M2.1 earthquake 33 km S of Atka, Alaska

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Fri, Feb 23, 2018, 7:07 AM HAST

UTC

2018-02-23 17:07:01 UTC

Depth

60.3 km (37.5 mi), shallow

Epicenter

51.892° N, 174.240° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

12

After

1. 2.891 km S of Atka, AlaskaSat, Feb 24, 4:30 AM HAST · 3141 days ago · 17 km deep · 58 km away
2. 2.376 km ESE of Atka, AlaskaSat, Feb 24, 10:20 AM HAST · 3141 days ago · 44 km deep · 68 km away
3. 2.342 km SE of Atka, AlaskaSun, Feb 25, 4:21 PM HAST · 3140 days ago · 84 km deep · 33 km away
4. 2.3125 km SSW of Atka, AlaskaTue, Feb 27, 9:32 AM HAST · 3138 days ago · 13 km deep · 95 km away
5. 2.5122 km SSW of Atka, AlaskaTue, Feb 27, 9:33 AM HAST · 3138 days ago · 14 km deep · 92 km away
6. 2.3111 km SSW of Atka, AlaskaTue, Feb 27, 10:34 AM HAST · 3138 days ago · 11 km deep · 81 km away
7. 2.458 km ESE of Atka, AlaskaThu, Mar 1, 1:06 AM HAST · 3137 days ago · 61 km deep · 56 km away
8. 2.1104 km S of Atka, AlaskaThu, Mar 1, 2:49 AM HAST · 3137 days ago · 13 km deep · 70 km away
9. 1.934 km SE of Atka, AlaskaThu, Mar 1, 1:19 PM HAST · 3136 days ago · 65 km deep · 28 km away
10. 2.621 km NNW of Atka, AlaskaFri, Mar 2, 2:53 PM HAST · 3135 days ago · 192 km deep · 54 km away
11. 2.097 km SSW of Atka, AlaskaFri, Mar 2, 3:09 PM HAST · 3135 days ago · 25 km deep · 65 km away
12. 1.770 km WSW of Atka, AlaskaFri, Mar 2, 11:45 PM HAST · 3135 days ago · 45 km deep · 57 km away
13. 2.59 km NNE of Atka, AlaskaSat, Mar 3, 9:22 PM HAST · 3134 days ago · 145 km deep · 43 km away
14. 1.692 km SW of Atka, AlaskaSun, Mar 4, 4:22 AM HAST · 3133 days ago · 26 km deep · 71 km away
15. 1.865 km SW of Atka, AlaskaSun, Mar 4, 11:36 AM HAST · 3133 days ago · 22 km deep · 43 km away
16. 1.838 km SE of Atka, AlaskaSun, Mar 4, 3:09 PM HAST · 3133 days ago · 15 km deep · 35 km away
17. 2.3125 km SSE of Atka, AlaskaSun, Mar 4, 11:03 PM HAST · 3133 days ago · 26 km deep · 98 km away
18. 2.670 km E of Adak, AlaskaWed, Mar 7, 12:49 PM HAST · 3130 days ago · 75 km deep · 94 km away
19. 2.1109 km SSW of Atka, AlaskaFri, Mar 9, 8:01 PM HAST · 3128 days ago · 5 km deep · 80 km away
20. 2.876 km SSW of Atka, AlaskaSat, Mar 10, 5:33 AM HAST · 3127 days ago · 35 km deep · 47 km away
21. 1.862 km SSW of Atka, AlaskaSat, Mar 10, 8:16 AM HAST · 3127 days ago · 24 km deep · 34 km away
22. 2.2118 km S of Atka, AlaskaSat, Mar 10, 9:56 AM HAST · 3127 days ago · 12 km deep · 85 km away
23. 2.1119 km SSW of Atka, AlaskaSat, Mar 10, 12:04 PM HAST · 3127 days ago · 26 km deep · 89 km away
24. 2.954 km S of Atka, AlaskaSun, Mar 11, 5:01 AM HADT · 3126 days ago · 55 km deep · 23 km away
25. 2.557 km S of Atka, AlaskaSun, Mar 11, 5:03 AM HADT · 3126 days ago · 40 km deep · 25 km away
26. 2.885 km SE of Atka, AlaskaSun, Mar 11, 10:31 AM HADT · 3126 days ago · 41 km deep · 68 km away
27. 3.853 km NE of Atka, AlaskaMon, Mar 12, 8:29 AM HADT · 3125 days ago · 174 km deep · 82 km away
28. 2.3100 km S of Atka, AlaskaMon, Mar 12, 3:29 PM HADT · 3125 days ago · 38 km deep · 66 km away
29. 1.865 km SW of Atka, AlaskaTue, Mar 13, 12:30 AM HADT · 3125 days ago · 54 km deep · 46 km away
30. 4.648 km SW of Atka, AlaskaWed, Mar 14, 1:42 AM HADT · 3124 days ago · 68 km deep · 34 km away · felt by 1
31. 4.041 km WNW of Atka, AlaskaThu, Mar 15, 2:34 AM HADT · 3123 days ago · 222 km deep · 63 km away
32. 2.785 km SE of Atka, AlaskaThu, Mar 15, 6:57 AM HADT · 3122 days ago · 18 km deep · 63 km away
33. 2.444 km SSE of Atka, AlaskaThu, Mar 15, 7:42 AM HADT · 3122 days ago · 52 km deep · 22 km away
34. 2.096 km ESE of Adak, AlaskaThu, Mar 15, 10:00 AM HADT · 3122 days ago · 49 km deep · 79 km away
35. 2.1112 km S of Atka, AlaskaFri, Mar 16, 8:27 AM HADT · 3121 days ago · 17 km deep · 80 km away
36. 1.929 km SSW of Atka, AlaskaFri, Mar 16, 9:22 AM HADT · 3121 days ago · 60 km deep · 7 km away
37. 1.929 km SSW of Atka, AlaskaFri, Mar 16, 4:49 PM HADT · 3121 days ago · 59 km deep · 11 km away
38. 1.878 km E of Adak, AlaskaFri, Mar 16, 6:38 PM HADT · 3121 days ago · 38 km deep · 86 km away
39. 3.832 km ESE of Atka, AlaskaSat, Mar 17, 3:43 AM HADT · 3121 days ago · 82 km deep · 37 km away
40. 1.957 km SSE of Atka, AlaskaSat, Mar 17, 9:15 AM HADT · 3120 days ago · 34 km deep · 34 km away
41. 2.4103 km S of Atka, AlaskaSat, Mar 17, 11:04 AM HADT · 3120 days ago · 39 km deep · 69 km away
42. 2.178 km SSE of Atka, AlaskaSun, Mar 18, 10:59 PM HADT · 3119 days ago · 16 km deep · 50 km away
43. 3.562 km SSW of Atka, AlaskaMon, Mar 19, 4:07 AM HADT · 3119 days ago · 55 km deep · 33 km away
44. 1.763 km SSW of Atka, AlaskaMon, Mar 19, 8:32 AM HADT · 3118 days ago · 26 km deep · 37 km away
45. 2.318 km SSW of Atka, AlaskaMon, Mar 19, 9:34 PM HADT · 3118 days ago · 72 km deep · 17 km away
46. 1.844 km SE of Atka, AlaskaMon, Mar 19, 11:43 PM HADT · 3118 days ago · 68 km deep · 34 km away
47. 3.766 km ENE of Atka, AlaskaWed, Mar 21, 6:02 AM HADT · 3116 days ago · 137 km deep · 83 km away
48. 2.498 km ESE of Adak, AlaskaFri, Mar 23, 5:30 AM HADT · 3114 days ago · 49 km deep · 82 km away
49. 3.0Andreanof Islands, Aleutian Islands, AlaskaSat, Mar 24, 7:10 AM HADT · 3113 days ago · 23 km deep · 62 km away
50. 3.0113 km SE of Atka, AlaskaTue, Mar 27, 5:44 PM HADT · 3110 days ago · 35 km deep · 95 km away
51. 1.653 km SSW of Atka, AlaskaTue, Mar 27, 11:04 PM HADT · 3110 days ago · 23 km deep · 22 km away
52. 2.183 km ESE of Adak, AlaskaWed, Mar 28, 3:31 AM HADT · 3110 days ago · 45 km deep · 85 km away
53. 2.125 km ENE of Atka, AlaskaWed, Mar 28, 12:04 PM HADT · 3109 days ago · 6 km deep · 49 km away
54. 2.457 km NNW of Atka, AlaskaWed, Mar 28, 3:07 PM HADT · 3109 days ago · 211 km deep · 89 km away
55. 2.649 km NE of Atka, AlaskaWed, Mar 28, 7:38 PM HADT · 3109 days ago · 207 km deep · 78 km away
56. 2.715 km NW of Atka, AlaskaFri, Mar 30, 4:03 PM HADT · 3107 days ago · 147 km deep · 47 km away
57. 2.793 km ESE of Atka, AlaskaFri, Mar 30, 8:36 PM HADT · 3107 days ago · 10 km deep · 83 km away
58. 2.333 km SE of Atka, AlaskaFri, Mar 30, 9:38 PM HADT · 3107 days ago · 20 km deep · 26 km away
59. 1.717 km SW of Atka, AlaskaSat, Mar 31, 8:13 AM HADT · 3106 days ago · 7 km deep · 26 km away
60. 1.646 km SSW of Atka, AlaskaWed, Apr 4, 11:30 AM HADT · 3102 days ago · 54 km deep · 13 km away

The first 60 of 72.

Before

1. 3.083 km SSE of Atka, AlaskaFri, Feb 23, 5:49 AM HAST · 3142 days ago · 22 km deep · 53 km away
2. 2.334 km SSE of Atka, AlaskaThu, Feb 22, 7:31 AM HAST · 3143 days ago · 62 km deep · 11 km away
3. 1.769 km E of Adak, AlaskaThu, Feb 22, 7:01 AM HAST · 3143 days ago · 53 km deep · 98 km away
4. 1.990 km SW of Atka, AlaskaThu, Feb 22, 5:22 AM HAST · 3143 days ago · 48 km deep · 64 km away
5. 1.888 km ESE of Adak, AlaskaWed, Feb 21, 10:09 PM HAST · 3144 days ago · 53 km deep · 81 km away
6. 2.4114 km S of Atka, AlaskaWed, Feb 21, 7:10 PM HAST · 3144 days ago · 1 km deep · 81 km away
7. 3.174 km SW of Atka, AlaskaWed, Feb 21, 2:35 PM HAST · 3144 days ago · 35 km deep · 59 km away
8. 1.935 km SW of Atka, AlaskaMon, Feb 19, 4:03 PM HAST · 3146 days ago · 19 km deep · 28 km away
9. 3.950 km SE of Atka, AlaskaMon, Feb 19, 3:33 AM HAST · 3147 days ago · 183 km deep · 41 km away
10. 2.7Andreanof Islands, Aleutian Islands, AlaskaSun, Feb 18, 12:19 PM HAST · 3147 days ago · 46 km deep · 14 km away
11. 2.938 km NE of Atka, AlaskaSun, Feb 18, 10:42 AM HAST · 3147 days ago · 167 km deep · 68 km away
12. 2.731 km NW of Atka, AlaskaSat, Feb 17, 5:51 AM HAST · 3148 days ago · 212 km deep · 62 km away
13. 2.262 km SSW of Atka, AlaskaWed, Feb 14, 4:16 AM HAST · 3151 days ago · 26 km deep · 32 km away
14. 2.241 km W of Atka, AlaskaTue, Feb 13, 5:07 AM HAST · 3152 days ago · 97 km deep · 51 km away
15. 2.140 km SW of Atka, AlaskaSun, Feb 11, 11:16 AM HAST · 3154 days ago · 88 km deep · 28 km away
16. 1.880 km ESE of Adak, AlaskaSun, Feb 11, 8:29 AM HAST · 3154 days ago · 25 km deep · 99 km away
17. 2.710 km WSW of Atka, AlaskaSat, Feb 10, 5:06 PM HAST · 3155 days ago · 207 km deep · 30 km away
18. 2.512 km S of Atka, AlaskaSat, Feb 10, 6:19 AM HAST · 3155 days ago · 15 km deep · 22 km away
19. 2.4106 km S of Atka, AlaskaSat, Feb 10, 6:06 AM HAST · 3155 days ago · 8 km deep · 73 km away
20. 3.019 km SSE of Atka, AlaskaSat, Feb 10, 4:11 AM HAST · 3155 days ago · 10 km deep · 16 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0182hl6m2f (also filed as ak18576664). Read Fri, Oct 2, 2026, 1:04 AM UTC.