M1.8 earthquake 47 km E of Adak, Alaska

Magnitude

1.8 (ml), micro

Local time

Fri, Jul 16, 2021, 5:59 PM HADT

UTC

2021-07-17 02:59:33 UTC

Depth

154.7 km (96.1 mi), intermediate-depth

Epicenter

51.935° N, 175.951° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

12

After

1. 2.460 km NE of Adak, AlaskaFri, Jul 16, 7:18 PM HADT · 1899 days ago · 183 km deep · 39 km away
2. 1.6Andreanof Islands, Aleutian Islands, AlaskaSun, Jul 18, 12:41 AM HADT · 1898 days ago · 26 km deep · 63 km away
3. 3.982 km SW of Atka, AlaskaSun, Jul 18, 11:30 AM HADT · 1898 days ago · 49 km deep · 56 km away
4. 1.849 km SW of Adak, AlaskaMon, Jul 19, 3:51 AM HADT · 1897 days ago · 28 km deep · 90 km away
5. 1.617 km WSW of Adak, AlaskaMon, Jul 19, 3:28 PM HADT · 1896 days ago · 74 km deep · 64 km away
6. 2.361 km ENE of Adak, AlaskaMon, Jul 19, 5:24 PM HADT · 1896 days ago · 101 km deep · 27 km away
7. 2.6104 km SE of Adak, AlaskaMon, Jul 19, 7:11 PM HADT · 1896 days ago · 2 km deep · 89 km away
8. 2.246 km S of Adak, AlaskaMon, Jul 19, 11:36 PM HADT · 1896 days ago · 29 km deep · 69 km away
9. 1.983 km SW of Atka, AlaskaTue, Jul 20, 7:53 PM HADT · 1895 days ago · 26 km deep · 69 km away
10. 3.766 km SSE of Adak, AlaskaTue, Jul 20, 11:04 PM HADT · 1895 days ago · 37 km deep · 78 km away
11. 1.927 km SSW of Adak, AlaskaTue, Jul 20, 11:24 PM HADT · 1895 days ago · 63 km deep · 65 km away
12. 2.183 km SE of Adak, AlaskaWed, Jul 21, 4:20 AM HADT · 1895 days ago · 21 km deep · 60 km away
13. 1.531 km SSE of Adak, AlaskaWed, Jul 21, 6:15 AM HADT · 1895 days ago · 59 km deep · 54 km away
14. 1.679 km SSE of Adak, AlaskaWed, Jul 21, 9:03 AM HADT · 1895 days ago · 18 km deep · 86 km away
15. 1.667 km SE of Adak, AlaskaWed, Jul 21, 8:44 PM HADT · 1894 days ago · 22 km deep · 57 km away
16. 2.095 km SSW of Atka, AlaskaWed, Jul 21, 8:52 PM HADT · 1894 days ago · 16 km deep · 90 km away
17. 1.697 km SSW of Atka, AlaskaThu, Jul 22, 12:31 AM HADT · 1894 days ago · 26 km deep · 87 km away
18. 1.815 km NE of Adak, AlaskaThu, Jul 22, 3:43 AM HADT · 1894 days ago · 99 km deep · 34 km away
19. 1.775 km SW of Atka, AlaskaThu, Jul 22, 9:18 AM HADT · 1894 days ago · 35 km deep · 74 km away
20. 2.882 km E of Adak, AlaskaThu, Jul 22, 12:02 PM HADT · 1894 days ago · 68 km deep · 36 km away
21. 1.948 km E of Adak, AlaskaThu, Jul 22, 2:36 PM HADT · 1893 days ago · 178 km deep · 3 km away
22. 1.968 km ENE of Adak, AlaskaThu, Jul 22, 4:24 PM HADT · 1893 days ago · 166 km deep · 22 km away
23. 2.1Andreanof Islands, Aleutian Islands, AlaskaThu, Jul 22, 5:28 PM HADT · 1893 days ago · 63 km deep · 19 km away
24. 1.867 km ENE of Adak, AlaskaFri, Jul 23, 10:34 AM HADT · 1893 days ago · 147 km deep · 21 km away
25. 1.553 km S of Adak, AlaskaFri, Jul 23, 6:43 PM HADT · 1892 days ago · 25 km deep · 76 km away
26. 3.238 km ENE of Adak, AlaskaSat, Jul 24, 12:46 AM HADT · 1892 days ago · 146 km deep · 16 km away
27. 4.074 km S of Adak, AlaskaSat, Jul 24, 4:30 AM HADT · 1892 days ago · 35 km deep · 86 km away
28. 2.267 km S of Adak, AlaskaSat, Jul 24, 4:42 AM HADT · 1892 days ago · 21 km deep · 85 km away
29. 3.662 km S of Adak, AlaskaSat, Jul 24, 6:10 AM HADT · 1892 days ago · 55 km deep · 79 km away
30. 1.986 km S of Adak, AlaskaSat, Jul 24, 7:13 AM HADT · 1892 days ago · 26 km deep · 99 km away
31. 4.177 km S of Adak, AlaskaSat, Jul 24, 9:11 AM HADT · 1892 days ago · 29 km deep · 90 km away
32. 2.190 km SW of Atka, AlaskaSat, Jul 24, 12:02 PM HADT · 1892 days ago · 42 km deep · 61 km away
33. 1.568 km SW of Atka, AlaskaSat, Jul 24, 1:32 PM HADT · 1891 days ago · 28 km deep · 79 km away
34. 1.585 km S of Adak, AlaskaSat, Jul 24, 2:00 PM HADT · 1891 days ago · 17 km deep · 99 km away
35. 2.370 km S of Adak, AlaskaSat, Jul 24, 2:25 PM HADT · 1891 days ago · 21 km deep · 87 km away
36. 2.291 km ESE of Adak, AlaskaSat, Jul 24, 6:38 PM HADT · 1891 days ago · 45 km deep · 49 km away
37. 2.856 km E of Adak, AlaskaSat, Jul 24, 8:26 PM HADT · 1891 days ago · 67 km deep · 15 km away
38. 3.869 km S of Adak, AlaskaSun, Jul 25, 3:18 AM HADT · 1891 days ago · 35 km deep · 85 km away
39. 2.776 km S of Adak, AlaskaSun, Jul 25, 3:25 AM HADT · 1891 days ago · 20 km deep · 93 km away
40. 1.773 km SSE of Adak, AlaskaSun, Jul 25, 4:05 AM HADT · 1891 days ago · 25 km deep · 80 km away
41. 2.172 km S of Adak, AlaskaSun, Jul 25, 4:15 AM HADT · 1891 days ago · 26 km deep · 90 km away
42. 3.647 km SE of Adak, AlaskaMon, Jul 26, 12:47 AM HADT · 1890 days ago · 48 km deep · 47 km away
43. 1.978 km ENE of Adak, AlaskaMon, Jul 26, 1:39 AM HADT · 1890 days ago · 166 km deep · 38 km away
44. 3.079 km ENE of Adak, AlaskaMon, Jul 26, 9:45 AM HADT · 1890 days ago · 191 km deep · 42 km away
45. 2.045 km WSW of Adak, AlaskaMon, Jul 26, 12:50 PM HADT · 1889 days ago · 70 km deep · 91 km away
46. 1.650 km ENE of Adak, AlaskaMon, Jul 26, 3:41 PM HADT · 1889 days ago · 148 km deep · 18 km away
47. 1.587 km S of Adak, AlaskaMon, Jul 26, 8:39 PM HADT · 1889 days ago · 39 km deep · 100 km away
48. 1.776 km ENE of Adak, AlaskaTue, Jul 27, 1:13 AM HADT · 1889 days ago · 179 km deep · 32 km away
49. 1.570 km S of Adak, AlaskaTue, Jul 27, 6:12 AM HADT · 1889 days ago · 21 km deep · 88 km away
50. 1.715 km E of Adak, AKTue, Jul 27, 10:29 AM HADT · 1889 days ago · 76 km deep · 33 km away
51. 3.035 km S of Adak, AlaskaTue, Jul 27, 3:00 PM HADT · 1888 days ago · 46 km deep · 59 km away
52. 1.860 km SE of Adak, AlaskaTue, Jul 27, 6:57 PM HADT · 1888 days ago · 26 km deep · 47 km away
53. 3.344 km NNE of Adak, AlaskaTue, Jul 27, 9:49 PM HADT · 1888 days ago · 211 km deep · 53 km away
54. 3.044 km SSW of Adak, AlaskaWed, Jul 28, 5:06 PM HADT · 1887 days ago · 70 km deep · 81 km away
55. 1.837 km ENE of Adak, AlaskaWed, Jul 28, 11:37 PM HADT · 1887 days ago · 147 km deep · 18 km away
56. 1.550 km WSW of Adak, AlaskaThu, Jul 29, 12:25 AM HADT · 1887 days ago · 74 km deep · 98 km away
57. 1.682 km ENE of Adak, AlaskaThu, Jul 29, 3:50 AM HADT · 1887 days ago · 13 km deep · 37 km away
58. 1.643 km S of Adak, AlaskaThu, Jul 29, 11:06 AM HADT · 1887 days ago · 26 km deep · 67 km away
59. 3.172 km ENE of Adak, AlaskaThu, Jul 29, 4:54 PM HADT · 1886 days ago · 98 km deep · 28 km away
60. 2.055 km ENE of Adak, AlaskaThu, Jul 29, 11:20 PM HADT · 1886 days ago · 179 km deep · 11 km away

The first 60 of 186.

Before

1. 1.858 km WSW of Atka, AlaskaFri, Jul 16, 6:55 AM HADT · 1900 days ago · 73 km deep · 65 km away
2. 2.012 km W of Adak, AlaskaThu, Jul 15, 10:36 PM HADT · 1900 days ago · 81 km deep · 59 km away
3. 3.380 km E of Adak, AlaskaThu, Jul 15, 7:49 PM HADT · 1900 days ago · 10 km deep · 34 km away
4. 1.571 km WSW of Atka, AlaskaThu, Jul 15, 3:21 AM HADT · 1901 days ago · 67 km deep · 59 km away
5. 1.782 km SE of Adak, AlaskaWed, Jul 14, 4:14 AM HADT · 1902 days ago · 22 km deep · 60 km away
6. 1.742 km ENE of Adak, AlaskaWed, Jul 14, 3:20 AM HADT · 1902 days ago · 4 km deep · 17 km away
7. 1.596 km SE of Adak, AlaskaWed, Jul 14, 2:46 AM HADT · 1902 days ago · 6 km deep · 73 km away
8. 1.654 km ENE of Adak, AlaskaTue, Jul 13, 7:09 PM HADT · 1902 days ago · 170 km deep · 15 km away
9. 1.853 km ENE of Adak, AlaskaTue, Jul 13, 8:57 AM HADT · 1903 days ago · 146 km deep · 9 km away
10. 1.944 km E of Adak, AlaskaTue, Jul 13, 3:27 AM HADT · 1903 days ago · 125 km deep · 4 km away
11. 1.6Andreanof Islands, Aleutian Islands, AlaskaTue, Jul 13, 3:10 AM HADT · 1903 days ago · 33 km deep · 97 km away
12. 2.075 km ENE of Adak, AlaskaTue, Jul 13, 2:07 AM HADT · 1903 days ago · 94 km deep · 30 km away
13. 1.544 km SSE of Adak, AlaskaMon, Jul 12, 10:38 AM HADT · 1904 days ago · 32 km deep · 56 km away
14. 1.858 km SSE of Adak, AlaskaMon, Jul 12, 6:19 AM HADT · 1904 days ago · 18 km deep · 61 km away
15. 2.857 km ESE of Adak, AlaskaMon, Jul 12, 6:14 AM HADT · 1904 days ago · 38 km deep · 33 km away
16. 3.059 km ESE of Adak, AlaskaMon, Jul 12, 3:27 AM HADT · 1904 days ago · 38 km deep · 35 km away
17. 2.653 km ESE of Adak, AlaskaSun, Jul 11, 1:24 PM HADT · 1904 days ago · 43 km deep · 26 km away
18. 2.462 km ESE of Adak, AlaskaSun, Jul 11, 9:44 AM HADT · 1905 days ago · 32 km deep · 38 km away
19. 2.955 km ESE of Adak, AlaskaSun, Jul 11, 8:14 AM HADT · 1905 days ago · 44 km deep · 28 km away
20. 5.049 km ESE of Adak, AlaskaSun, Jul 11, 8:04 AM HADT · 1905 days ago · 58 km deep · 18 km away · felt by 3

From the USGS Earthquake Hazards Program and its partner networks, event ak02193hyats. Read Mon, Sep 28, 2026, 9:13 AM UTC.