M1.8 earthquake 18 km W of Atka, Alaska

Magnitude

1.8 (ml), micro

Local time

Mon, Jul 19, 2021, 11:49 PM HADT

UTC

2021-07-20 08:49:09 UTC

Depth

73.4 km (45.6 mi), intermediate-depth

Epicenter

52.167° N, 174.473° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

After

1. 3.275 km E of Atka, AlaskaTue, Jul 20, 12:05 PM HADT · 1895 days ago · 117 km deep · 93 km away
2. 1.983 km SW of Atka, AlaskaTue, Jul 20, 7:53 PM HADT · 1895 days ago · 26 km deep · 69 km away
3. 2.317 km NNE of Atka, AlaskaWed, Jul 21, 7:12 AM HADT · 1895 days ago · 197 km deep · 33 km away
4. 2.694 km N of Atka, AlaskaWed, Jul 21, 9:19 AM HADT · 1895 days ago · 248 km deep · 98 km away
5. 2.092 km S of Atka, AlaskaWed, Jul 21, 12:44 PM HADT · 1894 days ago · 19 km deep · 94 km away
6. 2.095 km SSW of Atka, AlaskaWed, Jul 21, 8:52 PM HADT · 1894 days ago · 16 km deep · 84 km away
7. 1.697 km SSW of Atka, AlaskaThu, Jul 22, 12:31 AM HADT · 1894 days ago · 26 km deep · 85 km away
8. 1.775 km SW of Atka, AlaskaThu, Jul 22, 9:18 AM HADT · 1894 days ago · 35 km deep · 62 km away
9. 2.882 km E of Adak, AlaskaThu, Jul 22, 12:02 PM HADT · 1893 days ago · 68 km deep · 73 km away
10. 1.918 km WSW of Atka, AlaskaThu, Jul 22, 1:05 PM HADT · 1893 days ago · 147 km deep · 5 km away
11. 1.968 km ENE of Adak, AlaskaThu, Jul 22, 4:24 PM HADT · 1893 days ago · 166 km deep · 83 km away
12. 2.153 km SE of Atka, AlaskaThu, Jul 22, 5:53 PM HADT · 1893 days ago · 17 km deep · 63 km away
13. 2.675 km S of Atka, AlaskaThu, Jul 22, 6:54 PM HADT · 1893 days ago · 22 km deep · 73 km away
14. 2.134 km ENE of Atka, AlaskaThu, Jul 22, 10:29 PM HADT · 1893 days ago · 150 km deep · 53 km away
15. 2.737 km N of Atka, AlaskaFri, Jul 23, 12:34 AM HADT · 1893 days ago · 202 km deep · 43 km away
16. 1.867 km ENE of Adak, AlaskaFri, Jul 23, 10:34 AM HADT · 1893 days ago · 147 km deep · 84 km away
17. 2.190 km SW of Atka, AlaskaSat, Jul 24, 12:02 PM HADT · 1891 days ago · 42 km deep · 75 km away
18. 1.568 km SW of Atka, AlaskaSat, Jul 24, 1:32 PM HADT · 1891 days ago · 28 km deep · 55 km away
19. 2.291 km ESE of Adak, AlaskaSat, Jul 24, 6:38 PM HADT · 1891 days ago · 45 km deep · 78 km away
20. 2.856 km E of Adak, AlaskaSat, Jul 24, 8:26 PM HADT · 1891 days ago · 67 km deep · 99 km away
21. 2.168 km SE of Atka, AlaskaSat, Jul 24, 9:20 PM HADT · 1891 days ago · 32 km deep · 82 km away
22. 2.920 km WNW of Atka, AlaskaSun, Jul 25, 9:12 AM HADT · 1891 days ago · 201 km deep · 11 km away
23. 1.978 km ENE of Adak, AlaskaMon, Jul 26, 1:39 AM HADT · 1890 days ago · 166 km deep · 80 km away
24. 3.079 km ENE of Adak, AlaskaMon, Jul 26, 9:45 AM HADT · 1890 days ago · 191 km deep · 81 km away
25. 2.671 km SE of Atka, AlaskaMon, Jul 26, 8:15 PM HADT · 1889 days ago · 35 km deep · 83 km away
26. 1.776 km ENE of Adak, AlaskaTue, Jul 27, 1:13 AM HADT · 1889 days ago · 179 km deep · 76 km away
27. 2.129 km NNW of Atka, AlaskaTue, Jul 27, 3:27 AM HADT · 1889 days ago · 185 km deep · 32 km away
28. 2.940 km ESE of Atka, AlaskaTue, Jul 27, 11:26 AM HADT · 1888 days ago · 5 km deep · 57 km away
29. 1.682 km ENE of Adak, AlaskaThu, Jul 29, 3:50 AM HADT · 1887 days ago · 13 km deep · 69 km away
30. 3.172 km ENE of Adak, AlaskaThu, Jul 29, 4:54 PM HADT · 1886 days ago · 98 km deep · 80 km away
31. 2.055 km ENE of Adak, AlaskaThu, Jul 29, 11:20 PM HADT · 1886 days ago · 179 km deep · 96 km away
32. 3.074 km NW of Atka, AlaskaFri, Jul 30, 1:44 AM HADT · 1886 days ago · 206 km deep · 66 km away
33. 1.954 km ENE of Adak, AlaskaFri, Jul 30, 5:12 AM HADT · 1886 days ago · 211 km deep · 100 km away
34. 1.685 km WSW of Atka, AlaskaFri, Jul 30, 5:25 AM HADT · 1886 days ago · 78 km deep · 67 km away
35. 2.896 km SW of Atka, AlaskaFri, Jul 30, 5:38 AM HADT · 1886 days ago · 35 km deep · 82 km away
36. 1.912 km S of Atka, AlaskaSat, Jul 31, 3:14 PM HADT · 1884 days ago · 24 km deep · 21 km away
37. 2.741 km SSW of Atka, AlaskaSun, Aug 1, 5:11 PM HADT · 1883 days ago · 210 km deep · 33 km away
38. 1.911 km S of Atka, AlaskaSun, Aug 1, 10:53 PM HADT · 1883 days ago · 74 km deep · 18 km away
39. 3.110 km NW of Atka, AlaskaTue, Aug 3, 5:56 AM HADT · 1882 days ago · 210 km deep · 14 km away
40. 2.782 km SE of Atka, AlaskaTue, Aug 3, 12:44 PM HADT · 1881 days ago · 21 km deep · 97 km away
41. 3.150 km S of Atka, AlaskaWed, Aug 4, 7:32 AM HADT · 1881 days ago · 10 km deep · 51 km away
42. 1.727 km E of Atka, AlaskaWed, Aug 4, 10:47 AM HADT · 1880 days ago · 5 km deep · 46 km away
43. 2.766 km S of Atka, AlaskaFri, Aug 6, 11:17 AM HADT · 1878 days ago · 35 km deep · 67 km away
44. 3.072 km ESE of Adak, AlaskaSat, Aug 7, 6:50 AM HADT · 1878 days ago · 62 km deep · 100 km away
45. 1.867 km WSW of Atka, AlaskaSat, Aug 7, 10:40 AM HADT · 1877 days ago · 69 km deep · 50 km away
46. 1.930 km SSW of Atka, AlaskaSun, Aug 8, 12:47 PM HADT · 1876 days ago · 65 km deep · 22 km away
47. 2.122 km SSW of Atka, AlaskaMon, Aug 9, 10:37 PM HADT · 1875 days ago · 152 km deep · 18 km away
48. 1.685 km SW of Atka, AlaskaTue, Aug 10, 1:23 PM HADT · 1874 days ago · 25 km deep · 71 km away
49. 3.160 km SSW of Atka, AlaskaTue, Aug 10, 2:40 PM HADT · 1874 days ago · 224 km deep · 52 km away
50. 2.068 km SE of Atka, AlaskaTue, Aug 10, 3:11 PM HADT · 1874 days ago · 23 km deep · 78 km away
51. 1.813 km N of Atka, AlaskaTue, Aug 10, 4:33 PM HADT · 1874 days ago · 4 km deep · 24 km away
52. 1.815 km N of Atka, AlaskaTue, Aug 10, 4:52 PM HADT · 1874 days ago · 3 km deep · 27 km away
53. 2.114 km N of Atka, AlaskaTue, Aug 10, 5:27 PM HADT · 1874 days ago · 5 km deep · 26 km away
54. 2.014 km N of Atka, AlaskaTue, Aug 10, 6:11 PM HADT · 1874 days ago · 5 km deep · 26 km away
55. 1.513 km N of Atka, AlaskaTue, Aug 10, 8:18 PM HADT · 1874 days ago · 5 km deep · 24 km away
56. 2.114 km N of Atka, AlaskaWed, Aug 11, 12:50 AM HADT · 1874 days ago · 4 km deep · 26 km away
57. 2.315 km N of Atka, AlaskaWed, Aug 11, 12:56 AM HADT · 1874 days ago · 4 km deep · 27 km away
58. 1.613 km N of Atka, AlaskaWed, Aug 11, 8:32 AM HADT · 1874 days ago · 5 km deep · 25 km away
59. 2.015 km N of Atka, AlaskaWed, Aug 11, 10:31 AM HADT · 1874 days ago · 4 km deep · 27 km away
60. 3.028 km WSW of Atka, AlaskaThu, Aug 12, 6:45 AM HADT · 1873 days ago · 71 km deep · 10 km away

The first 60 of 135.

Before

1. 2.06 km SSE of Atka, AlaskaMon, Jul 19, 5:54 PM HADT · 1896 days ago · 79 km deep · 22 km away
2. 2.361 km ENE of Adak, AlaskaMon, Jul 19, 5:24 PM HADT · 1896 days ago · 101 km deep · 96 km away
3. 2.372 km ESE of Atka, AlaskaMon, Jul 19, 7:53 AM HADT · 1897 days ago · 37 km deep · 88 km away
4. 3.982 km SW of Atka, AlaskaSun, Jul 18, 11:30 AM HADT · 1897 days ago · 49 km deep · 65 km away
5. 1.6Andreanof Islands, Aleutian Islands, AlaskaSun, Jul 18, 12:41 AM HADT · 1898 days ago · 26 km deep · 92 km away
6. 2.663 km ESE of Atka, AlaskaSun, Jul 18, 12:16 AM HADT · 1898 days ago · 50 km deep · 80 km away
7. 2.432 km E of Atka, AlaskaSat, Jul 17, 7:16 PM HADT · 1898 days ago · 7 km deep · 51 km away
8. 2.636 km NW of Atka, AlaskaSat, Jul 17, 3:16 PM HADT · 1898 days ago · 176 km deep · 26 km away
9. 2.336 km E of Atka, AlaskaFri, Jul 16, 6:47 PM HADT · 1899 days ago · 11 km deep · 55 km away
10. 1.858 km WSW of Atka, AlaskaFri, Jul 16, 6:55 AM HADT · 1900 days ago · 73 km deep · 40 km away
11. 3.380 km E of Adak, AlaskaThu, Jul 15, 7:49 PM HADT · 1900 days ago · 10 km deep · 75 km away
12. 3.131 km E of Atka, AlaskaThu, Jul 15, 1:47 PM HADT · 1900 days ago · 13 km deep · 50 km away
13. 1.571 km WSW of Atka, AlaskaThu, Jul 15, 3:21 AM HADT · 1901 days ago · 67 km deep · 55 km away
14. 1.590 km SSE of Atka, AlaskaWed, Jul 14, 6:52 PM HADT · 1901 days ago · 19 km deep · 98 km away
15. 2.429 km E of Atka, AlaskaWed, Jul 14, 3:26 PM HADT · 1901 days ago · 11 km deep · 48 km away
16. 1.686 km SE of Atka, AlaskaWed, Jul 14, 10:14 AM HADT · 1902 days ago · 23 km deep · 99 km away
17. 1.654 km ENE of Adak, AlaskaTue, Jul 13, 7:09 PM HADT · 1902 days ago · 170 km deep · 98 km away
18. 1.531 km SSW of Atka, AlaskaTue, Jul 13, 3:00 PM HADT · 1902 days ago · 70 km deep · 27 km away
19. 2.130 km SSE of Atka, AlaskaTue, Jul 13, 10:17 AM HADT · 1903 days ago · 2 km deep · 40 km away
20. 1.853 km ENE of Adak, AlaskaTue, Jul 13, 8:57 AM HADT · 1903 days ago · 146 km deep · 98 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak02198k2qx2. Read Mon, Sep 28, 2026, 7:06 AM UTC.