M1.6 earthquake 189 km WSW of Adak, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Tue, Aug 15, 2023, 10:50 PM HADT

UTC

2023-08-16 07:50:32 UTC

Depth

63.9 km (39.7 mi), shallow

Epicenter

51.486° N, 179.297° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

20

After

1. 1.9141 km SW of Adak, AlaskaWed, Aug 16, 12:22 AM HADT · 1144 days ago · 11 km deep · 96 km away
2. 1.5118 km WSW of Adak, AlaskaWed, Aug 16, 7:06 AM HADT · 1144 days ago · 14 km deep · 79 km away
3. 1.5119 km SW of Adak, AlaskaWed, Aug 16, 8:01 AM HADT · 1144 days ago · 25 km deep · 97 km away
4. 1.7186 km WSW of Adak, AlaskaWed, Aug 16, 11:30 AM HADT · 1144 days ago · 25 km deep · 41 km away
5. 4.0229 km W of Adak, AlaskaWed, Aug 16, 1:19 PM HADT · 1143 days ago · 223 km deep · 82 km away
6. 1.9275 km WSW of Adak, AlaskaFri, Aug 18, 1:23 AM GMT+12 · 1143 days ago · 20 km deep · 90 km away
7. 2.8264 km W of Adak, AlaskaFri, Aug 18, 2:00 AM GMT+12 · 1143 days ago · 154 km deep · 94 km away
8. 1.7132 km WSW of Adak, AlaskaThu, Aug 17, 10:25 AM HADT · 1143 days ago · 71 km deep · 57 km away
9. 2.1208 km WSW of Adak, AlaskaThu, Aug 17, 2:59 PM HADT · 1142 days ago · 26 km deep · 23 km away
10. 2.1206 km WSW of Adak, AlaskaThu, Aug 17, 2:59 PM HADT · 1142 days ago · 26 km deep · 21 km away
11. 1.6Andreanof Islands, Aleutian Islands, AlaskaThu, Aug 17, 6:44 PM HADT · 1142 days ago · 8 km deep · 60 km away
12. 1.7232 km W of Adak, AlaskaFri, Aug 18, 2:52 AM HADT · 1142 days ago · 13 km deep · 54 km away
13. 3.2236 km W of Adak, AlaskaFri, Aug 18, 4:57 AM HADT · 1142 days ago · 68 km deep · 49 km away
14. 1.7118 km WSW of Adak, AlaskaFri, Aug 18, 6:24 AM HADT · 1142 days ago · 31 km deep · 81 km away
15. 1.9264 km WSW of Adak, AlaskaSat, Aug 19, 5:34 AM GMT+12 · 1142 days ago · 12 km deep · 78 km away
16. 3.1110 km WSW of Adak, AlaskaFri, Aug 18, 11:03 AM HADT · 1142 days ago · 63 km deep · 87 km away
17. 1.8168 km W of Adak, AlaskaFri, Aug 18, 3:05 PM HADT · 1141 days ago · 8 km deep · 33 km away
18. 2.1138 km WSW of Adak, AlaskaSun, Aug 20, 7:17 AM HADT · 1140 days ago · 23 km deep · 76 km away
19. 2.0144 km WSW of Adak, AlaskaSun, Aug 20, 6:15 PM HADT · 1139 days ago · 7 km deep · 45 km away
20. 2.0Andreanof Islands, Aleutian Islands, AlaskaSun, Aug 20, 6:24 PM HADT · 1139 days ago · 23 km deep · 45 km away
21. 2.1101 km W of Adak, AlaskaSun, Aug 20, 7:42 PM HADT · 1139 days ago · 6 km deep · 91 km away
22. 3.9233 km W of Adak, AlaskaMon, Aug 21, 5:45 AM HADT · 1139 days ago · 19 km deep · 56 km away
23. 2.0235 km W of Adak, AlaskaMon, Aug 21, 6:32 AM HADT · 1139 days ago · 13 km deep · 59 km away
24. 1.9235 km W of Adak, AlaskaMon, Aug 21, 6:56 AM HADT · 1139 days ago · 13 km deep · 59 km away
25. 2.1Andreanof Islands, Aleutian Islands, AlaskaMon, Aug 21, 7:18 AM HADT · 1139 days ago · 37 km deep · 27 km away
26. 1.9Rat Islands, Aleutian Islands, AlaskaMon, Aug 21, 8:35 AM HADT · 1139 days ago · 13 km deep · 59 km away
27. 2.0110 km WSW of Adak, AlaskaMon, Aug 21, 10:01 AM HADT · 1139 days ago · 7 km deep · 81 km away
28. 2.1284 km WSW of Adak, AlaskaTue, Aug 22, 8:01 AM GMT+12 · 1139 days ago · 56 km deep · 96 km away
29. 1.8171 km WSW of Adak, AlaskaMon, Aug 21, 6:22 PM HADT · 1138 days ago · 32 km deep · 26 km away
30. 2.8Rat Islands, Aleutian Islands, AlaskaTue, Aug 22, 1:37 AM HADT · 1138 days ago · 98 km deep · 58 km away
31. 3.8245 km WSW of Adak, AlaskaWed, Aug 23, 2:31 AM GMT+12 · 1138 days ago · 68 km deep · 56 km away
32. 1.7242 km WSW of Adak, AlaskaWed, Aug 23, 3:44 AM GMT+12 · 1138 days ago · 52 km deep · 53 km away
33. 3.8244 km WSW of Adak, AlaskaWed, Aug 23, 10:49 AM GMT+12 · 1137 days ago · 52 km deep · 55 km away
34. 2.2243 km WSW of Adak, AlaskaWed, Aug 23, 10:54 AM GMT+12 · 1137 days ago · 57 km deep · 54 km away
35. 1.6156 km WSW of Adak, AlaskaTue, Aug 22, 7:15 PM HADT · 1137 days ago · 25 km deep · 59 km away
36. 1.7156 km W of Adak, AlaskaWed, Aug 23, 12:19 AM HADT · 1137 days ago · 91 km deep · 44 km away
37. 2.1242 km WSW of Adak, AlaskaWed, Aug 23, 11:11 PM GMT+12 · 1137 days ago · 60 km deep · 53 km away
38. 1.6106 km WSW of Adak, AlaskaWed, Aug 23, 4:33 AM HADT · 1137 days ago · 68 km deep · 82 km away
39. 2.0128 km WSW of Adak, AlaskaWed, Aug 23, 9:11 AM HADT · 1137 days ago · 24 km deep · 66 km away
40. 1.6234 km WSW of Adak, AlaskaWed, Aug 23, 2:13 PM HADT · 1136 days ago · 16 km deep · 55 km away
41. 1.5257 km W of Adak, AlaskaThu, Aug 24, 1:36 PM GMT+12 · 1136 days ago · 4 km deep · 89 km away
42. 1.6152 km WSW of Adak, AlaskaWed, Aug 23, 6:56 PM HADT · 1136 days ago · 11 km deep · 45 km away
43. 3.0Andreanof Islands, Aleutian Islands, AlaskaThu, Aug 24, 12:10 AM HADT · 1136 days ago · 35 km deep · 17 km away
44. 1.5170 km WSW of Adak, AlaskaThu, Aug 24, 2:15 AM HADT · 1136 days ago · 29 km deep · 28 km away
45. 1.7194 km WSW of Adak, AlaskaThu, Aug 24, 7:24 AM HADT · 1136 days ago · 17 km deep · 40 km away
46. 1.5109 km WSW of Adak, AlaskaThu, Aug 24, 7:28 AM HADT · 1136 days ago · 13 km deep · 80 km away
47. 1.6176 km WSW of Adak, AlaskaThu, Aug 24, 8:35 AM HADT · 1136 days ago · 24 km deep · 16 km away
48. 1.6127 km WSW of Adak, AlaskaThu, Aug 24, 12:24 PM HADT · 1135 days ago · 17 km deep · 68 km away
49. 1.9127 km WSW of Adak, AlaskaThu, Aug 24, 11:39 PM HADT · 1135 days ago · 8 km deep · 61 km away
50. 1.9235 km W of Adak, AlaskaFri, Aug 25, 12:03 PM HADT · 1135 days ago · 22 km deep · 53 km away
51. 2.1Andreanof Islands, Aleutian Islands, AlaskaSat, Aug 26, 12:45 AM HADT · 1134 days ago · 13 km deep · 94 km away
52. 1.6275 km W of Adak, AlaskaSun, Aug 27, 3:01 AM GMT+12 · 1134 days ago · 51 km deep · 88 km away
53. 1.9268 km W of Adak, AlaskaSun, Aug 27, 4:16 PM GMT+12 · 1133 days ago · 72 km deep · 86 km away
54. 2.1227 km WSW of Adak, AlaskaSat, Aug 26, 10:45 PM HADT · 1133 days ago · 13 km deep · 47 km away
55. 2.0235 km WSW of Adak, AlaskaSat, Aug 26, 10:52 PM HADT · 1133 days ago · 16 km deep · 57 km away
56. 1.6232 km WSW of Adak, AlaskaSun, Aug 27, 2:54 AM HADT · 1133 days ago · 26 km deep · 55 km away
57. 2.1234 km WSW of Adak, AlaskaSun, Aug 27, 3:09 AM HADT · 1133 days ago · 7 km deep · 46 km away
58. 1.6128 km WSW of Adak, AlaskaSun, Aug 27, 8:21 AM HADT · 1133 days ago · 25 km deep · 69 km away
59. 1.8209 km W of Adak, AlaskaSun, Aug 27, 8:33 AM HADT · 1133 days ago · 67 km deep · 29 km away
60. 2.0222 km W of Adak, AlaskaSun, Aug 27, 9:26 AM HADT · 1133 days ago · 97 km deep · 53 km away

The first 60 of at least 199.

Before

1. 1.8287 km WSW of Adak, AlaskaWed, Aug 16, 4:38 PM GMT+12 · 1144 days ago · 6 km deep · 100 km away
2. 2.9142 km SW of Adak, AlaskaTue, Aug 15, 12:36 PM HADT · 1144 days ago · 17 km deep · 99 km away
3. 1.9230 km WSW of Adak, AlaskaTue, Aug 15, 10:07 AM HADT · 1145 days ago · 13 km deep · 41 km away
4. 2.0143 km SW of Adak, AlaskaTue, Aug 15, 8:23 AM HADT · 1145 days ago · 17 km deep · 98 km away
5. 1.7144 km SW of Adak, AlaskaTue, Aug 15, 8:11 AM HADT · 1145 days ago · 18 km deep · 98 km away
6. 2.9141 km SW of Adak, AlaskaTue, Aug 15, 8:01 AM HADT · 1145 days ago · 26 km deep · 89 km away
7. 1.9133 km SW of Adak, AlaskaTue, Aug 15, 7:32 AM HADT · 1145 days ago · 26 km deep · 97 km away
8. 2.0230 km W of Adak, AlaskaTue, Aug 15, 2:26 AM HADT · 1145 days ago · 102 km deep · 60 km away
9. 3.0261 km WSW of Adak, AlaskaTue, Aug 15, 3:09 PM GMT+12 · 1145 days ago · 28 km deep · 73 km away
10. 1.9Andreanof Islands, Aleutian Islands, AlaskaMon, Aug 14, 2:30 PM HADT · 1145 days ago · 14 km deep · 40 km away
11. 2.1242 km W of Adak, AlaskaTue, Aug 15, 3:11 AM GMT+12 · 1146 days ago · 156 km deep · 73 km away
12. 1.9159 km SW of Adak, AlaskaMon, Aug 14, 5:39 AM HADT · 1146 days ago · 18 km deep · 68 km away
13. 1.8119 km W of Adak, AlaskaSun, Aug 13, 8:50 PM HADT · 1146 days ago · 87 km deep · 86 km away
14. 2.3190 km W of Adak, AlaskaSun, Aug 13, 5:22 PM HADT · 1146 days ago · 152 km deep · 63 km away
15. 1.5123 km WSW of Adak, AlaskaSun, Aug 13, 2:15 PM HADT · 1146 days ago · 17 km deep · 76 km away
16. 1.6150 km WSW of Adak, AlaskaSun, Aug 13, 6:39 AM HADT · 1147 days ago · 25 km deep · 48 km away
17. 2.2212 km WSW of Adak, AlaskaSun, Aug 13, 5:31 AM HADT · 1147 days ago · 55 km deep · 23 km away
18. 1.9202 km W of Adak, AlaskaSun, Aug 13, 2:48 AM HADT · 1147 days ago · 78 km deep · 24 km away
19. 1.5197 km W of Adak, AlaskaSun, Aug 13, 2:07 AM HADT · 1147 days ago · 13 km deep · 33 km away
20. 1.8196 km WSW of Adak, AlaskaSun, Aug 13, 12:34 AM HADT · 1147 days ago · 39 km deep · 18 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak023ah6zy4e. Read Sat, Oct 3, 2026, 8:49 AM UTC.