M1.9 earthquake 78 km SE of Atka, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, Apr 24, 2021, 5:05 PM HADT

UTC

2021-04-25 02:05:27 UTC

Depth

11.5 km (7.1 mi), shallow

Epicenter

51.711° N, 173.362° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

13

After

1. 2.968 km E of Atka, AlaskaSat, Apr 24, 8:38 PM HADT · 1989 days ago · 223 km deep · 68 km away
2. 1.5Andreanof Islands, Aleutian Islands, AlaskaMon, Apr 26, 4:50 PM HADT · 1987 days ago · 6 km deep · 86 km away
3. 1.943 km SSW of Atka, AlaskaTue, Apr 27, 3:59 AM HADT · 1987 days ago · 44 km deep · 70 km away
4. 2.194 km SE of Atka, AlaskaThu, Apr 29, 1:06 AM HADT · 1985 days ago · 18 km deep · 17 km away
5. 2.363 km S of Atka, AlaskaThu, Apr 29, 4:29 AM HADT · 1985 days ago · 21 km deep · 58 km away
6. 3.7126 km SSE of Atka, AlaskaSat, May 1, 6:44 AM HADT · 1983 days ago · 38 km deep · 61 km away
7. 3.345 km SSE of Atka, AlaskaSat, May 1, 10:59 PM HADT · 1982 days ago · 56 km deep · 37 km away
8. 2.684 km SSE of Atka, AlaskaThu, May 13, 8:56 AM HADT · 1971 days ago · 35 km deep · 24 km away
9. 2.955 km SW of Atka, AlaskaThu, May 13, 9:20 PM HADT · 1970 days ago · 51 km deep · 96 km away
10. 2.1140 km SSE of Atka, AlaskaTue, May 18, 1:26 AM HADT · 1966 days ago · 38 km deep · 78 km away
11. 3.955 km SSE of Atka, AlaskaFri, May 21, 3:14 PM HADT · 1962 days ago · 35 km deep · 37 km away
12. 4.295 km SE of Atka, AlaskaFri, May 21, 8:50 PM HADT · 1962 days ago · 16 km deep · 19 km away
13. 4.281 km SE of Atka, AlaskaFri, May 21, 11:56 PM HADT · 1962 days ago · 41 km deep · 3 km away
14. 5.175 km SE of Atka, AlaskaSat, May 22, 12:04 AM HADT · 1962 days ago · 21 km deep · 4 km away
15. 3.879 km SE of Atka, AlaskaSat, May 22, 2:36 AM HADT · 1962 days ago · 45 km deep · 5 km away
16. 3.6123 km SSE of Atka, AlaskaSat, May 22, 3:08 AM HADT · 1962 days ago · 39 km deep · 51 km away
17. 4.198 km SE of Atka, AlaskaSat, May 22, 3:51 AM HADT · 1962 days ago · 45 km deep · 23 km away
18. 4.099 km SE of Atka, AlaskaSat, May 22, 4:57 AM HADT · 1962 days ago · 35 km deep · 23 km away
19. 4.245 km E of Atka, AlaskaSun, May 30, 9:07 AM HADT · 1954 days ago · 148 km deep · 56 km away
20. 2.042 km SW of Atka, AlaskaMon, May 31, 6:08 AM HADT · 1953 days ago · 55 km deep · 90 km away
21. 2.4118 km SSE of Atka, AlaskaMon, May 31, 7:00 AM HADT · 1953 days ago · 37 km deep · 71 km away
22. 3.3107 km SSE of Atka, AlaskaThu, Jun 3, 2:34 AM HADT · 1950 days ago · 33 km deep · 36 km away
23. 2.0141 km SE of Atka, AlaskaThu, Jun 3, 9:11 AM HADT · 1950 days ago · 24 km deep · 63 km away
24. 2.5159 km SSE of Atka, AlaskaSun, Jun 6, 12:52 PM HADT · 1946 days ago · 10 km deep · 86 km away
25. 3.2Andreanof Islands, Aleutian Islands, AlaskaWed, Jun 9, 7:41 PM HADT · 1943 days ago · 35 km deep · 73 km away
26. 2.9Andreanof Islands, Aleutian Islands, AlaskaThu, Jun 10, 6:02 PM HADT · 1942 days ago · 35 km deep · 26 km away
27. 2.7Andreanof Islands, Aleutian Islands, AlaskaSat, Jun 12, 12:13 AM HADT · 1941 days ago · 35 km deep · 22 km away
28. 4.189 km SSE of Atka, AlaskaSat, Jun 12, 1:40 AM HADT · 1941 days ago · 30 km deep · 25 km away
29. 2.915 km NNE of Atka, AlaskaSat, Jun 12, 5:17 AM HADT · 1941 days ago · 178 km deep · 87 km away
30. 2.994 km SE of Atka, AlaskaTue, Jun 22, 6:13 PM HADT · 1930 days ago · 11 km deep · 23 km away

Before

1. 3.168 km SE of Atka, AlaskaFri, Apr 23, 12:42 AM HADT · 1991 days ago · 35 km deep · 14 km away
2. 2.120 km ESE of Atka, AlaskaThu, Apr 22, 11:53 PM HADT · 1991 days ago · 146 km deep · 61 km away
3. 2.154 km E of Atka, AlaskaThu, Apr 22, 11:15 PM HADT · 1991 days ago · 88 km deep · 50 km away
4. 2.237 km ESE of Atka, AlaskaThu, Apr 22, 9:25 PM HADT · 1991 days ago · 153 km deep · 49 km away
5. 2.220 km E of Atka, AlaskaWed, Apr 21, 9:17 PM HADT · 1992 days ago · 115 km deep · 68 km away
6. 4.0163 km SE of Atka, AlaskaTue, Apr 20, 4:32 PM HADT · 1993 days ago · 26 km deep · 84 km away
7. 2.228 km SE of Atka, AlaskaMon, Apr 19, 1:20 AM HADT · 1995 days ago · 70 km deep · 51 km away
8. 2.933 km S of Atka, AlaskaSun, Apr 18, 9:36 PM HADT · 1995 days ago · 3 km deep · 62 km away
9. 3.1153 km E of Atka, AlaskaSun, Apr 18, 10:58 AM HADT · 1995 days ago · 20 km deep · 98 km away
10. 1.861 km E of Atka, AlaskaSun, Apr 18, 6:52 AM HADT · 1996 days ago · 13 km deep · 52 km away
11. 1.943 km SE of Atka, AlaskaSun, Apr 18, 4:58 AM HADT · 1996 days ago · 17 km deep · 36 km away
12. 1.815 km SSW of Atka, AlaskaSun, Apr 18, 1:55 AM HADT · 1996 days ago · 74 km deep · 75 km away
13. 2.9149 km E of Atka, AlaskaSat, Apr 17, 4:15 PM HADT · 1996 days ago · 35 km deep · 99 km away
14. 2.0124 km S of Atka, AlaskaSat, Apr 17, 11:23 AM HADT · 1996 days ago · 18 km deep · 98 km away
15. 2.5120 km E of Atka, AlaskaSat, Apr 17, 6:44 AM HADT · 1997 days ago · 102 km deep · 86 km away
16. 1.863 km E of Atka, AlaskaSat, Apr 17, 6:20 AM HADT · 1997 days ago · 4 km deep · 65 km away
17. 1.628 km SE of Atka, AlaskaFri, Apr 16, 5:48 PM HADT · 1997 days ago · 11 km deep · 52 km away
18. 1.978 km SSE of Atka, AlaskaFri, Apr 16, 3:54 PM HADT · 1997 days ago · 17 km deep · 28 km away
19. 1.654 km E of Atka, AlaskaFri, Apr 16, 2:59 AM HADT · 1998 days ago · 13 km deep · 52 km away
20. 3.149 km SW of Atka, AlaskaThu, Apr 15, 5:02 PM HADT · 1998 days ago · 10 km deep · 99 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0215a80wnw. Read Mon, Oct 5, 2026, 7:22 AM UTC.