M2.1 earthquake 78 km SSE of Atka, Alaska

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Mar 18, 2018, 10:59 PM HADT

UTC

2018-03-19 07:59:18 UTC

Depth

15.8 km (9.8 mi), shallow

Epicenter

51.536° N, 173.791° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

11

After

1. 3.562 km SSW of Atka, AlaskaMon, Mar 19, 4:07 AM HADT · 3118 days ago · 55 km deep · 60 km away
2. 1.763 km SSW of Atka, AlaskaMon, Mar 19, 8:32 AM HADT · 3118 days ago · 26 km deep · 66 km away
3. 2.4146 km SSW of Atka, AlaskaMon, Mar 19, 7:48 PM HADT · 3118 days ago · 23 km deep · 92 km away
4. 2.318 km SSW of Atka, AlaskaMon, Mar 19, 9:34 PM HADT · 3117 days ago · 72 km deep · 66 km away
5. 1.844 km SE of Atka, AlaskaMon, Mar 19, 11:43 PM HADT · 3117 days ago · 68 km deep · 41 km away
6. 3.766 km ENE of Atka, AlaskaWed, Mar 21, 6:02 AM HADT · 3116 days ago · 137 km deep · 95 km away
7. 3.0Andreanof Islands, Aleutian Islands, AlaskaSat, Mar 24, 7:10 AM HADT · 3113 days ago · 23 km deep · 76 km away
8. 3.0113 km SE of Atka, AlaskaTue, Mar 27, 5:44 PM HADT · 3110 days ago · 35 km deep · 53 km away
9. 1.653 km SSW of Atka, AlaskaTue, Mar 27, 11:04 PM HADT · 3109 days ago · 23 km deep · 51 km away
10. 2.125 km ENE of Atka, AlaskaWed, Mar 28, 12:04 PM HADT · 3109 days ago · 6 km deep · 81 km away
11. 2.715 km NW of Atka, AlaskaFri, Mar 30, 4:03 PM HADT · 3107 days ago · 147 km deep · 94 km away
12. 2.793 km ESE of Atka, AlaskaFri, Mar 30, 8:36 PM HADT · 3106 days ago · 10 km deep · 56 km away
13. 2.333 km SE of Atka, AlaskaFri, Mar 30, 9:38 PM HADT · 3106 days ago · 20 km deep · 48 km away
14. 1.717 km SW of Atka, AlaskaSat, Mar 31, 8:13 AM HADT · 3106 days ago · 7 km deep · 76 km away
15. 1.646 km SSW of Atka, AlaskaWed, Apr 4, 11:30 AM HADT · 3102 days ago · 54 km deep · 48 km away
16. 2.1133 km S of Atka, AlaskaWed, Apr 4, 2:21 PM HADT · 3102 days ago · 5 km deep · 60 km away
17. 1.882 km SW of Atka, AlaskaWed, Apr 4, 3:23 PM HADT · 3102 days ago · 15 km deep · 77 km away
18. 2.944 km SE of Atka, AlaskaSat, Apr 7, 5:53 AM HADT · 3099 days ago · 153 km deep · 37 km away
19. 2.286 km SW of Atka, AlaskaSat, Apr 7, 7:39 AM HADT · 3099 days ago · 41 km deep · 93 km away
20. 3.3103 km SE of Atka, AlaskaSat, Apr 7, 5:46 PM HADT · 3099 days ago · 16 km deep · 54 km away
21. 2.463 km WSW of Atka, AlaskaSat, Apr 7, 11:16 PM HADT · 3098 days ago · 67 km deep · 93 km away
22. 2.347 km SSE of Atka, AlaskaTue, Apr 10, 1:41 AM HADT · 3096 days ago · 39 km deep · 32 km away
23. 3.4105 km S of Atka, AlaskaThu, Apr 12, 5:40 AM HADT · 3094 days ago · 21 km deep · 56 km away
24. 2.791 km SSW of Atka, AlaskaThu, Apr 12, 7:31 AM HADT · 3094 days ago · 12 km deep · 79 km away
25. 3.7133 km SSE of Atka, AlaskaThu, Apr 12, 2:03 PM HADT · 3094 days ago · 32 km deep · 55 km away
26. 3.035 km ENE of Atka, AlaskaSat, Apr 14, 1:06 AM HADT · 3092 days ago · 152 km deep · 85 km away
27. 2.892 km ESE of Atka, AlaskaFri, Apr 20, 2:09 PM HADT · 3086 days ago · 35 km deep · 55 km away
28. 4.094 km SW of Atka, AlaskaSat, Apr 21, 1:30 PM HADT · 3085 days ago · 58 km deep · 94 km away
29. 2.6113 km SE of Atka, AlaskaMon, Apr 30, 6:26 AM HADT · 3076 days ago · 26 km deep · 51 km away
30. 2.149 km SSW of Atka, AlaskaMon, Apr 30, 10:10 AM HADT · 3076 days ago · 23 km deep · 56 km away
31. 2.671 km ESE of Atka, AlaskaWed, May 2, 9:18 PM HADT · 3073 days ago · 46 km deep · 69 km away
32. 4.073 km SSE of Atka, AlaskaThu, May 3, 10:31 AM HADT · 3073 days ago · 41 km deep · 5 km away
33. 3.6111 km S of Atka, AlaskaMon, May 14, 11:42 AM HADT · 3062 days ago · 8 km deep · 45 km away
34. 2.466 km SSE of Atka, AlaskaTue, May 15, 9:22 AM HADT · 3061 days ago · 27 km deep · 12 km away
35. 2.267 km SSE of Atka, AlaskaTue, May 15, 9:38 AM HADT · 3061 days ago · 20 km deep · 15 km away
36. 2.575 km SW of Atka, AlaskaTue, May 15, 12:29 PM HADT · 3061 days ago · 76 km deep · 79 km away
37. 3.135 km SSE of Atka, AlaskaTue, May 15, 5:41 PM HADT · 3061 days ago · 195 km deep · 44 km away

Before

1. 2.4103 km S of Atka, AlaskaSat, Mar 17, 11:04 AM HADT · 3120 days ago · 39 km deep · 45 km away
2. 1.957 km SSE of Atka, AlaskaSat, Mar 17, 9:15 AM HADT · 3120 days ago · 34 km deep · 22 km away
3. 3.832 km ESE of Atka, AlaskaSat, Mar 17, 3:43 AM HADT · 3120 days ago · 82 km deep · 58 km away
4. 1.929 km SSW of Atka, AlaskaFri, Mar 16, 4:49 PM HADT · 3121 days ago · 59 km deep · 61 km away
5. 1.929 km SSW of Atka, AlaskaFri, Mar 16, 9:22 AM HADT · 3121 days ago · 60 km deep · 57 km away
6. 2.1112 km S of Atka, AlaskaFri, Mar 16, 8:27 AM HADT · 3121 days ago · 17 km deep · 39 km away
7. 2.444 km SSE of Atka, AlaskaThu, Mar 15, 7:42 AM HADT · 3122 days ago · 52 km deep · 34 km away
8. 2.785 km SE of Atka, AlaskaThu, Mar 15, 6:57 AM HADT · 3122 days ago · 18 km deep · 22 km away
9. 4.648 km SW of Atka, AlaskaWed, Mar 14, 1:42 AM HADT · 3123 days ago · 68 km deep · 77 km away · felt by 1
10. 2.2132 km SSE of Atka, AlaskaTue, Mar 13, 1:15 AM HADT · 3124 days ago · 12 km deep · 55 km away
11. 1.865 km SW of Atka, AlaskaTue, Mar 13, 12:30 AM HADT · 3124 days ago · 54 km deep · 81 km away
12. 2.3100 km S of Atka, AlaskaMon, Mar 12, 3:29 PM HADT · 3125 days ago · 38 km deep · 42 km away
13. 2.885 km SE of Atka, AlaskaSun, Mar 11, 10:31 AM HADT · 3126 days ago · 41 km deep · 33 km away
14. 2.557 km S of Atka, AlaskaSun, Mar 11, 5:03 AM HADT · 3126 days ago · 40 km deep · 26 km away
15. 2.954 km S of Atka, AlaskaSun, Mar 11, 5:01 AM HADT · 3126 days ago · 55 km deep · 28 km away
16. 2.1119 km SSW of Atka, AlaskaSat, Mar 10, 12:04 PM HAST · 3127 days ago · 26 km deep · 90 km away
17. 2.2118 km S of Atka, AlaskaSat, Mar 10, 9:56 AM HAST · 3127 days ago · 12 km deep · 45 km away
18. 1.862 km SSW of Atka, AlaskaSat, Mar 10, 8:16 AM HAST · 3127 days ago · 24 km deep · 60 km away
19. 2.876 km SSW of Atka, AlaskaSat, Mar 10, 5:33 AM HAST · 3127 days ago · 35 km deep · 66 km away
20. 2.1109 km SSW of Atka, AlaskaFri, Mar 9, 8:01 PM HAST · 3127 days ago · 5 km deep · 87 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0183l4fsel (also filed as ak18710486). Read Thu, Oct 1, 2026, 4:30 PM UTC.