M1.9 earthquake 148 km WSW of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Fri, Jul 28, 2023, 9:07 AM HADT

UTC

2023-07-28 18:07:29 UTC

Depth

27.8 km (17.3 mi), shallow

Epicenter

51.184° N, 178.468° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

31

After

1. 1.993 km WSW of Adak, AlaskaFri, Jul 28, 10:46 AM HADT · 1161 days ago · 56 km deep · 56 km away
2. 1.8179 km W of Adak, AlaskaFri, Jul 28, 12:53 PM HADT · 1161 days ago · 85 km deep · 90 km away
3. 1.6101 km SSW of Adak, AlaskaFri, Jul 28, 1:16 PM HADT · 1160 days ago · 25 km deep · 80 km away
4. 1.8147 km W of Adak, AlaskaFri, Jul 28, 3:54 PM HADT · 1160 days ago · 13 km deep · 54 km away
5. 1.780 km WSW of Adak, AlaskaFri, Jul 28, 8:22 PM HADT · 1160 days ago · 36 km deep · 69 km away
6. 2.1148 km SW of Adak, AlaskaSat, Jul 29, 2:27 AM HADT · 1160 days ago · 26 km deep · 11 km away
7. 1.664 km SSW of Adak, AlaskaSat, Jul 29, 3:28 AM HADT · 1160 days ago · 36 km deep · 98 km away
8. 1.882 km WSW of Adak, AlaskaSat, Jul 29, 1:55 PM HADT · 1159 days ago · 68 km deep · 73 km away
9. 2.1114 km SW of Adak, AlaskaSat, Jul 29, 6:33 PM HADT · 1159 days ago · 16 km deep · 35 km away
10. 1.9101 km WSW of Adak, AlaskaSat, Jul 29, 7:40 PM HADT · 1159 days ago · 38 km deep · 47 km away
11. 1.9211 km WSW of Adak, AlaskaSat, Jul 29, 10:21 PM HADT · 1159 days ago · 26 km deep · 75 km away
12. 2.8183 km WSW of Adak, AlaskaSun, Jul 30, 4:34 AM HADT · 1159 days ago · 31 km deep · 37 km away
13. 1.581 km WSW of Adak, AlaskaSun, Jul 30, 10:12 AM HADT · 1159 days ago · 40 km deep · 67 km away
14. 1.689 km WSW of Adak, AlaskaSun, Jul 30, 12:22 PM HADT · 1159 days ago · 25 km deep · 59 km away
15. 1.558 km WSW of Adak, AlaskaSun, Jul 30, 1:20 PM HADT · 1158 days ago · 68 km deep · 94 km away
16. 1.8194 km WSW of Adak, AlaskaSun, Jul 30, 3:39 PM HADT · 1158 days ago · 22 km deep · 54 km away
17. 1.5125 km WSW of Adak, AlaskaSun, Jul 30, 8:07 PM HADT · 1158 days ago · 7 km deep · 35 km away
18. 3.975 km SSW of Adak, AlaskaSun, Jul 30, 9:54 PM HADT · 1158 days ago · 35 km deep · 92 km away
19. 1.873 km SSW of Adak, AlaskaMon, Jul 31, 4:51 AM HADT · 1158 days ago · 27 km deep · 92 km away
20. 1.873 km SSW of Adak, AlaskaMon, Jul 31, 4:48 PM HADT · 1157 days ago · 31 km deep · 93 km away
21. 2.6117 km WSW of Adak, AlaskaMon, Jul 31, 7:24 PM HADT · 1157 days ago · 35 km deep · 32 km away
22. 2.0141 km WSW of Adak, AlaskaMon, Jul 31, 10:12 PM HADT · 1157 days ago · 11 km deep · 24 km away
23. 2.6143 km WSW of Adak, AlaskaTue, Aug 1, 1:34 AM HADT · 1157 days ago · 73 km deep · 42 km away
24. 1.996 km SW of Adak, AlaskaTue, Aug 1, 10:54 AM HADT · 1157 days ago · 32 km deep · 54 km away
25. 1.887 km SW of Adak, AlaskaTue, Aug 1, 3:37 PM HADT · 1156 days ago · 51 km deep · 66 km away
26. 2.084 km WSW of Adak, AlaskaTue, Aug 1, 3:40 PM HADT · 1156 days ago · 29 km deep · 64 km away
27. 2.1Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 2, 8:28 AM HADT · 1156 days ago · 54 km deep · 66 km away
28. 3.3155 km WSW of Adak, AlaskaWed, Aug 2, 8:54 AM HADT · 1156 days ago · 31 km deep · 7 km away
29. 2.895 km WSW of Adak, AlaskaWed, Aug 2, 3:50 PM HADT · 1155 days ago · 106 km deep · 66 km away
30. 2.7Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 2, 8:27 PM HADT · 1155 days ago · 35 km deep · 30 km away
31. 2.7192 km W of Adak, AlaskaThu, Aug 3, 4:14 AM HADT · 1155 days ago · 105 km deep · 97 km away
32. 2.9145 km WSW of Adak, AlaskaFri, Aug 4, 8:15 AM HADT · 1154 days ago · 35 km deep · 4 km away
33. 2.1123 km SW of Adak, AlaskaSat, Aug 5, 4:28 AM HADT · 1153 days ago · 22 km deep · 36 km away
34. 3.6182 km WSW of Adak, AlaskaSat, Aug 5, 6:56 AM HADT · 1153 days ago · 35 km deep · 49 km away
35. 2.1184 km WSW of Adak, AlaskaSat, Aug 5, 7:53 AM HADT · 1153 days ago · 22 km deep · 51 km away
36. 2.0113 km WSW of Adak, AlaskaSat, Aug 5, 1:31 PM HADT · 1152 days ago · 12 km deep · 41 km away
37. 2.763 km SW of Adak, AlaskaSat, Aug 5, 6:24 PM HADT · 1152 days ago · 33 km deep · 87 km away
38. 3.182 km SW of Adak, AlaskaSun, Aug 6, 4:54 AM HADT · 1152 days ago · 65 km deep · 66 km away
39. 2.0211 km WSW of Adak, AlaskaSun, Aug 6, 7:35 PM HADT · 1151 days ago · 42 km deep · 80 km away
40. 3.071 km WSW of Adak, AlaskaMon, Aug 7, 2:34 AM HADT · 1151 days ago · 33 km deep · 77 km away
41. 3.7126 km WSW of Adak, AlaskaMon, Aug 7, 5:01 AM HADT · 1151 days ago · 42 km deep · 23 km away
42. 2.0134 km WSW of Adak, AlaskaMon, Aug 7, 10:19 AM HADT · 1151 days ago · 12 km deep · 34 km away
43. 1.6104 km WSW of Adak, AlaskaMon, Aug 7, 11:30 AM HADT · 1151 days ago · 38 km deep · 45 km away
44. 1.652 km WSW of Adak, AlaskaMon, Aug 7, 11:54 AM HADT · 1151 days ago · 67 km deep · 96 km away
45. 2.0150 km W of Adak, AlaskaMon, Aug 7, 1:43 PM HADT · 1150 days ago · 88 km deep · 64 km away
46. 2.0122 km W of Adak, AlaskaTue, Aug 8, 12:14 AM HADT · 1150 days ago · 86 km deep · 77 km away
47. 1.8127 km WSW of Adak, AlaskaTue, Aug 8, 5:32 AM HADT · 1150 days ago · 9 km deep · 46 km away
48. 1.6101 km W of Adak, AlaskaTue, Aug 8, 2:48 PM HADT · 1149 days ago · 5 km deep · 80 km away
49. 1.7Andreanof Islands, Aleutian Islands, AlaskaTue, Aug 8, 4:04 PM HADT · 1149 days ago · 24 km deep · 6 km away
50. 1.9164 km WSW of Adak, AlaskaWed, Aug 9, 4:41 PM HADT · 1148 days ago · 17 km deep · 37 km away
51. 2.1192 km WSW of Adak, AlaskaWed, Aug 9, 7:54 PM HADT · 1148 days ago · 68 km deep · 74 km away
52. 1.6112 km WSW of Adak, AlaskaThu, Aug 10, 6:59 AM HADT · 1148 days ago · 12 km deep · 38 km away
53. 1.5178 km W of Adak, AlaskaThu, Aug 10, 8:06 AM HADT · 1148 days ago · 9 km deep · 71 km away
54. 1.9233 km WSW of Adak, AlaskaThu, Aug 10, 9:54 AM HADT · 1148 days ago · 16 km deep · 91 km away
55. 1.8161 km W of Adak, AlaskaThu, Aug 10, 2:37 PM HADT · 1147 days ago · 111 km deep · 74 km away
56. 3.1Andreanof Islands, Aleutian Islands, AlaskaThu, Aug 10, 4:13 PM HADT · 1147 days ago · 10 km deep · 32 km away
57. 1.5128 km WSW of Adak, AlaskaFri, Aug 11, 6:52 AM HADT · 1147 days ago · 27 km deep · 25 km away
58. 1.8187 km WSW of Adak, AlaskaFri, Aug 11, 7:18 AM HADT · 1147 days ago · 24 km deep · 55 km away
59. 1.6131 km WSW of Adak, AlaskaFri, Aug 11, 7:59 AM HADT · 1147 days ago · 26 km deep · 17 km away
60. 1.6132 km W of Adak, AlaskaFri, Aug 11, 9:44 AM HADT · 1147 days ago · 20 km deep · 68 km away

The first 60 of at least 199.

Before

1. 1.5Andreanof Islands, Aleutian Islands, AlaskaFri, Jul 28, 6:37 AM HADT · 1161 days ago · 8 km deep · 48 km away
2. 1.6126 km WSW of Adak, AlaskaFri, Jul 28, 5:55 AM HADT · 1161 days ago · 8 km deep · 41 km away
3. 1.5163 km WSW of Adak, AlaskaFri, Jul 28, 3:36 AM HADT · 1161 days ago · 13 km deep · 46 km away
4. 1.8242 km WSW of Adak, AlaskaThu, Jul 27, 11:40 PM GMT-12 · 1161 days ago · 13 km deep · 100 km away
5. 1.974 km SW of Adak, AlaskaFri, Jul 28, 12:25 AM HADT · 1161 days ago · 31 km deep · 75 km away
6. 1.7127 km WSW of Adak, AlaskaThu, Jul 27, 11:01 PM HADT · 1161 days ago · 12 km deep · 41 km away
7. 2.0103 km WSW of Adak, AlaskaThu, Jul 27, 10:12 PM HADT · 1161 days ago · 13 km deep · 45 km away
8. 2.2241 km WSW of Adak, AlaskaThu, Jul 27, 12:01 PM GMT-12 · 1161 days ago · 8 km deep · 96 km away
9. 1.5Andreanof Islands, Aleutian Islands, AlaskaThu, Jul 27, 9:37 AM HADT · 1162 days ago · 16 km deep · 50 km away
10. 1.7186 km WSW of Adak, AlaskaWed, Jul 26, 9:03 PM HADT · 1162 days ago · 23 km deep · 42 km away
11. 1.889 km SW of Adak, AlaskaWed, Jul 26, 9:56 AM HADT · 1163 days ago · 36 km deep · 63 km away
12. 2.7220 km WSW of Adak, AlaskaWed, Jul 26, 8:15 AM HADT · 1163 days ago · 35 km deep · 75 km away
13. 1.7178 km W of Adak, AlaskaWed, Jul 26, 7:05 AM HADT · 1163 days ago · 7 km deep · 80 km away
14. 2.0131 km WSW of Adak, AlaskaTue, Jul 25, 7:52 AM HADT · 1164 days ago · 9 km deep · 44 km away
15. 1.8135 km WSW of Adak, AlaskaTue, Jul 25, 7:23 AM HADT · 1164 days ago · 13 km deep · 43 km away
16. 2.1125 km WSW of Adak, AlaskaTue, Jul 25, 12:18 AM HADT · 1164 days ago · 42 km deep · 24 km away
17. 3.6191 km WSW of Adak, AlaskaMon, Jul 24, 10:17 PM HADT · 1164 days ago · 27 km deep · 50 km away
18. 2.0127 km WSW of Adak, AlaskaMon, Jul 24, 6:52 PM HADT · 1164 days ago · 13 km deep · 48 km away
19. 2.5122 km SW of Adak, AlaskaMon, Jul 24, 1:31 PM HADT · 1164 days ago · 35 km deep · 32 km away
20. 2.8198 km WSW of Adak, AlaskaMon, Jul 24, 9:22 AM HADT · 1165 days ago · 35 km deep · 51 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0239ly2wds. Read Thu, Oct 1, 2026, 9:29 AM UTC.