M1.7 earthquake 78 km SW of Adak, Alaska

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, Jul 20, 2019, 7:21 PM HADT

UTC

2019-07-21 04:21:10 UTC

Depth

26.1 km (16.2 mi), shallow

Epicenter

51.453° N, 177.552° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

31

After

1. 1.8149 km WSW of Adak, AlaskaSun, Jul 21, 3:12 AM HADT · 2629 days ago · 61 km deep · 79 km away
2. 1.6124 km SW of Adak, AlaskaSun, Jul 21, 1:16 PM HADT · 2629 days ago · 22 km deep · 46 km away
3. 1.657 km SE of Adak, AlaskaSun, Jul 21, 5:32 PM HADT · 2629 days ago · 26 km deep · 98 km away
4. 1.555 km SSE of Adak, AlaskaSun, Jul 21, 7:03 PM HADT · 2629 days ago · 26 km deep · 94 km away
5. 1.6151 km WSW of Adak, AlaskaSun, Jul 21, 11:03 PM HADT · 2629 days ago · 11 km deep · 84 km away
6. 2.073 km SW of Adak, AlaskaSun, Jul 21, 11:57 PM HADT · 2628 days ago · 43 km deep · 6 km away
7. 1.557 km S of Adak, AlaskaMon, Jul 22, 4:32 AM HADT · 2628 days ago · 25 km deep · 75 km away
8. 1.627 km ESE of Adak, AlaskaMon, Jul 22, 8:15 PM HADT · 2628 days ago · 68 km deep · 96 km away
9. 1.5161 km WSW of Adak, AlaskaMon, Jul 22, 8:25 PM HADT · 2628 days ago · 12 km deep · 94 km away
10. 1.6164 km WSW of Adak, AlaskaMon, Jul 22, 11:08 PM HADT · 2628 days ago · 11 km deep · 98 km away
11. 2.0126 km WSW of Adak, AlaskaTue, Jul 23, 7:00 AM HADT · 2627 days ago · 7 km deep · 61 km away
12. 1.5127 km W of Adak, AlaskaTue, Jul 23, 5:09 PM HADT · 2627 days ago · 12 km deep · 67 km away
13. 1.6154 km WSW of Adak, AlaskaTue, Jul 23, 7:57 PM HADT · 2627 days ago · 66 km deep · 86 km away
14. 1.618 km W of Adak, AlaskaTue, Jul 23, 8:00 PM HADT · 2627 days ago · 11 km deep · 64 km away
15. 1.5141 km WSW of Adak, AlaskaWed, Jul 24, 9:12 AM HADT · 2626 days ago · 10 km deep · 68 km away
16. 2.146 km SSE of Adak, AlaskaWed, Jul 24, 6:35 PM HADT · 2626 days ago · 35 km deep · 78 km away
17. 1.560 km WSW of Adak, AlaskaThu, Jul 25, 3:58 PM HADT · 2625 days ago · 73 km deep · 32 km away
18. 3.349 km S of Adak, AlaskaThu, Jul 25, 11:13 PM HADT · 2625 days ago · 35 km deep · 67 km away
19. 2.7110 km SW of Adak, AlaskaFri, Jul 26, 4:51 AM HADT · 2624 days ago · 35 km deep · 32 km away
20. 1.572 km SW of Adak, AlaskaSat, Jul 27, 11:20 PM HADT · 2623 days ago · 44 km deep · 7 km away
21. 2.0152 km SW of Adak, AlaskaSun, Jul 28, 4:27 AM HADT · 2622 days ago · 26 km deep · 78 km away
22. 2.0147 km WSW of Adak, AlaskaSun, Jul 28, 8:35 AM HADT · 2622 days ago · 26 km deep · 69 km away
23. 1.55 km S of Adak, AlaskaSun, Jul 28, 7:16 PM HADT · 2622 days ago · 72 km deep · 75 km away
24. 1.5Andreanof Islands, Aleutian Islands, AlaskaMon, Jul 29, 6:55 PM HADT · 2621 days ago · 24 km deep · 58 km away
25. 1.6134 km SW of Adak, AlaskaTue, Jul 30, 2:32 PM HADT · 2620 days ago · 22 km deep · 55 km away
26. 2.297 km S of Adak, AlaskaTue, Jul 30, 10:43 PM HADT · 2620 days ago · 10 km deep · 80 km away
27. 2.1105 km WSW of Adak, AlaskaWed, Jul 31, 11:02 AM HADT · 2619 days ago · 45 km deep · 31 km away
28. 1.6131 km WSW of Adak, AlaskaThu, Aug 1, 11:28 AM HADT · 2618 days ago · 12 km deep · 68 km away
29. 1.748 km S of Adak, AlaskaThu, Aug 1, 3:24 PM HADT · 2618 days ago · 29 km deep · 62 km away
30. 2.1157 km WSW of Adak, AlaskaFri, Aug 2, 6:00 AM HADT · 2617 days ago · 28 km deep · 85 km away
31. 2.330 km SW of Adak, AlaskaFri, Aug 2, 5:59 PM HADT · 2617 days ago · 161 km deep · 49 km away
32. 2.577 km SW of Adak, AlaskaFri, Aug 2, 6:22 PM HADT · 2617 days ago · 35 km deep · 2 km away
33. 1.7121 km WSW of Adak, AlaskaFri, Aug 2, 9:52 PM HADT · 2617 days ago · 27 km deep · 43 km away
34. 1.756 km SSE of Adak, AlaskaSat, Aug 3, 1:30 AM HADT · 2616 days ago · 26 km deep · 88 km away
35. 2.2124 km WSW of Adak, AlaskaSat, Aug 3, 2:43 AM HADT · 2616 days ago · 28 km deep · 49 km away
36. 1.8166 km SW of Adak, AlaskaSat, Aug 3, 4:51 AM HADT · 2616 days ago · 26 km deep · 87 km away
37. 1.852 km S of Adak, AlaskaSat, Aug 3, 6:32 AM HADT · 2616 days ago · 25 km deep · 73 km away
38. 1.7134 km SW of Adak, AlaskaSat, Aug 3, 8:34 AM HADT · 2616 days ago · 22 km deep · 55 km away
39. 1.969 km SSE of Adak, AlaskaSat, Aug 3, 6:27 PM HADT · 2616 days ago · 26 km deep · 85 km away
40. 2.7125 km SW of Adak, AlaskaSun, Aug 4, 1:53 AM HADT · 2615 days ago · 28 km deep · 47 km away
41. 2.7145 km WSW of Adak, AlaskaSun, Aug 4, 6:01 AM HADT · 2615 days ago · 31 km deep · 68 km away
42. 1.879 km SW of Adak, AlaskaSun, Aug 4, 8:43 PM HADT · 2615 days ago · 48 km deep · 2 km away
43. 1.5130 km WSW of Adak, AlaskaMon, Aug 5, 1:10 AM HADT · 2614 days ago · 12 km deep · 64 km away
44. 1.663 km SW of Adak, AlaskaMon, Aug 5, 10:23 AM HADT · 2614 days ago · 42 km deep · 15 km away
45. 1.772 km WSW of Adak, AlaskaMon, Aug 5, 10:52 AM HADT · 2614 days ago · 40 km deep · 8 km away
46. 1.990 km WSW of Adak, AlaskaMon, Aug 5, 6:16 PM HADT · 2614 days ago · 32 km deep · 16 km away
47. 1.6151 km WSW of Adak, AlaskaMon, Aug 5, 8:35 PM HADT · 2614 days ago · 26 km deep · 74 km away
48. 1.7102 km SW of Adak, AlaskaTue, Aug 6, 9:37 PM HADT · 2613 days ago · 26 km deep · 23 km away
49. 1.597 km WSW of Adak, AlaskaTue, Aug 6, 11:12 PM HADT · 2613 days ago · 96 km deep · 43 km away
50. 2.0118 km SW of Adak, AlaskaWed, Aug 7, 3:49 AM HADT · 2612 days ago · 26 km deep · 39 km away
51. 1.6129 km SW of Adak, AlaskaWed, Aug 7, 10:12 PM HADT · 2612 days ago · 21 km deep · 50 km away
52. 1.5141 km WSW of Adak, AlaskaWed, Aug 7, 11:44 PM HADT · 2611 days ago · 27 km deep · 78 km away
53. 2.3156 km WSW of Adak, AlaskaThu, Aug 8, 4:00 PM HADT · 2611 days ago · 10 km deep · 81 km away
54. 1.6126 km WSW of Adak, AlaskaThu, Aug 8, 4:16 PM HADT · 2611 days ago · 11 km deep · 61 km away
55. 1.7151 km WSW of Adak, AlaskaThu, Aug 8, 4:44 PM HADT · 2611 days ago · 12 km deep · 78 km away
56. 1.641 km SSE of Adak, AlaskaThu, Aug 8, 4:47 PM HADT · 2611 days ago · 32 km deep · 82 km away
57. 1.5156 km WSW of Adak, AlaskaThu, Aug 8, 4:47 PM HADT · 2611 days ago · 13 km deep · 83 km away
58. 2.2156 km WSW of Adak, AlaskaThu, Aug 8, 4:54 PM HADT · 2611 days ago · 10 km deep · 81 km away
59. 1.6153 km WSW of Adak, AlaskaThu, Aug 8, 5:17 PM HADT · 2611 days ago · 18 km deep · 87 km away
60. 1.6Andreanof Islands, Aleutian Islands, AlaskaThu, Aug 8, 7:10 PM HADT · 2611 days ago · 17 km deep · 78 km away

The first 60 of at least 200.

Before

1. 3.7136 km SW of Adak, AlaskaSat, Jul 20, 3:59 PM HADT · 2630 days ago · 20 km deep · 59 km away
2. 1.672 km WSW of Adak, AlaskaSat, Jul 20, 5:46 AM HADT · 2630 days ago · 64 km deep · 16 km away
3. 1.966 km SSW of Adak, AlaskaThu, Jul 18, 4:08 PM HADT · 2632 days ago · 32 km deep · 42 km away
4. 1.7Andreanof Islands, Aleutian Islands, AlaskaThu, Jul 18, 1:26 PM HADT · 2632 days ago · 9 km deep · 64 km away
5. 1.5110 km WSW of Adak, AlaskaWed, Jul 17, 11:44 PM HADT · 2632 days ago · 9 km deep · 45 km away
6. 1.818 km SE of Adak, AlaskaWed, Jul 17, 6:25 PM HADT · 2633 days ago · 69 km deep · 82 km away
7. 1.7116 km SW of Adak, AlaskaWed, Jul 17, 7:23 AM HADT · 2633 days ago · 26 km deep · 38 km away
8. 2.397 km SW of Adak, AlaskaTue, Jul 16, 8:02 PM HADT · 2634 days ago · 42 km deep · 19 km away
9. 1.7115 km WSW of Adak, AlaskaTue, Jul 16, 12:12 PM HADT · 2634 days ago · 54 km deep · 43 km away
10. 2.357 km SE of Adak, AlaskaTue, Jul 16, 8:38 AM HADT · 2634 days ago · 26 km deep · 98 km away
11. 1.9130 km W of Adak, AlaskaMon, Jul 15, 10:34 PM HADT · 2635 days ago · 140 km deep · 73 km away
12. 2.878 km SSE of Adak, AlaskaMon, Jul 15, 10:14 AM HADT · 2635 days ago · 27 km deep · 94 km away
13. 1.972 km SSE of Adak, AlaskaMon, Jul 15, 9:54 AM HADT · 2635 days ago · 26 km deep · 86 km away
14. 1.8154 km SSW of Adak, AlaskaSun, Jul 14, 7:00 PM HADT · 2636 days ago · 28 km deep · 93 km away
15. 2.537 km SSE of Adak, AlaskaSun, Jul 14, 12:55 AM HADT · 2636 days ago · 48 km deep · 79 km away
16. 2.5138 km WSW of Adak, AlaskaSat, Jul 13, 2:22 AM HADT · 2637 days ago · 23 km deep · 62 km away
17. 2.7124 km SW of Adak, AlaskaFri, Jul 12, 6:41 AM HADT · 2638 days ago · 34 km deep · 46 km away
18. 2.556 km S of Adak, AlaskaThu, Jul 11, 8:19 PM HADT · 2639 days ago · 35 km deep · 69 km away
19. 1.7126 km WSW of Adak, AlaskaThu, Jul 11, 4:45 PM HADT · 2639 days ago · 13 km deep · 50 km away
20. 2.8111 km SW of Adak, AlaskaThu, Jul 11, 1:55 PM HADT · 2639 days ago · 10 km deep · 33 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0199a52d06. Read Thu, Oct 1, 2026, 8:13 PM UTC.