M1.5 earthquake 189 km SSE of Atka, Alaska

Magnitude

1.5 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Wed, Aug 4, 2021, 10:27 AM HADT

UTC

2021-08-04 19:27:40 UTC

Depth

8.0 km (5.0 mi), shallow

Epicenter

50.698° N, 172.906° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

30

After

1. 2.7187 km SSE of Atka, AlaskaWed, Aug 4, 3:48 PM HADT · 1884 days ago · 10 km deep · 3 km away
2. 2.7Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 4, 8:29 PM HADT · 1883 days ago · 10 km deep · 8 km away
3. 1.7160 km SSE of Atka, AlaskaThu, Aug 5, 2:59 AM HADT · 1883 days ago · 3 km deep · 36 km away
4. 2.3165 km SSE of Atka, AlaskaThu, Aug 5, 3:25 AM HADT · 1883 days ago · 9 km deep · 31 km away
5. 2.2150 km SSE of Atka, AlaskaThu, Aug 5, 4:12 AM HADT · 1883 days ago · 15 km deep · 40 km away
6. 2.2155 km SSE of Atka, AlaskaThu, Aug 5, 4:19 AM HADT · 1883 days ago · 1 km deep · 41 km away
7. 3.1200 km SSE of Atka, AlaskaThu, Aug 5, 4:27 AM HADT · 1883 days ago · 30 km deep · 14 km away
8. 3.0186 km SSE of Atka, AlaskaThu, Aug 5, 4:31 AM HADT · 1883 days ago · 10 km deep · 15 km away
9. 2.3161 km SSE of Atka, AlaskaThu, Aug 5, 4:34 AM HADT · 1883 days ago · 7 km deep · 34 km away
10. 3.0171 km SSE of Atka, AlaskaThu, Aug 5, 5:39 AM HADT · 1883 days ago · 17 km deep · 21 km away
11. 2.9152 km SSE of Atka, AlaskaSat, Aug 7, 11:11 PM HADT · 1880 days ago · 10 km deep · 44 km away
12. 2.7173 km SSE of Atka, AlaskaSun, Aug 8, 12:18 AM HADT · 1880 days ago · 22 km deep · 16 km away
13. 3.0205 km SSE of Atka, AlaskaTue, Aug 10, 2:06 AM HADT · 1878 days ago · 10 km deep · 43 km away
14. 3.3Andreanof Islands, Aleutian Islands, AlaskaTue, Aug 10, 7:02 AM HADT · 1878 days ago · 35 km deep · 98 km away
15. 2.0199 km S of Atka, AlaskaWed, Aug 11, 2:50 AM HADT · 1877 days ago · 9 km deep · 88 km away
16. 2.2187 km SE of Atka, AlaskaWed, Aug 11, 2:30 PM HADT · 1877 days ago · 3 km deep · 31 km away
17. 2.6211 km SSE of Atka, AlaskaFri, Aug 13, 4:31 PM HADT · 1874 days ago · 10 km deep · 22 km away
18. 3.3200 km SSE of Atka, AlaskaSat, Aug 14, 10:23 PM HADT · 1873 days ago · 10 km deep · 42 km away
19. 2.0193 km S of Atka, AlaskaWed, Aug 18, 4:08 AM HADT · 1870 days ago · 10 km deep · 62 km away
20. 2.8197 km SE of Atka, AlaskaThu, Aug 19, 10:05 PM HADT · 1868 days ago · 10 km deep · 27 km away
21. 2.5102 km SSE of Atka, AlaskaSat, Aug 21, 1:54 AM HADT · 1867 days ago · 10 km deep · 89 km away
22. 2.9178 km SE of Atka, AlaskaSat, Aug 21, 9:04 AM HADT · 1867 days ago · 10 km deep · 50 km away
23. 3.0167 km SE of Atka, AlaskaSat, Aug 21, 12:40 PM HADT · 1867 days ago · 10 km deep · 58 km away
24. 2.0163 km SE of Atka, AlaskaMon, Aug 23, 11:09 AM HADT · 1865 days ago · 20 km deep · 46 km away
25. 2.1165 km SSE of Atka, AlaskaWed, Aug 25, 3:24 PM HADT · 1863 days ago · 11 km deep · 51 km away
26. 2.1178 km S of Atka, AlaskaMon, Aug 30, 6:16 AM HADT · 1858 days ago · 7 km deep · 68 km away
27. 2.7188 km S of Atka, AlaskaTue, Aug 31, 4:08 AM HADT · 1857 days ago · 10 km deep · 79 km away
28. 2.2140 km SE of Atka, AlaskaThu, Sep 2, 2:59 AM HADT · 1855 days ago · 14 km deep · 68 km away
29. 2.2180 km SSE of Atka, AlaskaThu, Sep 2, 12:10 PM HADT · 1855 days ago · 22 km deep · 14 km away
30. 3.1113 km SE of Atka, AlaskaFri, Sep 3, 2:56 PM HADT · 1854 days ago · 35 km deep · 94 km away
31. 2.8217 km SE of Atka, AlaskaSat, Sep 4, 12:16 AM HADT · 1853 days ago · 10 km deep · 81 km away
32. 2.893 km SSE of Atka, AlaskaTue, Sep 7, 5:09 PM HADT · 1849 days ago · 35 km deep · 100 km away
33. 2.9122 km SE of Atka, AlaskaMon, Sep 13, 1:28 AM HADT · 1844 days ago · 30 km deep · 95 km away
34. 3.1110 km SE of Atka, AlaskaMon, Sep 13, 3:54 AM HADT · 1844 days ago · 35 km deep · 87 km away
35. 2.9183 km SSE of Atka, AlaskaWed, Sep 15, 7:47 AM HADT · 1842 days ago · 21 km deep · 38 km away
36. 2.7105 km SSE of Atka, AlaskaSun, Sep 19, 8:14 PM HADT · 1837 days ago · 35 km deep · 85 km away
37. 2.796 km SSE of Atka, AlaskaMon, Sep 20, 1:23 AM HADT · 1837 days ago · 35 km deep · 99 km away

Before

1. 2.1165 km SSE of Atka, AlaskaWed, Aug 4, 2:04 AM HADT · 1884 days ago · 10 km deep · 29 km away
2. 3.2132 km SE of Atka, AlaskaTue, Aug 3, 12:28 PM HADT · 1885 days ago · 10 km deep · 62 km away
3. 2.2173 km SSE of Atka, AlaskaTue, Aug 3, 9:13 AM HADT · 1885 days ago · 11 km deep · 53 km away
4. 2.7173 km SSE of Atka, AlaskaMon, Aug 2, 8:30 PM HADT · 1885 days ago · 10 km deep · 24 km away
5. 3.8181 km SSE of Atka, AlaskaMon, Aug 2, 7:32 PM HADT · 1885 days ago · 10 km deep · 10 km away
6. 3.0162 km SSE of Atka, AlaskaSun, Aug 1, 6:12 PM HADT · 1886 days ago · 6 km deep · 36 km away
7. 3.1186 km SSE of Atka, AlaskaSun, Aug 1, 2:17 AM HADT · 1887 days ago · 30 km deep · 5 km away
8. 3.1169 km SSE of Atka, AlaskaSat, Jul 31, 6:53 PM HADT · 1887 days ago · 10 km deep · 22 km away
9. 3.1174 km SSE of Atka, AlaskaThu, Jul 29, 11:37 PM HADT · 1889 days ago · 26 km deep · 15 km away
10. 2.2187 km SE of Atka, AlaskaTue, Jul 27, 8:56 AM HADT · 1892 days ago · 11 km deep · 52 km away
11. 2.8109 km SE of Atka, AlaskaMon, Jul 26, 9:39 PM HADT · 1892 days ago · 10 km deep · 87 km away
12. 2.8Andreanof Islands, Aleutian Islands, AlaskaMon, Jul 26, 12:39 PM HADT · 1893 days ago · 26 km deep · 28 km away
13. 3.2163 km SSE of Atka, AlaskaMon, Jul 26, 12:39 PM HADT · 1893 days ago · 10 km deep · 31 km away
14. 2.4144 km S of Atka, AlaskaSat, Jul 24, 10:34 PM HADT · 1894 days ago · 21 km deep · 72 km away
15. 3.899 km SSE of Atka, AlaskaSat, Jul 24, 6:15 AM HADT · 1895 days ago · 61 km deep · 90 km away
16. 2.397 km SE of Atka, AlaskaWed, Jul 21, 9:18 PM HADT · 1897 days ago · 24 km deep · 95 km away
17. 2.6109 km SE of Atka, AlaskaWed, Jul 21, 9:12 PM HADT · 1897 days ago · 25 km deep · 83 km away
18. 1.590 km SSE of Atka, AlaskaWed, Jul 14, 6:52 PM HADT · 1904 days ago · 19 km deep · 98 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0219xjk3l9. Read Thu, Oct 1, 2026, 12:55 PM UTC.