M1.9 earthquake 186 km W of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, Oct 28, 2023, 7:22 AM HADT

UTC

2023-10-28 16:22:45 UTC

Depth

74.2 km (46.1 mi), intermediate-depth

Epicenter

51.615° N, 179.302° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

20

After

1. 2.8170 km WSW of Adak, AlaskaSat, Oct 28, 9:32 AM HADT · 1070 days ago · 32 km deep · 32 km away
2. 2.0124 km WSW of Adak, AlaskaSat, Oct 28, 3:21 PM HADT · 1070 days ago · 5 km deep · 69 km away
3. 2.7224 km WSW of Adak, AlaskaSat, Oct 28, 7:51 PM HADT · 1070 days ago · 25 km deep · 52 km away
4. 1.8154 km WSW of Adak, AlaskaMon, Oct 30, 3:05 PM HADT · 1068 days ago · 19 km deep · 54 km away
5. 1.7133 km WSW of Adak, AlaskaMon, Oct 30, 3:26 PM HADT · 1068 days ago · 8 km deep · 53 km away
6. 1.7117 km WSW of Adak, AlaskaMon, Oct 30, 4:05 PM HADT · 1068 days ago · 25 km deep · 81 km away
7. 2.698 km WSW of Adak, AlaskaMon, Oct 30, 8:31 PM HADT · 1068 days ago · 68 km deep · 94 km away
8. 2.7250 km W of Adak, AlaskaWed, Nov 1, 10:38 AM GMT+12 · 1067 days ago · 166 km deep · 74 km away
9. 1.6274 km W of Adak, AlaskaWed, Nov 1, 1:06 PM GMT+12 · 1067 days ago · 15 km deep · 93 km away
10. 2.1107 km W of Adak, AlaskaTue, Oct 31, 8:24 PM HADT · 1067 days ago · 133 km deep · 87 km away
11. 3.1246 km W of Adak, AlaskaWed, Nov 1, 6:56 PM GMT+12 · 1067 days ago · 184 km deep · 74 km away
12. 3.1152 km WSW of Adak, AlaskaWed, Nov 1, 4:44 AM HADT · 1066 days ago · 35 km deep · 53 km away
13. 1.9154 km WSW of Adak, AlaskaWed, Nov 1, 6:28 AM HADT · 1066 days ago · 75 km deep · 32 km away
14. 1.8235 km WSW of Adak, AlaskaWed, Nov 1, 7:49 AM HADT · 1066 days ago · 18 km deep · 54 km away
15. 2.9197 km W of Adak, AlaskaThu, Nov 2, 4:46 AM HADT · 1065 days ago · 104 km deep · 13 km away
16. 3.5233 km WSW of Adak, AlaskaThu, Nov 2, 3:45 PM HADT · 1065 days ago · 60 km deep · 51 km away
17. 3.1140 km W of Adak, AlaskaThu, Nov 2, 10:50 PM HADT · 1065 days ago · 100 km deep · 48 km away
18. 3.4241 km WSW of Adak, AlaskaFri, Nov 3, 2:15 AM GMT-12 · 1064 days ago · 24 km deep · 69 km away
19. 2.6222 km WSW of Adak, AlaskaFri, Nov 3, 3:42 PM HADT · 1064 days ago · 74 km deep · 37 km away
20. 2.7260 km WSW of Adak, AlaskaSat, Nov 4, 2:48 PM GMT+12 · 1064 days ago · 74 km deep · 74 km away
21. 2.1143 km W of Adak, AlaskaSat, Nov 4, 2:52 AM HADT · 1063 days ago · 94 km deep · 49 km away
22. 2.7232 km W of Adak, AlaskaSat, Nov 4, 7:53 PM HADT · 1063 days ago · 10 km deep · 48 km away
23. 3.6145 km WSW of Adak, AlaskaTue, Nov 7, 10:22 AM HAST · 1060 days ago · 35 km deep · 68 km away
24. 3.5136 km WSW of Adak, AlaskaWed, Nov 8, 2:03 AM HAST · 1059 days ago · 35 km deep · 77 km away
25. 3.6219 km WSW of Adak, AlaskaWed, Nov 8, 7:14 PM HAST · 1059 days ago · 35 km deep · 51 km away
26. 3.595 km WSW of Adak, AlaskaThu, Nov 9, 1:21 AM HAST · 1058 days ago · 66 km deep · 98 km away
27. 3.0149 km WSW of Adak, AlaskaThu, Nov 9, 9:43 PM HAST · 1058 days ago · 35 km deep · 75 km away
28. 2.9195 km WSW of Adak, AlaskaFri, Nov 10, 12:57 AM HAST · 1057 days ago · 35 km deep · 59 km away
29. 2.8220 km WSW of Adak, AlaskaFri, Nov 10, 12:18 PM HAST · 1057 days ago · 35 km deep · 68 km away
30. 2.8134 km WSW of Adak, AlaskaFri, Nov 10, 7:54 PM HAST · 1057 days ago · 35 km deep · 76 km away
31. 2.9212 km WSW of Adak, AlaskaFri, Nov 10, 9:17 PM HAST · 1057 days ago · 10 km deep · 60 km away
32. 2.7150 km WSW of Adak, AlaskaSat, Nov 11, 6:11 AM HAST · 1056 days ago · 35 km deep · 79 km away
33. 2.2258 km WSW of Adak, AlaskaSun, Nov 12, 8:26 AM GMT+12 · 1056 days ago · 26 km deep · 73 km away
34. 2.7165 km WSW of Adak, AlaskaSat, Nov 11, 12:07 PM HAST · 1056 days ago · 18 km deep · 37 km away
35. 3.589 km W of Adak, AlaskaSat, Nov 11, 4:58 PM HAST · 1056 days ago · 7 km deep · 99 km away
36. 1.689 km W of Adak, AlaskaSat, Nov 11, 5:02 PM HAST · 1056 days ago · 6 km deep · 98 km away
37. 1.889 km W of Adak, AlaskaSat, Nov 11, 5:19 PM HAST · 1056 days ago · 6 km deep · 99 km away
38. 2.8179 km WSW of Adak, AlaskaSat, Nov 11, 5:44 PM HAST · 1056 days ago · 18 km deep · 23 km away
39. 2.089 km W of Adak, AlaskaSat, Nov 11, 5:48 PM HAST · 1056 days ago · 5 km deep · 98 km away
40. 2.291 km WSW of Adak, AlaskaSun, Nov 12, 5:48 PM HAST · 1055 days ago · 75 km deep · 99 km away
41. 1.6139 km W of Adak, AlaskaMon, Nov 13, 12:02 AM HAST · 1054 days ago · 15 km deep · 50 km away
42. 3.2240 km W of Adak, AlaskaTue, Nov 14, 11:14 AM GMT+12 · 1054 days ago · 74 km deep · 54 km away
43. 2.9147 km WSW of Adak, AlaskaMon, Nov 13, 9:05 PM HAST · 1054 days ago · 34 km deep · 76 km away
44. 3.6133 km SW of Adak, AlaskaWed, Nov 15, 12:32 PM HAST · 1052 days ago · 21 km deep · 98 km away
45. 2.5132 km SW of Adak, AlaskaWed, Nov 15, 8:54 PM HAST · 1052 days ago · 35 km deep · 92 km away
46. 2.2130 km SW of Adak, AlaskaThu, Nov 16, 3:52 AM HAST · 1051 days ago · 27 km deep · 88 km away
47. 2.1130 km SW of Adak, AlaskaThu, Nov 16, 6:04 AM HAST · 1051 days ago · 22 km deep · 92 km away
48. 2.2145 km WSW of Adak, AlaskaThu, Nov 16, 6:34 AM HAST · 1051 days ago · 18 km deep · 73 km away
49. 2.1131 km SW of Adak, AlaskaThu, Nov 16, 8:05 AM HAST · 1051 days ago · 22 km deep · 94 km away
50. 2.5241 km WSW of Adak, AlaskaFri, Nov 17, 7:38 AM GMT+12 · 1051 days ago · 73 km deep · 55 km away
51. 2.6241 km WSW of Adak, AlaskaFri, Nov 17, 11:38 AM GMT+12 · 1051 days ago · 10 km deep · 55 km away
52. 1.9Rat Islands, Aleutian Islands, AlaskaFri, Nov 17, 12:10 PM GMT+12 · 1051 days ago · 24 km deep · 60 km away
53. 2.1243 km W of Adak, AlaskaFri, Nov 17, 7:53 PM GMT+12 · 1051 days ago · 7 km deep · 57 km away
54. 2.1160 km WSW of Adak, AlaskaThu, Nov 16, 10:18 PM HAST · 1051 days ago · 15 km deep · 27 km away
55. 1.9247 km W of Adak, AlaskaFri, Nov 17, 10:56 PM GMT+12 · 1050 days ago · 23 km deep · 61 km away
56. 2.9156 km WSW of Adak, AlaskaFri, Nov 17, 2:40 AM HAST · 1050 days ago · 15 km deep · 50 km away
57. 2.8243 km WSW of Adak, AlaskaSat, Nov 18, 6:33 AM GMT+12 · 1050 days ago · 10 km deep · 57 km away
58. 2.1Andreanof Islands, Aleutian Islands, AlaskaFri, Nov 17, 8:51 AM HAST · 1050 days ago · 12 km deep · 40 km away
59. 2.7243 km WSW of Adak, AlaskaSat, Nov 18, 7:09 AM GMT+12 · 1050 days ago · 9 km deep · 56 km away
60. 3.1254 km WSW of Adak, AlaskaSat, Nov 18, 11:01 AM GMT+12 · 1050 days ago · 26 km deep · 73 km away

The first 60 of 144.

Before

1. 1.8194 km WSW of Adak, AlaskaSat, Oct 28, 4:32 AM HADT · 1070 days ago · 23 km deep · 30 km away
2. 2.1Andreanof Islands, Aleutian Islands, AlaskaFri, Oct 27, 11:40 AM HADT · 1071 days ago · 19 km deep · 55 km away
3. 1.9274 km W of Adak, AlaskaSat, Oct 28, 3:47 AM GMT+12 · 1071 days ago · 54 km deep · 88 km away
4. 2.7181 km WSW of Adak, AlaskaThu, Oct 26, 8:45 PM HADT · 1072 days ago · 32 km deep · 50 km away
5. 2.2182 km WSW of Adak, AlaskaThu, Oct 26, 8:44 PM HADT · 1072 days ago · 16 km deep · 66 km away
6. 2.0175 km WSW of Adak, AlaskaThu, Oct 26, 8:42 PM HADT · 1072 days ago · 22 km deep · 52 km away
7. 2.695 km WSW of Adak, AlaskaThu, Oct 26, 5:18 PM HADT · 1072 days ago · 61 km deep · 99 km away
8. 1.9237 km WSW of Adak, AlaskaThu, Oct 26, 9:23 AM GMT-12 · 1072 days ago · 22 km deep · 58 km away
9. 2.0202 km WSW of Adak, AlaskaThu, Oct 26, 9:19 AM HADT · 1072 days ago · 60 km deep · 21 km away
10. 1.8212 km W of Adak, AlaskaThu, Oct 26, 6:17 AM HADT · 1072 days ago · 65 km deep · 26 km away
11. 3.0124 km WSW of Adak, AlaskaWed, Oct 25, 4:41 PM HADT · 1073 days ago · 33 km deep · 78 km away
12. 3.3206 km W of Adak, AlaskaWed, Oct 25, 8:42 AM HADT · 1073 days ago · 106 km deep · 31 km away
13. 2.2184 km WSW of Adak, AlaskaTue, Oct 24, 9:08 PM HADT · 1074 days ago · 26 km deep · 46 km away
14. 2.8263 km WSW of Adak, AlaskaWed, Oct 25, 7:14 AM GMT+12 · 1074 days ago · 25 km deep · 82 km away
15. 2.6208 km WSW of Adak, AlaskaTue, Oct 24, 8:04 AM HADT · 1074 days ago · 35 km deep · 63 km away
16. 2.8204 km W of Adak, AlaskaTue, Oct 24, 6:18 AM HADT · 1074 days ago · 92 km deep · 22 km away
17. 3.6184 km WSW of Adak, AlaskaMon, Oct 23, 9:17 PM HADT · 1075 days ago · 95 km deep · 11 km away
18. 2.8193 km WSW of Adak, AlaskaMon, Oct 23, 4:26 PM HADT · 1075 days ago · 33 km deep · 48 km away
19. 2.1157 km WSW of Adak, AlaskaMon, Oct 23, 10:45 AM HADT · 1075 days ago · 26 km deep · 75 km away
20. 2.9234 km W of Adak, AlaskaSun, Oct 22, 11:50 PM HADT · 1076 days ago · 173 km deep · 69 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak023du2f7le. Read Fri, Oct 2, 2026, 9:12 PM UTC.