M1.6 earthquake 79 km SSE of Adak, Alaska

Magnitude

1.6 (ml), micro

Local time

Wed, Jul 21, 2021, 9:03 AM HADT

UTC

2021-07-21 18:03:11 UTC

Depth

18.3 km (11.4 mi), shallow

Epicenter

51.193° N, 176.308° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

25

After

1. 1.667 km SE of Adak, AlaskaWed, Jul 21, 8:44 PM HADT · 1893 days ago · 22 km deep · 35 km away
2. 1.697 km SSW of Atka, AlaskaThu, Jul 22, 12:31 AM HADT · 1893 days ago · 26 km deep · 99 km away
3. 1.815 km NE of Adak, AlaskaThu, Jul 22, 3:43 AM HADT · 1892 days ago · 99 km deep · 86 km away
4. 2.882 km E of Adak, AlaskaThu, Jul 22, 12:02 PM HADT · 1892 days ago · 68 km deep · 98 km away
5. 2.889 km SW of Adak, AlaskaThu, Jul 22, 12:22 PM HADT · 1892 days ago · 27 km deep · 80 km away
6. 1.948 km E of Adak, AlaskaThu, Jul 22, 2:36 PM HADT · 1892 days ago · 178 km deep · 85 km away
7. 2.1Andreanof Islands, Aleutian Islands, AlaskaThu, Jul 22, 5:28 PM HADT · 1892 days ago · 63 km deep · 68 km away
8. 1.553 km S of Adak, AlaskaFri, Jul 23, 6:43 PM HADT · 1891 days ago · 25 km deep · 31 km away
9. 3.238 km ENE of Adak, AlaskaSat, Jul 24, 12:46 AM HADT · 1891 days ago · 146 km deep · 94 km away
10. 4.074 km S of Adak, AlaskaSat, Jul 24, 4:30 AM HADT · 1890 days ago · 35 km deep · 9 km away
11. 2.267 km S of Adak, AlaskaSat, Jul 24, 4:42 AM HADT · 1890 days ago · 21 km deep · 19 km away
12. 3.662 km S of Adak, AlaskaSat, Jul 24, 6:10 AM HADT · 1890 days ago · 55 km deep · 21 km away
13. 1.986 km S of Adak, AlaskaSat, Jul 24, 7:13 AM HADT · 1890 days ago · 26 km deep · 15 km away
14. 4.177 km S of Adak, AlaskaSat, Jul 24, 9:11 AM HADT · 1890 days ago · 29 km deep · 10 km away
15. 2.190 km SW of Atka, AlaskaSat, Jul 24, 12:02 PM HADT · 1890 days ago · 42 km deep · 93 km away
16. 1.585 km S of Adak, AlaskaSat, Jul 24, 2:00 PM HADT · 1890 days ago · 17 km deep · 16 km away
17. 2.370 km S of Adak, AlaskaSat, Jul 24, 2:25 PM HADT · 1890 days ago · 21 km deep · 18 km away
18. 2.063 km WSW of Adak, AlaskaSat, Jul 24, 3:27 PM HADT · 1890 days ago · 65 km deep · 93 km away
19. 2.291 km ESE of Adak, AlaskaSat, Jul 24, 6:38 PM HADT · 1890 days ago · 45 km deep · 89 km away
20. 2.856 km E of Adak, AlaskaSat, Jul 24, 8:26 PM HADT · 1890 days ago · 67 km deep · 78 km away
21. 3.869 km S of Adak, AlaskaSun, Jul 25, 3:18 AM HADT · 1889 days ago · 35 km deep · 15 km away
22. 2.776 km S of Adak, AlaskaSun, Jul 25, 3:25 AM HADT · 1889 days ago · 20 km deep · 17 km away
23. 1.773 km SSE of Adak, AlaskaSun, Jul 25, 4:05 AM HADT · 1889 days ago · 25 km deep · 6 km away
24. 2.172 km S of Adak, AlaskaSun, Jul 25, 4:15 AM HADT · 1889 days ago · 26 km deep · 19 km away
25. 3.647 km SE of Adak, AlaskaMon, Jul 26, 12:47 AM HADT · 1889 days ago · 48 km deep · 40 km away
26. 4.087 km S of Adak, AlaskaMon, Jul 26, 9:08 AM HADT · 1888 days ago · 10 km deep · 22 km away
27. 3.889 km S of Adak, AlaskaMon, Jul 26, 9:08 AM HADT · 1888 days ago · 16 km deep · 18 km away
28. 3.892 km S of Adak, AlaskaMon, Jul 26, 10:03 AM HADT · 1888 days ago · 14 km deep · 19 km away
29. 3.988 km S of Adak, AlaskaMon, Jul 26, 10:03 AM HADT · 1888 days ago · 23 km deep · 17 km away
30. 2.045 km WSW of Adak, AlaskaMon, Jul 26, 12:50 PM HADT · 1888 days ago · 70 km deep · 80 km away
31. 1.587 km S of Adak, AlaskaMon, Jul 26, 8:39 PM HADT · 1888 days ago · 39 km deep · 15 km away
32. 1.8164 km S of Adak, AlaskaTue, Jul 27, 2:12 AM HADT · 1888 days ago · 17 km deep · 96 km away
33. 1.570 km S of Adak, AlaskaTue, Jul 27, 6:12 AM HADT · 1887 days ago · 21 km deep · 19 km away
34. 1.715 km E of Adak, AKTue, Jul 27, 10:29 AM HADT · 1887 days ago · 76 km deep · 74 km away
35. 3.035 km S of Adak, AlaskaTue, Jul 27, 3:00 PM HADT · 1887 days ago · 46 km deep · 44 km away
36. 1.860 km SE of Adak, AlaskaTue, Jul 27, 6:57 PM HADT · 1887 days ago · 26 km deep · 43 km away
37. 1.9100 km SSE of Adak, AlaskaWed, Jul 28, 4:03 PM HADT · 1886 days ago · 14 km deep · 22 km away
38. 3.044 km SSW of Adak, AlaskaWed, Jul 28, 5:06 PM HADT · 1886 days ago · 70 km deep · 55 km away
39. 1.837 km ENE of Adak, AlaskaWed, Jul 28, 11:37 PM HADT · 1886 days ago · 147 km deep · 94 km away
40. 1.550 km WSW of Adak, AlaskaThu, Jul 29, 12:25 AM HADT · 1886 days ago · 74 km deep · 97 km away
41. 1.781 km SW of Adak, AlaskaThu, Jul 29, 1:29 AM HADT · 1886 days ago · 25 km deep · 85 km away
42. 1.643 km S of Adak, AlaskaThu, Jul 29, 11:06 AM HADT · 1885 days ago · 26 km deep · 38 km away
43. 2.055 km ENE of Adak, AlaskaThu, Jul 29, 11:20 PM HADT · 1885 days ago · 179 km deep · 97 km away
44. 1.519 km WNW of Adak, AlaskaFri, Jul 30, 1:16 AM HADT · 1885 days ago · 86 km deep · 93 km away
45. 3.563 km SE of Adak, AlaskaFri, Jul 30, 4:55 AM HADT · 1884 days ago · 35 km deep · 30 km away
46. 2.896 km SW of Atka, AlaskaFri, Jul 30, 5:38 AM HADT · 1884 days ago · 35 km deep · 89 km away
47. 1.568 km SSW of Adak, AlaskaFri, Jul 30, 9:05 AM HADT · 1884 days ago · 42 km deep · 59 km away
48. 1.9Andreanof Islands, Aleutian Islands, AlaskaFri, Jul 30, 10:53 AM HADT · 1884 days ago · 29 km deep · 29 km away
49. 1.666 km SE of Adak, AlaskaFri, Jul 30, 5:02 PM HADT · 1884 days ago · 26 km deep · 39 km away
50. 1.8Andreanof Islands, Aleutian Islands, AlaskaSat, Jul 31, 6:02 AM HADT · 1883 days ago · 18 km deep · 97 km away
51. 3.054 km ESE of Adak, AlaskaSat, Jul 31, 8:24 AM HADT · 1883 days ago · 42 km deep · 58 km away
52. 1.638 km SW of Adak, AlaskaSat, Jul 31, 5:16 PM HADT · 1883 days ago · 27 km deep · 69 km away
53. 1.897 km S of Adak, AlaskaSat, Jul 31, 10:15 PM HADT · 1883 days ago · 26 km deep · 38 km away
54. 1.578 km SSE of Adak, AlaskaSun, Aug 1, 4:50 AM HADT · 1882 days ago · 19 km deep · 3 km away
55. 1.749 km S of Adak, AlaskaSun, Aug 1, 7:13 AM HADT · 1882 days ago · 30 km deep · 32 km away
56. 1.658 km SE of Adak, AlaskaSun, Aug 1, 7:39 AM HADT · 1882 days ago · 26 km deep · 35 km away
57. 3.517 km SE of Adak, AlaskaSun, Aug 1, 11:48 PM HADT · 1882 days ago · 69 km deep · 67 km away
58. 3.244 km SSE of Adak, AlaskaMon, Aug 2, 12:36 AM HADT · 1882 days ago · 44 km deep · 35 km away
59. 1.560 km SSW of Adak, AlaskaMon, Aug 2, 11:41 AM HADT · 1881 days ago · 36 km deep · 58 km away
60. 1.582 km WSW of Adak, AlaskaMon, Aug 2, 4:44 PM HADT · 1881 days ago · 38 km deep · 99 km away

The first 60 of 176.

Before

1. 1.531 km SSE of Adak, AlaskaWed, Jul 21, 6:15 AM HADT · 1893 days ago · 59 km deep · 47 km away
2. 2.183 km SE of Adak, AlaskaWed, Jul 21, 4:20 AM HADT · 1893 days ago · 21 km deep · 51 km away
3. 1.586 km SW of Adak, AlaskaWed, Jul 21, 1:14 AM HADT · 1894 days ago · 34 km deep · 97 km away
4. 1.927 km SSW of Adak, AlaskaTue, Jul 20, 11:24 PM HADT · 1894 days ago · 63 km deep · 59 km away
5. 3.766 km SSE of Adak, AlaskaTue, Jul 20, 11:04 PM HADT · 1894 days ago · 37 km deep · 13 km away
6. 3.694 km SSE of Adak, AlaskaTue, Jul 20, 4:21 AM HADT · 1894 days ago · 25 km deep · 17 km away
7. 2.246 km S of Adak, AlaskaMon, Jul 19, 11:36 PM HADT · 1895 days ago · 29 km deep · 36 km away
8. 2.6104 km SE of Adak, AlaskaMon, Jul 19, 7:11 PM HADT · 1895 days ago · 2 km deep · 45 km away
9. 1.617 km WSW of Adak, AlaskaMon, Jul 19, 3:28 PM HADT · 1895 days ago · 74 km deep · 79 km away
10. 1.849 km SW of Adak, AlaskaMon, Jul 19, 3:51 AM HADT · 1895 days ago · 28 km deep · 64 km away
11. 1.6Andreanof Islands, Aleutian Islands, AlaskaSun, Jul 18, 12:41 AM HADT · 1897 days ago · 26 km deep · 78 km away
12. 1.847 km E of Adak, AlaskaFri, Jul 16, 5:59 PM HADT · 1898 days ago · 155 km deep · 86 km away
13. 2.012 km W of Adak, AlaskaThu, Jul 15, 10:36 PM HADT · 1899 days ago · 81 km deep · 85 km away
14. 3.380 km E of Adak, AlaskaThu, Jul 15, 7:49 PM HADT · 1899 days ago · 10 km deep · 97 km away
15. 1.782 km SE of Adak, AlaskaWed, Jul 14, 4:14 AM HADT · 1900 days ago · 22 km deep · 51 km away
16. 1.742 km ENE of Adak, AlaskaWed, Jul 14, 3:20 AM HADT · 1900 days ago · 4 km deep · 98 km away
17. 1.596 km SE of Adak, AlaskaWed, Jul 14, 2:46 AM HADT · 1901 days ago · 6 km deep · 54 km away
18. 1.780 km SSW of Adak, AlaskaTue, Jul 13, 9:22 AM HADT · 1901 days ago · 26 km deep · 64 km away
19. 1.853 km ENE of Adak, AlaskaTue, Jul 13, 8:57 AM HADT · 1901 days ago · 146 km deep · 95 km away
20. 1.944 km E of Adak, AlaskaTue, Jul 13, 3:27 AM HADT · 1901 days ago · 125 km deep · 87 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0219adakng. Read Sat, Sep 26, 2026, 11:45 PM UTC.