2584 days ago · 26 km deep · 36 km away
26. 2.049 km ESE of Adak, AlaskaWed, Sep 4, 8:10 AM HADT · 2584 days ago · 46 km deep · 48 km away
27. 2.156 km SSW of Adak, AlaskaWed, Sep 4, 11:59 AM HADT · 2584 days ago · 45 km deep · 14 km away
28. 1.797 km ESE of Adak, AlaskaWed, Sep 4, 12:48 PM HADT · 2584 days ago · 35 km deep · 95 km away
29. 1.633 km E of Adak, AlaskaWed, Sep 4, 11:32 PM HADT · 2584 days ago · 69 km deep · 56 km away
30. 1.672 km SSE of Adak, AlaskaThu, Sep 5, 12:23 AM HADT · 2583 days ago · 26 km deep · 32 km away
31. 1.6102 km SW of Adak, AlaskaThu, Sep 5, 6:40 AM HADT · 2583 days ago · 47 km deep · 82 km away
32. 1.611 km NE of Adak, AlaskaThu, Sep 5, 1:19 PM HADT · 2583 days ago · 104 km deep · 57 km away
33. 2.130 km SSE of Adak, AlaskaThu, Sep 5, 10:35 PM HADT · 2583 days ago · 49 km deep · 25 km away
34. 1.728 km ENE of Adak, AlaskaFri, Sep 6, 9:56 PM HADT · 2582 days ago · 79 km deep · 65 km away
35. 1.539 km SSE of Adak, AlaskaFri, Sep 6, 10:05 PM HADT · 2582 days ago · 35 km deep · 22 km away
36. 1.555 km S of Adak, AlaskaSat, Sep 7, 2:29 PM HADT · 2581 days ago · 21 km deep · 9 km away
37. 1.736 km SW of Adak, AlaskaSat, Sep 7, 7:23 PM HADT · 2581 days ago · 64 km deep · 37 km away
38. 1.572 km SSE of Adak, AlaskaSun, Sep 8, 7:02 AM HADT · 2580 days ago · 20 km deep · 33 km away
39. 1.571 km SSE of Adak, AlaskaSun, Sep 8, 7:38 AM HADT · 2580 days ago · 21 km deep · 30 km away
40. 1.8112 km SW of Adak, AlaskaSun, Sep 8, 10:38 AM HADT · 2580 days ago · 25 km deep · 81 km away
41. 2.480 km SW of Adak, AlaskaMon, Sep 9, 6:46 AM HADT · 2579 days ago · 44 km deep · 66 km away
42. 1.828 km NW of Adak, AlaskaMon, Sep 9, 5:33 PM HADT · 2579 days ago · 191 km deep · 71 km away
43. 1.7102 km SW of Adak, AlaskaTue, Sep 10, 3:38 AM HADT · 2578 days ago · 46 km deep · 84 km away
44. 2.040 km SSW of Adak, AlaskaTue, Sep 10, 5:31 PM HADT · 2578 days ago · 58 km deep · 21 km away
45. 2.146 km S of Adak, AlaskaWed, Sep 11, 5:09 AM HADT · 2577 days ago · 34 km deep · 2 km away
46. 1.965 km WSW of Adak, AlaskaWed, Sep 11, 7:14 AM HADT · 2577 days ago · 20 km deep · 72 km away
47. 4.059 km SE of Adak, AlaskaWed, Sep 11, 9:09 AM HADT · 2577 days ago · 42 km deep · 41 km away
48. 2.199 km SW of Adak, AlaskaWed, Sep 11, 1:42 PM HADT · 2577 days ago · 47 km deep · 81 km away
49. 2.4104 km SW of Adak, AlaskaWed, Sep 11, 1:51 PM HADT · 2577 days ago · 39 km deep · 78 km away
50. 2.167 km WSW of Adak, AlaskaThu, Sep 12, 11:49 AM HADT · 2576 days ago · 39 km deep · 58 km away
51. 1.752 km SSE of Adak, AlaskaFri, Sep 13, 3:50 PM HADT · 2575 days ago · 28 km deep · 13 km away
52. 2.2Andreanof Islands, Aleutian Islands, AlaskaFri, Sep 13, 9:50 PM HADT · 2575 days ago · 58 km deep · 25 km away
53. 1.784 km W of Adak, AlaskaSat, Sep 14, 4:51 AM HADT · 2574 days ago · 6 km deep · 96 km away
54. 2.353 km SW of Adak, AlaskaSun, Sep 15, 3:28 PM HADT · 2573 days ago · 37 km deep · 30 km away
55. 1.980 km SE of Adak, AlaskaMon, Sep 16, 4:39 AM HADT · 2572 days ago · 7 km deep · 64 km away
56. 2.644 km E of Adak, AlaskaMon, Sep 16, 4:52 AM HADT · 2572 days ago · 97 km deep · 71 km away
57. 2.789 km SSE of Adak, AlaskaMon, Sep 16, 12:52 PM HADT · 2572 days ago · 22 km deep · 50 km away
58. 2.129 km SSW of Adak, AlaskaTue, Sep 17, 5:54 PM HADT · 2571 days ago · 62 km deep · 21 km away
59. 2.893 km SW of Adak, AlaskaTue, Sep 17, 8:51 PM HADT · 2571 days ago · 40 km deep · 74 km away
60. 2.0110 km SW of Adak, AlaskaWed, Sep 18, 12:43 AM HADT · 2570 days ago · 26 km deep · 86 km away

The first 60 of 135.

Before

1. 1.834 km SSE of Adak, AlaskaMon, Aug 19, 9:10 PM HADT · 2600 days ago · 50 km deep · 28 km away
2. 3.151 km WSW of Adak, AlaskaMon, Aug 19, 5:43 PM HADT · 2600 days ago · 86 km deep · 53 km away
3. 3.176 km S of Adak, AlaskaMon, Aug 19, 6:28 AM HADT · 2600 days ago · 21 km deep · 28 km away
4. 1.942 km NNW of Adak, AlaskaSun, Aug 18, 1:33 PM HADT · 2601 days ago · 131 km deep · 89 km away
5. 2.092 km WSW of Adak, AlaskaSun, Aug 18, 12:26 PM HADT · 2601 days ago · 28 km deep · 77 km away
6. 1.846 km SE of Adak, AlaskaSun, Aug 18, 10:23 AM HADT · 2601 days ago · 44 km deep · 42 km away
7. 3.172 km W of Adak, AlaskaFri, Aug 16, 9:24 AM HADT · 2603 days ago · 21 km deep · 79 km away
8. 1.990 km SW of Adak, AlaskaThu, Aug 15, 2:56 PM HADT · 2604 days ago · 56 km deep · 57 km away
9. 2.1104 km SW of Adak, AlaskaWed, Aug 14, 6:42 PM HADT · 2605 days ago · 44 km deep · 74 km away
10. 3.159 km SE of Adak, AlaskaWed, Aug 14, 7:46 AM HADT · 2605 days ago · 35 km deep · 45 km away
11. 2.0105 km SW of Adak, AlaskaWed, Aug 14, 2:33 AM HADT · 2605 days ago · 27 km deep · 87 km away
12. 1.978 km WSW of Adak, AlaskaTue, Aug 13, 8:59 PM HADT · 2606 days ago · 13 km deep · 69 km away
13. 2.019 km SSE of Adak, AlaskaTue, Aug 13, 7:21 AM HADT · 2606 days ago · 71 km deep · 32 km away
14. 1.638 km NNW of Adak, AlaskaTue, Aug 13, 3:09 AM HADT · 2606 days ago · 149 km deep · 84 km away
15. 1.654 km W of Adak, AlaskaTue, Aug 13, 1:39 AM HADT · 2606 days ago · 21 km deep · 72 km away
16. 1.854 km W of Adak, AlaskaTue, Aug 13, 12:23 AM HADT · 2606 days ago · 22 km deep · 73 km away
17. 2.6104 km SSE of Adak, AlaskaMon, Aug 12, 9:34 AM HADT · 2607 days ago · 10 km deep · 60 km away
18. 1.656 km SSE of Adak, AlaskaMon, Aug 12, 7:20 AM HADT · 2607 days ago · 25 km deep · 26 km away
19. 1.692 km SE of Adak, AlaskaMon, Aug 12, 5:25 AM HADT · 2607 days ago · 20 km deep · 73 km away
20. 1.760 km SE of Adak, AlaskaSun, Aug 11, 2:04 AM HADT · 2608 days ago · 23 km deep · 47 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak019apcb6jd. Read Thu, Oct 1, 2026, 8:10 PM UTC.