M1.8 earthquake 77 km W of Atka, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Mon, Aug 7, 2023, 7:24 AM HADT

UTC

2023-08-07 16:24:56 UTC

Depth

81.8 km (50.8 mi), intermediate-depth

Epicenter

52.142° N, 175.336° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

16

After

1. 2.454 km E of Adak, AlaskaMon, Aug 7, 12:28 PM HADT · 1153 days ago · 75 km deep · 50 km away
2. 3.229 km NNW of Atka, AlaskaTue, Aug 8, 1:42 AM HADT · 1153 days ago · 184 km deep · 76 km away
3. 1.5Andreanof Islands, Aleutian Islands, AlaskaTue, Aug 8, 11:16 PM HADT · 1152 days ago · 33 km deep · 96 km away
4. 3.3Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 9, 6:40 PM HADT · 1151 days ago · 39 km deep · 68 km away
5. 1.738 km E of Adak, AlaskaThu, Aug 10, 3:57 AM HADT · 1151 days ago · 82 km deep · 60 km away
6. 2.812 km S of Adak, AlaskaThu, Aug 10, 3:16 PM HADT · 1150 days ago · 13 km deep · 96 km away
7. 3.156 km SW of Atka, AlaskaThu, Aug 10, 11:40 PM HADT · 1150 days ago · 19 km deep · 51 km away
8. 1.7Andreanof Islands, Aleutian Islands, AlaskaFri, Aug 11, 12:07 AM HADT · 1150 days ago · 23 km deep · 85 km away
9. 1.7Andreanof Islands, Aleutian Islands, AlaskaFri, Aug 11, 5:05 AM HADT · 1150 days ago · 72 km deep · 62 km away
10. 2.822 km WNW of Atka, AlaskaFri, Aug 11, 7:11 AM HADT · 1150 days ago · 174 km deep · 59 km away
11. 1.844 km S of Atka, AlaskaFri, Aug 11, 7:51 AM HADT · 1150 days ago · 11 km deep · 79 km away
12. 1.761 km SE of Adak, AlaskaFri, Aug 11, 11:53 AM HADT · 1149 days ago · 26 km deep · 98 km away
13. 1.5110 km SW of Atka, AlaskaFri, Aug 11, 12:19 PM HADT · 1149 days ago · 13 km deep · 85 km away
14. 1.779 km WSW of Atka, AlaskaFri, Aug 11, 4:21 PM HADT · 1149 days ago · 35 km deep · 32 km away
15. 2.841 km S of Atka, AlaskaFri, Aug 11, 8:46 PM HADT · 1149 days ago · 52 km deep · 86 km away
16. 1.659 km SE of Adak, AlaskaFri, Aug 11, 10:11 PM HADT · 1149 days ago · 26 km deep · 83 km away
17. 2.768 km ENE of Adak, AlaskaSat, Aug 12, 5:39 AM HADT · 1149 days ago · 216 km deep · 26 km away
18. 1.981 km WSW of Atka, AlaskaSat, Aug 12, 10:13 AM HADT · 1149 days ago · 70 km deep · 20 km away
19. 2.842 km WSW of Atka, AlaskaSat, Aug 12, 6:01 PM HADT · 1148 days ago · 90 km deep · 37 km away
20. 2.019 km WNW of Atka, AlaskaSun, Aug 13, 1:40 AM HADT · 1148 days ago · 137 km deep · 60 km away
21. 2.137 km S of Atka, AlaskaSun, Aug 13, 7:03 AM HADT · 1148 days ago · 57 km deep · 83 km away
22. 1.614 km E of Adak, AlaskaSun, Aug 13, 7:45 AM HADT · 1148 days ago · 113 km deep · 80 km away
23. 3.488 km ESE of Adak, AlaskaSun, Aug 13, 7:42 PM HADT · 1147 days ago · 35 km deep · 63 km away
24. 1.591 km SW of Atka, AlaskaSun, Aug 13, 10:53 PM HADT · 1147 days ago · 32 km deep · 64 km away
25. 1.559 km SE of Adak, AlaskaSun, Aug 13, 11:04 PM HADT · 1147 days ago · 25 km deep · 84 km away
26. 2.815 km ENE of Atka, AlaskaMon, Aug 14, 2:21 AM HADT · 1147 days ago · 157 km deep · 93 km away
27. 2.867 km NE of Adak, AlaskaMon, Aug 14, 4:51 AM HADT · 1147 days ago · 199 km deep · 48 km away
28. 1.552 km WSW of Atka, AlaskaMon, Aug 14, 10:51 AM HADT · 1147 days ago · 13 km deep · 28 km away
29. 2.175 km ESE of Adak, AlaskaTue, Aug 15, 11:54 PM HADT · 1145 days ago · 25 km deep · 68 km away
30. 2.545 km NW of Atka, AlaskaWed, Aug 16, 12:14 PM HADT · 1144 days ago · 178 km deep · 60 km away
31. 1.771 km SW of Atka, AlaskaWed, Aug 16, 8:06 PM HADT · 1144 days ago · 26 km deep · 54 km away
32. 1.946 km SSE of Atka, AlaskaThu, Aug 17, 12:15 AM HADT · 1144 days ago · 25 km deep · 98 km away
33. 2.968 km SE of Adak, AlaskaThu, Aug 17, 2:48 AM HADT · 1144 days ago · 35 km deep · 97 km away
34. 1.8Andreanof Islands, Aleutian Islands, AlaskaThu, Aug 17, 5:00 PM HADT · 1143 days ago · 19 km deep · 96 km away
35. 1.655 km SW of Atka, AlaskaFri, Aug 18, 5:44 AM HADT · 1143 days ago · 41 km deep · 59 km away
36. 1.562 km ESE of Adak, AlaskaFri, Aug 18, 8:02 AM HADT · 1143 days ago · 59 km deep · 57 km away
37. 1.8Andreanof Islands, Aleutian Islands, AlaskaFri, Aug 18, 6:08 PM HADT · 1142 days ago · 25 km deep · 51 km away
38. 3.669 km SE of Adak, AlaskaFri, Aug 18, 6:41 PM HADT · 1142 days ago · 35 km deep · 82 km away
39. 1.6Andreanof Islands, Aleutian Islands, AlaskaFri, Aug 18, 6:44 PM HADT · 1142 days ago · 14 km deep · 87 km away
40. 2.458 km E of Adak, AlaskaSat, Aug 19, 3:38 AM HADT · 1142 days ago · 196 km deep · 46 km away
41. 1.978 km ESE of Adak, AlaskaSat, Aug 19, 6:40 AM HADT · 1142 days ago · 26 km deep · 76 km away
42. 4.186 km NE of Adak, AlaskaSat, Aug 19, 8:45 AM HADT · 1142 days ago · 172 km deep · 50 km away
43. 3.7Andreanof Islands, Aleutian Islands, AlaskaSat, Aug 19, 8:15 PM HADT · 1141 days ago · 35 km deep · 65 km away
44. 2.899 km ESE of Adak, AlaskaSat, Aug 19, 8:19 PM HADT · 1141 days ago · 35 km deep · 70 km away
45. 2.860 km SE of Adak, AlaskaSun, Aug 20, 3:07 AM HADT · 1141 days ago · 35 km deep · 85 km away
46. 1.652 km SE of Adak, AlaskaSun, Aug 20, 12:58 PM HADT · 1140 days ago · 24 km deep · 92 km away
47. 1.654 km SSE of Adak, AlaskaSun, Aug 20, 9:50 PM HADT · 1140 days ago · 29 km deep · 98 km away
48. 2.063 km SW of Atka, AlaskaMon, Aug 21, 12:25 AM HADT · 1140 days ago · 52 km deep · 46 km away
49. 1.946 km SSW of Atka, AlaskaMon, Aug 21, 3:18 AM HADT · 1140 days ago · 42 km deep · 64 km away
50. 2.979 km NNW of Atka, AlaskaMon, Aug 21, 5:03 AM HADT · 1140 days ago · 153 km deep · 81 km away
51. 2.076 km W of Atka, AlaskaMon, Aug 21, 9:43 PM HADT · 1139 days ago · 98 km deep · 2 km away
52. 1.862 km SE of Adak, AlaskaTue, Aug 22, 9:04 AM HADT · 1139 days ago · 26 km deep · 85 km away
53. 1.5Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 23, 9:03 AM HADT · 1138 days ago · 26 km deep · 85 km away
54. 2.963 km SE of Adak, AlaskaWed, Aug 23, 10:11 AM HADT · 1138 days ago · 35 km deep · 96 km away
55. 1.682 km WSW of Atka, AlaskaWed, Aug 23, 1:20 PM HADT · 1137 days ago · 67 km deep · 21 km away
56. 1.759 km SE of Adak, AlaskaWed, Aug 23, 3:31 PM HADT · 1137 days ago · 26 km deep · 85 km away
57. 1.626 km NNE of Adak, AlaskaWed, Aug 23, 6:38 PM HADT · 1137 days ago · 101 km deep · 79 km away
58. 1.820 km WSW of Atka, AlaskaWed, Aug 23, 7:39 PM HADT · 1137 days ago · 12 km deep · 58 km away
59. 1.889 km SW of Atka, AlaskaWed, Aug 23, 8:34 PM HADT · 1137 days ago · 26 km deep · 64 km away
60. 1.650 km SSW of Atka, AlaskaThu, Aug 24, 4:55 AM HADT · 1137 days ago · 53 km deep · 71 km away

The first 60 of 149.

Before

1. 2.057 km SE of Adak, AlaskaMon, Aug 7, 3:17 AM HADT · 1154 days ago · 23 km deep · 88 km away
2. 1.661 km ESE of Adak, AlaskaSun, Aug 6, 10:47 PM HADT · 1154 days ago · 35 km deep · 72 km away
3. 1.851 km SSE of Adak, AlaskaSun, Aug 6, 9:50 PM HADT · 1154 days ago · 26 km deep · 99 km away
4. 1.634 km SSE of Adak, AlaskaSun, Aug 6, 3:06 PM HADT · 1154 days ago · 41 km deep · 98 km away
5. 1.738 km SSE of Adak, AlaskaSat, Aug 5, 5:08 PM HADT · 1155 days ago · 34 km deep · 97 km away
6. 1.859 km SE of Adak, AlaskaSat, Aug 5, 5:47 AM HADT · 1156 days ago · 22 km deep · 85 km away
7. 3.527 km SSE of Atka, AlaskaFri, Aug 4, 4:23 PM HADT · 1156 days ago · 59 km deep · 92 km away
8. 2.566 km SE of Adak, AlaskaFri, Aug 4, 3:12 AM HADT · 1157 days ago · 35 km deep · 76 km away
9. 3.133 km NW of Atka, AlaskaThu, Aug 3, 1:03 PM HADT · 1157 days ago · 169 km deep · 60 km away
10. 3.050 km W of Atka, AlaskaThu, Aug 3, 10:21 AM HADT · 1158 days ago · 143 km deep · 32 km away
11. 3.275 km W of Atka, AlaskaThu, Aug 3, 8:57 AM HADT · 1158 days ago · 123 km deep · 3 km away
12. 2.187 km SW of Atka, AlaskaThu, Aug 3, 7:13 AM HADT · 1158 days ago · 26 km deep · 62 km away
13. 1.869 km SE of Adak, AlaskaThu, Aug 3, 5:21 AM HADT · 1158 days ago · 22 km deep · 99 km away
14. 2.760 km SSW of Atka, AlaskaWed, Aug 2, 10:21 PM HADT · 1158 days ago · 35 km deep · 76 km away
15. 2.236 km NE of Adak, AlaskaTue, Aug 1, 12:52 AM HADT · 1160 days ago · 119 km deep · 64 km away
16. 2.557 km N of Adak, AlaskaMon, Jul 31, 9:39 AM HADT · 1161 days ago · 195 km deep · 86 km away
17. 2.813 km SW of Atka, AlaskaSun, Jul 30, 10:53 PM HADT · 1161 days ago · 211 km deep · 67 km away
18. 2.374 km ENE of Adak, AlaskaSun, Jul 30, 8:54 PM HADT · 1161 days ago · 147 km deep · 26 km away
19. 1.660 km SE of Adak, AlaskaSun, Jul 30, 1:13 PM HADT · 1161 days ago · 26 km deep · 82 km away
20. 1.9Andreanof Islands, Aleutian Islands, AlaskaSun, Jul 30, 10:12 AM HADT · 1162 days ago · 116 km deep · 51 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak023a2gd7dn. Read Sun, Oct 4, 2026, 8:05 AM UTC.