M2.1 earthquake 83 km ESE of Adak, Alaska

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Wed, Mar 28, 2018, 3:31 AM HADT

UTC

2018-03-28 12:31:41 UTC

Depth

45.0 km (28.0 mi), shallow

Epicenter

51.730° N, 175.446° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

16

After

1. 1.66 km NE of Adak, AlaskaWed, Mar 28, 6:21 AM HADT · 3110 days ago · 73 km deep · 81 km away
2. 1.752 km SE of Adak, AlaskaThu, Mar 29, 4:22 AM HADT · 3109 days ago · 62 km deep · 41 km away
3. 3.476 km SSE of Adak, AlaskaThu, Mar 29, 6:22 PM HADT · 3108 days ago · 15 km deep · 81 km away
4. 2.263 km SE of Adak, AlaskaThu, Mar 29, 10:34 PM HADT · 3108 days ago · 53 km deep · 37 km away
5. 2.327 km SSE of Adak, AlaskaFri, Mar 30, 2:24 AM HADT · 3108 days ago · 48 km deep · 69 km away
6. 2.715 km NW of Atka, AlaskaFri, Mar 30, 4:03 PM HADT · 3108 days ago · 147 km deep · 99 km away
7. 2.557 km E of Adak, AlaskaFri, Mar 30, 7:26 PM HADT · 3107 days ago · 214 km deep · 36 km away
8. 2.556 km ESE of Adak, AlaskaSat, Mar 31, 2:19 AM HADT · 3107 days ago · 52 km deep · 37 km away
9. 1.717 km SW of Atka, AlaskaSat, Mar 31, 8:13 AM HADT · 3107 days ago · 7 km deep · 82 km away
10. 2.042 km SSE of Adak, AlaskaSun, Apr 1, 10:54 PM HADT · 3105 days ago · 52 km deep · 72 km away
11. 2.137 km SSE of Adak, AlaskaMon, Apr 2, 7:08 AM HADT · 3105 days ago · 24 km deep · 69 km away
12. 2.938 km S of Adak, AlaskaTue, Apr 3, 11:35 AM HADT · 3104 days ago · 31 km deep · 91 km away
13. 1.847 km SE of Adak, AlaskaWed, Apr 4, 2:28 AM HADT · 3103 days ago · 49 km deep · 47 km away
14. 1.646 km SSW of Atka, AlaskaWed, Apr 4, 11:30 AM HADT · 3103 days ago · 54 km deep · 76 km away
15. 1.882 km SW of Atka, AlaskaWed, Apr 4, 3:23 PM HADT · 3103 days ago · 15 km deep · 40 km away
16. 2.040 km ENE of Adak, AlaskaWed, Apr 4, 9:58 PM HADT · 3102 days ago · 125 km deep · 54 km away
17. 2.263 km SE of Adak, AlaskaFri, Apr 6, 10:59 AM HADT · 3101 days ago · 45 km deep · 35 km away
18. 2.450 km SSE of Adak, AlaskaFri, Apr 6, 11:30 AM HADT · 3101 days ago · 24 km deep · 60 km away
19. 2.286 km SW of Atka, AlaskaSat, Apr 7, 7:39 AM HADT · 3100 days ago · 41 km deep · 24 km away
20. 1.954 km S of Adak, AlaskaSat, Apr 7, 5:21 PM HADT · 3099 days ago · 83 km deep · 91 km away
21. 2.463 km WSW of Atka, AlaskaSat, Apr 7, 11:16 PM HADT · 3099 days ago · 67 km deep · 37 km away
22. 1.945 km SE of Adak, AlaskaSun, Apr 8, 3:38 AM HADT · 3099 days ago · 42 km deep · 51 km away
23. 3.242 km ENE of Adak, AlaskaMon, Apr 9, 11:45 PM HADT · 3097 days ago · 155 km deep · 47 km away
24. 2.347 km SSE of Atka, AlaskaTue, Apr 10, 1:41 AM HADT · 3097 days ago · 39 km deep · 96 km away
25. 2.661 km SSE of Adak, AlaskaTue, Apr 10, 8:55 AM HADT · 3097 days ago · 39 km deep · 70 km away
26. 3.079 km S of Adak, AlaskaTue, Apr 10, 10:29 PM HADT · 3096 days ago · 57 km deep · 97 km away
27. 3.4105 km S of Atka, AlaskaThu, Apr 12, 5:40 AM HADT · 3095 days ago · 21 km deep · 85 km away
28. 2.791 km SSW of Atka, AlaskaThu, Apr 12, 7:31 AM HADT · 3095 days ago · 12 km deep · 44 km away
29. 4.094 km SW of Atka, AlaskaSat, Apr 21, 1:30 PM HADT · 3086 days ago · 58 km deep · 27 km away
30. 1.723 km SW of Adak, AlaskaMon, Apr 23, 3:03 PM HADT · 3084 days ago · 45 km deep · 97 km away
31. 2.047 km ESE of Adak, AlaskaWed, Apr 25, 9:04 PM HADT · 3081 days ago · 60 km deep · 38 km away
32. 2.033 km SSE of Adak, AlaskaThu, Apr 26, 3:44 AM HADT · 3081 days ago · 43 km deep · 68 km away
33. 2.188 km WSW of Atka, AlaskaSat, Apr 28, 12:02 PM HADT · 3079 days ago · 57 km deep · 12 km away
34. 2.149 km SSW of Atka, AlaskaMon, Apr 30, 10:10 AM HADT · 3077 days ago · 23 km deep · 66 km away
35. 2.065 km SSE of Adak, AlaskaMon, Apr 30, 7:03 PM HADT · 3076 days ago · 42 km deep · 83 km away
36. 2.158 km SSE of Adak, AlaskaMon, Apr 30, 8:42 PM HADT · 3076 days ago · 26 km deep · 68 km away
37. 1.757 km SE of Adak, AlaskaTue, May 1, 10:45 PM HADT · 3075 days ago · 22 km deep · 49 km away
38. 3.352 km SE of Adak, AlaskaSat, May 5, 9:35 PM HADT · 3071 days ago · 23 km deep · 53 km away
39. 2.862 km ESE of Adak, AlaskaTue, May 8, 10:39 PM HADT · 3068 days ago · 30 km deep · 26 km away
40. 2.575 km SW of Atka, AlaskaTue, May 15, 12:29 PM HADT · 3062 days ago · 76 km deep · 38 km away
41. 3.135 km SSE of Atka, AlaskaTue, May 15, 5:41 PM HADT · 3061 days ago · 195 km deep · 96 km away
42. 4.136 km WNW of Atka, AlaskaMon, May 21, 10:50 PM HADT · 3055 days ago · 212 km deep · 87 km away
43. 1.945 km SSW of Atka, AlaskaWed, May 23, 4:20 PM HADT · 3054 days ago · 45 km deep · 75 km away
44. 3.362 km SW of Atka, AlaskaWed, May 23, 9:31 PM HADT · 3053 days ago · 16 km deep · 47 km away
45. 4.857 km ESE of Adak, AlaskaThu, May 24, 6:54 PM HADT · 3052 days ago · 60 km deep · 28 km away · felt by 1
46. 3.853 km ESE of Adak, AlaskaSat, May 26, 7:17 AM HADT · 3051 days ago · 51 km deep · 32 km away

Before

1. 1.653 km SSW of Atka, AlaskaTue, Mar 27, 11:04 PM HADT · 3110 days ago · 23 km deep · 68 km away
2. 1.757 km SE of Adak, AlaskaTue, Mar 27, 6:35 PM HADT · 3110 days ago · 49 km deep · 44 km away
3. 2.658 km SE of Adak, AlaskaSun, Mar 25, 12:20 PM HADT · 3113 days ago · 41 km deep · 55 km away
4. 3.0Andreanof Islands, Aleutian Islands, AlaskaSat, Mar 24, 7:10 AM HADT · 3114 days ago · 23 km deep · 46 km away
5. 2.498 km ESE of Adak, AlaskaFri, Mar 23, 5:30 AM HADT · 3115 days ago · 49 km deep · 21 km away
6. 2.136 km S of Adak, AlaskaTue, Mar 20, 6:51 PM HADT · 3117 days ago · 41 km deep · 89 km away
7. 1.633 km SSW of Adak, AlaskaMon, Mar 19, 10:31 PM HADT · 3118 days ago · 41 km deep · 91 km away
8. 2.318 km SSW of Atka, AlaskaMon, Mar 19, 9:34 PM HADT · 3118 days ago · 72 km deep · 86 km away
9. 1.955 km SSE of Adak, AlaskaMon, Mar 19, 5:04 PM HADT · 3119 days ago · 24 km deep · 81 km away
10. 1.763 km SSW of Atka, AlaskaMon, Mar 19, 8:32 AM HADT · 3119 days ago · 26 km deep · 51 km away
11. 3.562 km SSW of Atka, AlaskaMon, Mar 19, 4:07 AM HADT · 3119 days ago · 55 km deep · 57 km away
12. 2.632 km S of Adak, AlaskaSat, Mar 17, 11:30 PM HADT · 3120 days ago · 42 km deep · 87 km away
13. 2.4103 km S of Atka, AlaskaSat, Mar 17, 11:04 AM HADT · 3121 days ago · 39 km deep · 96 km away
14. 1.661 km ESE of Adak, AlaskaSat, Mar 17, 6:09 AM HADT · 3121 days ago · 42 km deep · 27 km away
15. 1.962 km SE of Adak, AlaskaSat, Mar 17, 1:17 AM HADT · 3121 days ago · 18 km deep · 50 km away
16. 2.490 km SE of Adak, AlaskaFri, Mar 16, 9:22 PM HADT · 3121 days ago · 26 km deep · 38 km away
17. 1.878 km E of Adak, AlaskaFri, Mar 16, 6:38 PM HADT · 3121 days ago · 38 km deep · 13 km away
18. 2.321 km SSW of Adak, AlaskaFri, Mar 16, 6:06 PM HADT · 3121 days ago · 69 km deep · 89 km away
19. 1.929 km SSW of Atka, AlaskaFri, Mar 16, 4:49 PM HADT · 3122 days ago · 59 km deep · 78 km away
20. 1.929 km SSW of Atka, AlaskaFri, Mar 16, 9:22 AM HADT · 3122 days ago · 60 km deep · 82 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak01840334nr (also filed as ak18800363). Read Fri, Oct 2, 2026, 1:42 PM UTC.