M2.5 earthquake 52 km N of Atka, Alaska

Magnitude

2.5 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, Mar 19, 2016, 8:40 PM HADT

UTC

2016-03-20 05:40:56 UTC

Depth

197.5 km (122.7 mi), intermediate-depth

Epicenter

52.668° N, 174.215° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

13

After

1. 2.614 km WNW of Atka, AlaskaSat, Mar 26, 4:23 PM HADT · 3844 days ago · 174 km deep · 50 km away
2. 4.293 km ENE of Atka, AlaskaSun, Mar 27, 1:11 PM HADT · 3843 days ago · 218 km deep · 79 km away
3. 2.768 km NNE of Atka, AlaskaTue, Mar 29, 7:21 PM HADT · 3841 days ago · 202 km deep · 23 km away
4. 2.148 km SE of Atka, AlaskaSun, Apr 3, 5:28 PM HADT · 3836 days ago · 11 km deep · 90 km away
5. 3.045 km NW of Atka, AlaskaTue, Apr 5, 7:22 PM HADT · 3834 days ago · 229 km deep · 32 km away
6. 2.025 km SSW of Atka, AlaskaWed, Apr 6, 6:05 PM HADT · 3833 days ago · 77 km deep · 75 km away
7. 1.640 km W of Atka, AlaskaSat, Apr 9, 11:31 PM HADT · 3830 days ago · 25 km deep · 61 km away
8. 2.461 km N of Atka, AlaskaMon, Apr 11, 12:25 PM HADT · 3828 days ago · 157 km deep · 15 km away
9. 2.050 km SW of Atka, AlaskaThu, Apr 14, 1:20 PM HADT · 3825 days ago · 51 km deep · 91 km away
10. 2.621 km S of Atka, AlaskaSun, Apr 17, 8:40 PM HADT · 3822 days ago · 212 km deep · 74 km away
11. 2.577 km WNW of Atka, AlaskaMon, Apr 18, 6:04 AM HADT · 3821 days ago · 243 km deep · 82 km away
12. 3.238 km NNE of Atka, AlaskaMon, Apr 18, 10:21 PM HADT · 3821 days ago · 145 km deep · 29 km away
13. 2.319 km SW of Atka, AlaskaTue, Apr 19, 3:29 AM HADT · 3820 days ago · 149 km deep · 68 km away
14. 2.470 km NW of Atka, AlaskaTue, Apr 19, 11:27 PM HADT · 3820 days ago · 209 km deep · 40 km away
15. 1.759 km E of Atka, AlaskaThu, Apr 21, 1:25 PM HADT · 3818 days ago · 13 km deep · 78 km away
16. 1.855 km E of Atka, AlaskaThu, Apr 21, 2:16 PM HADT · 3818 days ago · 62 km deep · 76 km away
17. 2.246 km NW of Atka, AlaskaFri, Apr 22, 2:33 AM HADT · 3818 days ago · 228 km deep · 41 km away
18. 1.642 km ESE of Atka, AlaskaThu, Apr 28, 5:57 PM HADT · 3811 days ago · 37 km deep · 83 km away
19. 1.836 km SW of Atka, AlaskaFri, Apr 29, 8:26 PM HADT · 3810 days ago · 67 km deep · 84 km away
20. 2.131 km SE of Atka, AlaskaSun, May 1, 1:32 AM HADT · 3809 days ago · 0 km deep · 80 km away
21. 2.447 km SSW of Atka, AlaskaMon, May 2, 6:14 AM HADT · 3807 days ago · 46 km deep · 98 km away
22. 1.860 km E of Atka, AlaskaTue, May 3, 1:17 AM HADT · 3807 days ago · 3 km deep · 82 km away
23. 2.631 km SSW of Atka, AlaskaThu, May 5, 1:04 PM HADT · 3804 days ago · 53 km deep · 80 km away
24. 2.222 km WSW of Atka, AlaskaFri, May 6, 3:53 PM HADT · 3803 days ago · 139 km deep · 64 km away
25. 1.726 km SSE of Atka, AlaskaWed, May 11, 2:46 AM HADT · 3799 days ago · 10 km deep · 77 km away
26. 1.9Andreanof Islands, Aleutian Islands, AlaskaWed, May 11, 4:04 AM HADT · 3798 days ago · 36 km deep · 83 km away
27. 1.644 km SSE of Atka, AlaskaThu, May 12, 2:30 AM HADT · 3798 days ago · 59 km deep · 94 km away
28. 3.384 km ENE of Atka, AlaskaThu, May 12, 5:01 PM HADT · 3797 days ago · 66 km deep · 83 km away
29. 2.846 km NW of Atka, AlaskaSun, May 15, 10:27 AM HADT · 3794 days ago · 214 km deep · 45 km away
30. 3.911 km E of Atka, AlaskaMon, May 16, 5:24 PM HADT · 3793 days ago · 177 km deep · 55 km away

Before

1. 4.149 km NNE of Atka, AlaskaSat, Mar 19, 5:17 PM HADT · 3851 days ago · 180 km deep · 15 km away
2. 2.358 km W of Atka, AlaskaFri, Mar 18, 12:18 AM HADT · 3853 days ago · 13 km deep · 83 km away
3. 4.0108 km WNW of Atka, AlaskaTue, Mar 15, 9:58 AM HADT · 3855 days ago · 218 km deep · 94 km away
4. 2.132 km SSW of Atka, AlaskaTue, Mar 15, 8:48 AM HADT · 3855 days ago · 61 km deep · 84 km away
5. 2.654 km E of Atka, AlaskaSun, Mar 13, 11:22 AM HADT · 3857 days ago · 107 km deep · 74 km away
6. 3.135 km SSW of Atka, AlaskaSat, Mar 12, 3:33 PM HAST · 3858 days ago · 29 km deep · 86 km away
7. 2.513 km WNW of Atka, AlaskaFri, Mar 11, 11:20 PM HAST · 3859 days ago · 209 km deep · 49 km away
8. 2.048 km ESE of Atka, AlaskaFri, Mar 11, 10:44 PM HAST · 3859 days ago · 8 km deep · 84 km away
9. 4.130 km SSW of Atka, AlaskaFri, Mar 11, 8:05 AM HAST · 3859 days ago · 62 km deep · 81 km away
10. 1.857 km E of Atka, AlaskaWed, Mar 9, 2:31 AM HAST · 3861 days ago · 13 km deep · 85 km away
11. 2.059 km W of Atka, AlaskaFri, Mar 4, 5:04 AM HAST · 3866 days ago · 110 km deep · 79 km away
12. 2.054 km ESE of Atka, AlaskaWed, Mar 2, 3:58 PM HAST · 3868 days ago · 13 km deep · 85 km away
13. 2.0Andreanof Islands, Aleutian Islands, AlaskaMon, Feb 29, 9:21 AM HAST · 3870 days ago · 5 km deep · 83 km away
14. 2.137 km SE of Atka, AlaskaMon, Feb 29, 2:24 AM HAST · 3870 days ago · 156 km deep · 82 km away
15. 2.130 km NW of Atka, AlaskaSun, Feb 28, 11:49 PM HAST · 3871 days ago · 172 km deep · 39 km away
16. 1.847 km ESE of Atka, AlaskaSun, Feb 28, 3:46 PM HAST · 3871 days ago · 9 km deep · 82 km away
17. 1.927 km SSE of Atka, AlaskaSun, Feb 28, 12:36 PM HAST · 3871 days ago · 61 km deep · 78 km away
18. 2.062 km E of Atka, AlaskaSun, Feb 28, 5:37 AM HAST · 3871 days ago · 13 km deep · 89 km away
19. 1.825 km S of Atka, AlaskaSun, Feb 28, 3:46 AM HAST · 3871 days ago · 62 km deep · 78 km away
20. 1.641 km SSE of Atka, AlaskaSat, Feb 27, 4:41 PM HAST · 3872 days ago · 28 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0163oe7mjo. Read Sun, Oct 4, 2026, 11:27 PM UTC.