M2.1 earthquake 175 km W of Adak, Alaska

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Mon, Oct 16, 2023, 3:33 PM HADT

UTC

2023-10-17 00:33:19 UTC

Depth

64.1 km (39.8 mi), shallow

Epicenter

51.598° N, 179.133° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

16

After

1. 1.6260 km W of Adak, AlaskaTue, Oct 17, 4:23 PM GMT+12 · 1081 days ago · 25 km deep · 87 km away
2. 2.2201 km W of Adak, AlaskaTue, Oct 17, 12:47 AM HADT · 1081 days ago · 76 km deep · 29 km away
3. 2.8130 km W of Adak, AlaskaTue, Oct 17, 3:06 AM HADT · 1081 days ago · 10 km deep · 45 km away
4. 1.8146 km W of Adak, AlaskaTue, Oct 17, 3:54 AM HADT · 1080 days ago · 13 km deep · 29 km away
5. 1.8132 km WSW of Adak, AlaskaTue, Oct 17, 7:43 PM HADT · 1080 days ago · 37 km deep · 55 km away
6. 1.8135 km WSW of Adak, AlaskaTue, Oct 17, 9:11 PM HADT · 1080 days ago · 26 km deep · 60 km away
7. 2.1131 km WSW of Adak, AlaskaTue, Oct 17, 10:41 PM HADT · 1080 days ago · 17 km deep · 68 km away
8. 2.0132 km WSW of Adak, AlaskaWed, Oct 18, 12:38 AM HADT · 1080 days ago · 24 km deep · 67 km away
9. 1.889 km WSW of Adak, AlaskaThu, Oct 19, 2:39 PM HADT · 1078 days ago · 13 km deep · 97 km away
10. 1.8111 km WSW of Adak, AlaskaThu, Oct 19, 5:29 PM HADT · 1078 days ago · 13 km deep · 69 km away
11. 1.9192 km WSW of Adak, AlaskaSat, Oct 21, 5:48 PM HADT · 1076 days ago · 18 km deep · 37 km away
12. 2.7115 km WSW of Adak, AlaskaSat, Oct 21, 8:24 PM HADT · 1076 days ago · 12 km deep · 77 km away
13. 2.1183 km W of Adak, AlaskaSun, Oct 22, 1:15 AM HADT · 1076 days ago · 90 km deep · 17 km away
14. 1.9110 km WSW of Adak, AlaskaSun, Oct 22, 5:32 AM HADT · 1075 days ago · 68 km deep · 65 km away
15. 1.788 km WSW of Adak, AlaskaSun, Oct 22, 5:37 AM HADT · 1075 days ago · 30 km deep · 98 km away
16. 2.9234 km W of Adak, AlaskaSun, Oct 22, 11:50 PM HADT · 1075 days ago · 173 km deep · 79 km away
17. 2.1157 km WSW of Adak, AlaskaMon, Oct 23, 10:45 AM HADT · 1074 days ago · 26 km deep · 66 km away
18. 2.8193 km WSW of Adak, AlaskaMon, Oct 23, 4:26 PM HADT · 1074 days ago · 33 km deep · 46 km away
19. 3.6184 km WSW of Adak, AlaskaMon, Oct 23, 9:17 PM HADT · 1074 days ago · 95 km deep · 11 km away
20. 2.8204 km W of Adak, AlaskaTue, Oct 24, 6:18 AM HADT · 1073 days ago · 92 km deep · 33 km away
21. 2.6208 km WSW of Adak, AlaskaTue, Oct 24, 8:04 AM HADT · 1073 days ago · 35 km deep · 63 km away
22. 2.8263 km WSW of Adak, AlaskaWed, Oct 25, 7:14 AM GMT+12 · 1073 days ago · 25 km deep · 91 km away
23. 1.695 km WSW of Adak, AlaskaTue, Oct 24, 2:32 PM HADT · 1073 days ago · 37 km deep · 94 km away
24. 2.2184 km WSW of Adak, AlaskaTue, Oct 24, 9:08 PM HADT · 1073 days ago · 26 km deep · 42 km away
25. 3.3206 km W of Adak, AlaskaWed, Oct 25, 8:42 AM HADT · 1072 days ago · 106 km deep · 42 km away
26. 3.0124 km WSW of Adak, AlaskaWed, Oct 25, 4:41 PM HADT · 1072 days ago · 33 km deep · 67 km away
27. 1.8212 km W of Adak, AlaskaThu, Oct 26, 6:17 AM HADT · 1071 days ago · 65 km deep · 38 km away
28. 2.0202 km WSW of Adak, AlaskaThu, Oct 26, 9:19 AM HADT · 1071 days ago · 60 km deep · 29 km away
29. 1.687 km W of Adak, AlaskaThu, Oct 26, 10:56 AM HADT · 1071 days ago · 5 km deep · 90 km away
30. 1.9237 km WSW of Adak, AlaskaThu, Oct 26, 9:23 AM GMT-12 · 1071 days ago · 22 km deep · 66 km away
31. 2.695 km WSW of Adak, AlaskaThu, Oct 26, 5:18 PM HADT · 1071 days ago · 61 km deep · 87 km away
32. 2.0175 km WSW of Adak, AlaskaThu, Oct 26, 8:42 PM HADT · 1071 days ago · 22 km deep · 45 km away
33. 2.2182 km WSW of Adak, AlaskaThu, Oct 26, 8:44 PM HADT · 1071 days ago · 16 km deep · 60 km away
34. 2.7181 km WSW of Adak, AlaskaThu, Oct 26, 8:45 PM HADT · 1071 days ago · 32 km deep · 45 km away
35. 1.9274 km W of Adak, AlaskaSat, Oct 28, 3:47 AM GMT+12 · 1070 days ago · 54 km deep · 99 km away
36. 1.693 km SW of Adak, AlaskaFri, Oct 27, 8:41 AM HADT · 1070 days ago · 40 km deep · 100 km away
37. 2.1Andreanof Islands, Aleutian Islands, AlaskaFri, Oct 27, 11:40 AM HADT · 1070 days ago · 19 km deep · 52 km away
38. 1.8194 km WSW of Adak, AlaskaSat, Oct 28, 4:32 AM HADT · 1069 days ago · 23 km deep · 31 km away
39. 1.9186 km W of Adak, AlaskaSat, Oct 28, 7:22 AM HADT · 1069 days ago · 74 km deep · 12 km away
40. 2.8170 km WSW of Adak, AlaskaSat, Oct 28, 9:32 AM HADT · 1069 days ago · 32 km deep · 23 km away
41. 2.0124 km WSW of Adak, AlaskaSat, Oct 28, 3:21 PM HADT · 1069 days ago · 5 km deep · 57 km away
42. 2.7224 km WSW of Adak, AlaskaSat, Oct 28, 7:51 PM HADT · 1069 days ago · 25 km deep · 58 km away
43. 2.194 km WSW of Adak, AlaskaSun, Oct 29, 11:20 AM HADT · 1068 days ago · 59 km deep · 94 km away
44. 2.0118 km SW of Adak, AlaskaSun, Oct 29, 11:44 AM HADT · 1068 days ago · 21 km deep · 93 km away
45. 1.8154 km WSW of Adak, AlaskaMon, Oct 30, 3:05 PM HADT · 1067 days ago · 19 km deep · 44 km away
46. 1.7133 km WSW of Adak, AlaskaMon, Oct 30, 3:26 PM HADT · 1067 days ago · 8 km deep · 42 km away
47. 1.7117 km WSW of Adak, AlaskaMon, Oct 30, 4:05 PM HADT · 1067 days ago · 25 km deep · 70 km away
48. 2.698 km WSW of Adak, AlaskaMon, Oct 30, 8:31 PM HADT · 1067 days ago · 68 km deep · 82 km away
49. 2.7250 km W of Adak, AlaskaWed, Nov 1, 10:38 AM GMT+12 · 1066 days ago · 166 km deep · 86 km away
50. 2.1107 km W of Adak, AlaskaTue, Oct 31, 8:24 PM HADT · 1066 days ago · 133 km deep · 77 km away
51. 3.1246 km W of Adak, AlaskaWed, Nov 1, 6:56 PM GMT+12 · 1066 days ago · 184 km deep · 85 km away
52. 3.1152 km WSW of Adak, AlaskaWed, Nov 1, 4:44 AM HADT · 1065 days ago · 35 km deep · 42 km away
53. 1.9154 km WSW of Adak, AlaskaWed, Nov 1, 6:28 AM HADT · 1065 days ago · 75 km deep · 21 km away
54. 1.8235 km WSW of Adak, AlaskaWed, Nov 1, 7:49 AM HADT · 1065 days ago · 18 km deep · 62 km away
55. 2.9197 km W of Adak, AlaskaThu, Nov 2, 4:46 AM HADT · 1064 days ago · 104 km deep · 25 km away
56. 3.5233 km WSW of Adak, AlaskaThu, Nov 2, 3:45 PM HADT · 1064 days ago · 60 km deep · 60 km away
57. 2.6101 km WSW of Adak, AlaskaThu, Nov 2, 10:35 PM HADT · 1064 days ago · 60 km deep · 88 km away
58. 3.1140 km W of Adak, AlaskaThu, Nov 2, 10:50 PM HADT · 1064 days ago · 100 km deep · 38 km away
59. 3.4241 km WSW of Adak, AlaskaFri, Nov 3, 2:15 AM GMT-12 · 1063 days ago · 24 km deep · 75 km away
60. 2.6222 km WSW of Adak, AlaskaFri, Nov 3, 3:42 PM HADT · 1063 days ago · 74 km deep · 47 km away

The first 60 of 153.

Before

1. 3.9204 km WSW of Adak, AlaskaMon, Oct 16, 5:05 AM HADT · 1081 days ago · 10 km deep · 80 km away
2. 2.6186 km WSW of Adak, AlaskaSat, Oct 14, 8:34 AM HADT · 1083 days ago · 33 km deep · 20 km away
3. 2.7130 km SW of Adak, AlaskaSat, Oct 14, 8:00 AM HADT · 1083 days ago · 35 km deep · 80 km away
4. 3.1146 km WSW of Adak, AlaskaFri, Oct 13, 10:50 PM HADT · 1084 days ago · 35 km deep · 61 km away
5. 3.4150 km WSW of Adak, AlaskaFri, Oct 13, 8:23 AM HADT · 1084 days ago · 28 km deep · 64 km away
6. 3.5156 km WSW of Adak, AlaskaThu, Oct 12, 8:22 PM HADT · 1085 days ago · 24 km deep · 67 km away
7. 1.9180 km WSW of Adak, AlaskaWed, Oct 11, 2:18 AM HADT · 1087 days ago · 24 km deep · 21 km away
8. 3.4123 km WSW of Adak, AlaskaWed, Oct 11, 1:09 AM HADT · 1087 days ago · 32 km deep · 59 km away
9. 1.8125 km WSW of Adak, AlaskaTue, Oct 10, 6:17 AM HADT · 1087 days ago · 6 km deep · 56 km away
10. 1.8119 km SW of Adak, AlaskaTue, Oct 10, 12:30 AM HADT · 1088 days ago · 26 km deep · 84 km away
11. 2.7175 km WSW of Adak, AlaskaMon, Oct 9, 5:52 PM HADT · 1088 days ago · 30 km deep · 20 km away
12. 2.0138 km SW of Adak, AlaskaMon, Oct 9, 8:42 AM HADT · 1088 days ago · 21 km deep · 85 km away
13. 1.594 km WSW of Adak, AlaskaMon, Oct 9, 7:37 AM HADT · 1088 days ago · 13 km deep · 89 km away
14. 1.6Andreanof Islands, Aleutian Islands, AlaskaMon, Oct 9, 5:42 AM HADT · 1088 days ago · 26 km deep · 96 km away
15. 2.893 km W of Adak, AlaskaSun, Oct 8, 12:12 PM HADT · 1089 days ago · 202 km deep · 89 km away
16. 1.888 km WSW of Adak, AlaskaSat, Oct 7, 11:25 PM HADT · 1090 days ago · 13 km deep · 94 km away
17. 2.0238 km WSW of Adak, AlaskaSat, Oct 7, 5:19 PM HADT · 1090 days ago · 15 km deep · 79 km away
18. 1.7114 km WSW of Adak, AlaskaSat, Oct 7, 11:12 AM HADT · 1090 days ago · 26 km deep · 73 km away
19. 2.1187 km W of Adak, AlaskaSat, Oct 7, 3:26 AM HADT · 1091 days ago · 74 km deep · 17 km away
20. 1.9271 km W of Adak, AlaskaFri, Oct 6, 10:34 PM GMT+12 · 1092 days ago · 56 km deep · 96 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak023dbm1rda. Read Thu, Oct 1, 2026, 11:58 PM UTC.