M1.9 earthquake 100 km SSE of Adak, Alaska

Magnitude

1.9 (ml), micro

Local time

Wed, Jul 28, 2021, 4:03 PM HADT

UTC

2021-07-29 01:03:17 UTC

Depth

14.0 km (8.7 mi), shallow

Epicenter

50.994° N, 176.305° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

30

After

1. 3.044 km SSW of Adak, AlaskaWed, Jul 28, 5:06 PM HADT · 1887 days ago · 70 km deep · 71 km away
2. 1.781 km SW of Adak, AlaskaThu, Jul 29, 1:29 AM HADT · 1886 days ago · 25 km deep · 93 km away
3. 1.643 km S of Adak, AlaskaThu, Jul 29, 11:06 AM HADT · 1886 days ago · 26 km deep · 58 km away
4. 3.563 km SE of Adak, AlaskaFri, Jul 30, 4:55 AM HADT · 1885 days ago · 35 km deep · 50 km away
5. 1.568 km SSW of Adak, AlaskaFri, Jul 30, 9:05 AM HADT · 1885 days ago · 42 km deep · 68 km away
6. 1.9Andreanof Islands, Aleutian Islands, AlaskaFri, Jul 30, 10:53 AM HADT · 1885 days ago · 29 km deep · 50 km away
7. 1.666 km SE of Adak, AlaskaFri, Jul 30, 5:02 PM HADT · 1885 days ago · 26 km deep · 58 km away
8. 3.054 km ESE of Adak, AlaskaSat, Jul 31, 8:24 AM HADT · 1884 days ago · 42 km deep · 78 km away
9. 1.638 km SW of Adak, AlaskaSat, Jul 31, 5:16 PM HADT · 1884 days ago · 27 km deep · 86 km away
10. 1.897 km S of Adak, AlaskaSat, Jul 31, 10:15 PM HADT · 1883 days ago · 26 km deep · 32 km away
11. 1.578 km SSE of Adak, AlaskaSun, Aug 1, 4:50 AM HADT · 1883 days ago · 19 km deep · 24 km away
12. 1.749 km S of Adak, AlaskaSun, Aug 1, 7:13 AM HADT · 1883 days ago · 30 km deep · 51 km away
13. 1.658 km SE of Adak, AlaskaSun, Aug 1, 7:39 AM HADT · 1883 days ago · 26 km deep · 55 km away
14. 3.517 km SE of Adak, AlaskaSun, Aug 1, 11:48 PM HADT · 1882 days ago · 69 km deep · 89 km away
15. 3.244 km SSE of Adak, AlaskaMon, Aug 2, 12:36 AM HADT · 1882 days ago · 44 km deep · 57 km away
16. 1.560 km SSW of Adak, AlaskaMon, Aug 2, 11:41 AM HADT · 1882 days ago · 36 km deep · 70 km away
17. 1.694 km SW of Adak, AlaskaTue, Aug 3, 11:09 AM HADT · 1881 days ago · 23 km deep · 90 km away
18. 1.520 km SSW of Adak, AlaskaTue, Aug 3, 2:43 PM HADT · 1881 days ago · 74 km deep · 86 km away
19. 1.559 km SE of Adak, AlaskaTue, Aug 3, 6:20 PM HADT · 1881 days ago · 23 km deep · 52 km away
20. 1.765 km SE of Adak, AlaskaWed, Aug 4, 4:23 PM HADT · 1880 days ago · 24 km deep · 59 km away
21. 1.9180 km S of Adak, AlaskaWed, Aug 4, 4:42 PM HADT · 1880 days ago · 24 km deep · 81 km away
22. 3.672 km SE of Adak, AlaskaThu, Aug 5, 4:42 AM HADT · 1879 days ago · 30 km deep · 52 km away
23. 1.565 km SSE of Adak, AlaskaThu, Aug 5, 5:25 AM HADT · 1879 days ago · 20 km deep · 42 km away
24. 2.874 km SW of Adak, AlaskaFri, Aug 6, 3:28 AM HADT · 1878 days ago · 61 km deep · 88 km away
25. 1.969 km SE of Adak, AlaskaFri, Aug 6, 9:47 AM HADT · 1878 days ago · 39 km deep · 54 km away
26. 1.545 km SSW of Adak, AlaskaFri, Aug 6, 4:31 PM HADT · 1878 days ago · 63 km deep · 74 km away
27. 1.9123 km SSW of Atka, AlaskaFri, Aug 6, 8:13 PM HADT · 1877 days ago · 26 km deep · 87 km away
28. 2.0120 km SSW of Atka, AlaskaFri, Aug 6, 8:18 PM HADT · 1877 days ago · 21 km deep · 88 km away
29. 3.072 km ESE of Adak, AlaskaSat, Aug 7, 6:50 AM HADT · 1877 days ago · 62 km deep · 85 km away
30. 1.646 km SW of Adak, AlaskaSat, Aug 7, 3:11 PM HADT · 1877 days ago · 48 km deep · 84 km away
31. 1.6101 km SSE of Adak, AlaskaSun, Aug 8, 2:34 AM HADT · 1876 days ago · 24 km deep · 25 km away
32. 1.9Andreanof Islands, Aleutian Islands, AlaskaMon, Aug 9, 5:10 PM HADT · 1875 days ago · 26 km deep · 69 km away
33. 1.774 km SSE of Adak, AlaskaMon, Aug 9, 7:04 PM HADT · 1875 days ago · 25 km deep · 31 km away
34. 3.054 km SE of Adak, AlaskaTue, Aug 10, 3:04 AM HADT · 1874 days ago · 35 km deep · 56 km away
35. 2.744 km SSE of Adak, AlaskaTue, Aug 10, 5:59 AM HADT · 1874 days ago · 35 km deep · 58 km away
36. 1.549 km S of Adak, AlaskaTue, Aug 10, 5:11 PM HADT · 1874 days ago · 48 km deep · 59 km away
37. 1.7100 km SW of Adak, AlaskaTue, Aug 10, 10:49 PM HADT · 1873 days ago · 26 km deep · 99 km away
38. 3.764 km SE of Adak, AlaskaWed, Aug 11, 8:02 AM HADT · 1873 days ago · 35 km deep · 58 km away
39. 3.671 km SSW of Adak, AlaskaWed, Aug 11, 8:25 PM HADT · 1872 days ago · 35 km deep · 67 km away
40. 1.644 km SW of Adak, AlaskaFri, Aug 13, 5:03 AM HADT · 1871 days ago · 28 km deep · 80 km away
41. 3.142 km S of Adak, AlaskaFri, Aug 13, 8:38 AM HADT · 1871 days ago · 69 km deep · 58 km away
42. 2.9Andreanof Islands, Aleutian Islands, AlaskaFri, Aug 13, 2:37 PM HADT · 1871 days ago · 33 km deep · 52 km away
43. 1.620 km SE of Adak, AlaskaFri, Aug 13, 3:40 PM HADT · 1871 days ago · 71 km deep · 82 km away
44. 1.539 km SSW of Adak, AlaskaFri, Aug 13, 4:55 PM HADT · 1871 days ago · 12 km deep · 79 km away
45. 1.560 km SE of Adak, AlaskaFri, Aug 13, 5:37 PM HADT · 1871 days ago · 22 km deep · 52 km away
46. 1.667 km SSW of Adak, AlaskaSat, Aug 14, 8:38 AM HADT · 1870 days ago · 27 km deep · 64 km away
47. 2.6101 km SSW of Adak, AlaskaSun, Aug 15, 6:31 PM HADT · 1869 days ago · 24 km deep · 64 km away
48. 1.7102 km SSW of Adak, AlaskaSun, Aug 15, 9:45 PM HADT · 1868 days ago · 47 km deep · 68 km away
49. 1.648 km SW of Adak, AlaskaMon, Aug 16, 1:41 PM HADT · 1868 days ago · 42 km deep · 79 km away
50. 2.760 km SW of Adak, AlaskaMon, Aug 16, 8:48 PM HADT · 1867 days ago · 69 km deep · 90 km away
51. 1.514 km SSE of Adak, AlaskaWed, Aug 18, 2:44 AM HADT · 1866 days ago · 80 km deep · 87 km away
52. 1.572 km SSE of Adak, AlaskaWed, Aug 18, 10:51 PM HADT · 1865 days ago · 21 km deep · 29 km away
53. 3.464 km SE of Adak, AlaskaThu, Aug 19, 2:20 PM HADT · 1865 days ago · 35 km deep · 58 km away
54. 1.668 km SW of Adak, AlaskaSat, Aug 21, 2:56 AM HADT · 1863 days ago · 51 km deep · 90 km away
55. 1.610 km SW of Adak, AlaskaSat, Aug 21, 11:52 AM HADT · 1863 days ago · 81 km deep · 94 km away
56. 3.064 km SSW of Adak, AlaskaSat, Aug 21, 3:02 PM HADT · 1863 days ago · 35 km deep · 61 km away
57. 2.687 km S of Adak, AlaskaSat, Aug 21, 5:28 PM HADT · 1863 days ago · 35 km deep · 42 km away
58. 1.980 km SE of Adak, AlaskaSun, Aug 22, 10:10 PM HADT · 1861 days ago · 26 km deep · 63 km away
59. 1.645 km E of Adak, AlaskaMon, Aug 23, 6:19 PM HADT · 1861 days ago · 68 km deep · 94 km away
60. 2.938 km SSW of Adak, AlaskaTue, Aug 24, 1:17 AM HADT · 1860 days ago · 39 km deep · 75 km away

The first 60 of 124.

Before

1. 1.860 km SE of Adak, AlaskaTue, Jul 27, 6:57 PM HADT · 1888 days ago · 26 km deep · 62 km away
2. 3.035 km S of Adak, AlaskaTue, Jul 27, 3:00 PM HADT · 1888 days ago · 46 km deep · 65 km away
3. 1.715 km E of Adak, AKTue, Jul 27, 10:29 AM HADT · 1888 days ago · 76 km deep · 96 km away
4. 1.570 km S of Adak, AlaskaTue, Jul 27, 6:12 AM HADT · 1888 days ago · 21 km deep · 34 km away
5. 1.8164 km S of Adak, AlaskaTue, Jul 27, 2:12 AM HADT · 1888 days ago · 17 km deep · 76 km away
6. 1.587 km S of Adak, AlaskaMon, Jul 26, 8:39 PM HADT · 1888 days ago · 39 km deep · 16 km away
7. 2.045 km WSW of Adak, AlaskaMon, Jul 26, 12:50 PM HADT · 1889 days ago · 70 km deep · 96 km away
8. 3.988 km S of Adak, AlaskaMon, Jul 26, 10:03 AM HADT · 1889 days ago · 23 km deep · 16 km away
9. 3.892 km S of Adak, AlaskaMon, Jul 26, 10:03 AM HADT · 1889 days ago · 14 km deep · 13 km away
10. 3.889 km S of Adak, AlaskaMon, Jul 26, 9:08 AM HADT · 1889 days ago · 16 km deep · 16 km away
11. 4.087 km S of Adak, AlaskaMon, Jul 26, 9:08 AM HADT · 1889 days ago · 10 km deep · 21 km away
12. 3.647 km SE of Adak, AlaskaMon, Jul 26, 12:47 AM HADT · 1889 days ago · 48 km deep · 61 km away
13. 2.172 km S of Adak, AlaskaSun, Jul 25, 4:15 AM HADT · 1890 days ago · 26 km deep · 31 km away
14. 1.773 km SSE of Adak, AlaskaSun, Jul 25, 4:05 AM HADT · 1890 days ago · 25 km deep · 28 km away
15. 2.776 km S of Adak, AlaskaSun, Jul 25, 3:25 AM HADT · 1890 days ago · 20 km deep · 28 km away
16. 3.869 km S of Adak, AlaskaSun, Jul 25, 3:18 AM HADT · 1890 days ago · 35 km deep · 32 km away
17. 2.856 km E of Adak, AlaskaSat, Jul 24, 8:26 PM HADT · 1890 days ago · 67 km deep · 99 km away
18. 2.370 km S of Adak, AlaskaSat, Jul 24, 2:25 PM HADT · 1891 days ago · 21 km deep · 33 km away
19. 1.585 km S of Adak, AlaskaSat, Jul 24, 2:00 PM HADT · 1891 days ago · 17 km deep · 19 km away
20. 4.177 km S of Adak, AlaskaSat, Jul 24, 9:11 AM HADT · 1891 days ago · 29 km deep · 24 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0219nbh00x. Read Sun, Sep 27, 2026, 4:04 PM UTC.