M2.7 earthquake 243 km WSW of Adak, Alaska

Magnitude

2.7 (ml), micro

Local time

Mon, Jul 24, 2023, 7:35 AM GMT+12

UTC

2023-07-23 19:35:34 UTC

Depth

64.7 km (40.2 mi), shallow

Epicenter

51.310° N, 179.965° E

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 4.4 km horizontally, 5.8 km in depth

Magnitude uncertainty

±0.09

Depth from

From location

Station coverage gap

204°, poorly surrounded by stations

Stations used

19

After

1. 2.0210 km W of Adak, AlaskaSun, Jul 23, 7:11 PM HADT · 1165 days ago · 83 km deep · 43 km away
2. 2.8198 km WSW of Adak, AlaskaMon, Jul 24, 9:22 AM HADT · 1164 days ago · 35 km deep · 66 km away
3. 3.6191 km WSW of Adak, AlaskaMon, Jul 24, 10:17 PM HADT · 1164 days ago · 27 km deep · 60 km away
4. 3.0Rat Islands, Aleutian Islands, AlaskaTue, Jul 25, 10:40 PM GMT+12 · 1164 days ago · 35 km deep · 72 km away
5. 2.1Andreanof Islands, Aleutian Islands, AlaskaTue, Jul 25, 7:28 AM HADT · 1163 days ago · 86 km deep · 53 km away
6. 1.7178 km W of Adak, AlaskaWed, Jul 26, 7:05 AM HADT · 1162 days ago · 7 km deep · 74 km away
7. 2.7220 km WSW of Adak, AlaskaWed, Jul 26, 8:15 AM HADT · 1162 days ago · 35 km deep · 45 km away
8. 1.7186 km WSW of Adak, AlaskaWed, Jul 26, 9:03 PM HADT · 1162 days ago · 23 km deep · 69 km away
9. 1.7Rat Islands, Aleutian Islands, AlaskaThu, Jul 27, 7:15 PM GMT+12 · 1162 days ago · 79 km deep · 99 km away
10. 1.8208 km W of Adak, AlaskaThu, Jul 27, 9:52 AM HADT · 1161 days ago · 88 km deep · 59 km away
11. 1.5235 km WSW of Adak, AlaskaThu, Jul 27, 11:11 AM HADT · 1161 days ago · 13 km deep · 12 km away
12. 1.5238 km WSW of Adak, AlaskaThu, Jul 27, 9:34 AM GMT-12 · 1161 days ago · 13 km deep · 10 km away
13. 2.2241 km WSW of Adak, AlaskaThu, Jul 27, 12:01 PM GMT-12 · 1161 days ago · 8 km deep · 36 km away
14. 2.6252 km WSW of Adak, AlaskaFri, Jul 28, 4:27 PM GMT+12 · 1161 days ago · 10 km deep · 8 km away
15. 2.0235 km WSW of Adak, AlaskaThu, Jul 27, 7:42 PM HADT · 1161 days ago · 13 km deep · 13 km away
16. 1.8242 km WSW of Adak, AlaskaThu, Jul 27, 11:40 PM GMT-12 · 1161 days ago · 13 km deep · 28 km away
17. 1.5163 km WSW of Adak, AlaskaFri, Jul 28, 3:36 AM HADT · 1161 days ago · 13 km deep · 80 km away
18. 2.8Rat Islands, Aleutian Islands, AlaskaSat, Jul 29, 5:19 AM GMT+12 · 1160 days ago · 63 km deep · 99 km away
19. 1.9Rat Islands, Aleutian Islands, AlaskaSat, Jul 29, 8:23 AM GMT+12 · 1160 days ago · 58 km deep · 79 km away
20. 1.8179 km W of Adak, AlaskaFri, Jul 28, 12:53 PM HADT · 1160 days ago · 85 km deep · 80 km away
21. 1.8147 km W of Adak, AlaskaFri, Jul 28, 3:54 PM HADT · 1160 days ago · 13 km deep · 97 km away
22. 3.9Rat Islands, Aleutian Islands, AlaskaSat, Jul 29, 3:12 PM GMT+12 · 1160 days ago · 64 km deep · 95 km away
23. 1.9211 km WSW of Adak, AlaskaSat, Jul 29, 10:21 PM HADT · 1159 days ago · 26 km deep · 35 km away
24. 2.8183 km WSW of Adak, AlaskaSun, Jul 30, 4:34 AM HADT · 1159 days ago · 31 km deep · 75 km away
25. 1.8Rat Islands, Aleutian Islands, AlaskaMon, Jul 31, 2:36 AM GMT+12 · 1158 days ago · 39 km deep · 71 km away
26. 1.7Rat Islands, Aleutian Islands, AlaskaMon, Jul 31, 4:40 AM GMT+12 · 1158 days ago · 66 km deep · 69 km away
27. 1.7265 km W of Adak, AlaskaMon, Jul 31, 5:47 AM GMT+12 · 1158 days ago · 82 km deep · 66 km away
28. 2.2224 km W of Adak, AlaskaSun, Jul 30, 1:41 PM HADT · 1158 days ago · 14 km deep · 63 km away
29. 1.8194 km WSW of Adak, AlaskaSun, Jul 30, 3:39 PM HADT · 1158 days ago · 22 km deep · 56 km away
30. 1.9246 km WSW of Adak, AlaskaTue, Aug 1, 12:47 PM GMT+12 · 1157 days ago · 21 km deep · 5 km away
31. 1.7Rat Islands, Aleutian Islands, AlaskaTue, Aug 1, 6:51 PM GMT+12 · 1157 days ago · 60 km deep · 87 km away
32. 2.6143 km WSW of Adak, AlaskaTue, Aug 1, 1:34 AM HADT · 1157 days ago · 73 km deep · 100 km away
33. 3.0Rat Islands, Aleutian Islands, AlaskaWed, Aug 2, 7:19 AM GMT+12 · 1156 days ago · 35 km deep · 85 km away
34. 1.9238 km WSW of Adak, AlaskaTue, Aug 1, 3:10 PM GMT-12 · 1156 days ago · 21 km deep · 10 km away
35. 2.7192 km W of Adak, AlaskaThu, Aug 3, 4:14 AM HADT · 1155 days ago · 105 km deep · 71 km away
36. 3.6182 km WSW of Adak, AlaskaSat, Aug 5, 6:56 AM HADT · 1152 days ago · 35 km deep · 63 km away
37. 2.1184 km WSW of Adak, AlaskaSat, Aug 5, 7:53 AM HADT · 1152 days ago · 22 km deep · 61 km away
38. 2.9Rat Islands, Aleutian Islands, AlaskaSun, Aug 6, 3:21 PM GMT+12 · 1152 days ago · 63 km deep · 75 km away
39. 2.2Andreanof Islands, Aleutian Islands, AlaskaSun, Aug 6, 2:17 PM GMT-12 · 1151 days ago · 13 km deep · 36 km away
40. 2.0211 km WSW of Adak, AlaskaSun, Aug 6, 7:35 PM HADT · 1151 days ago · 42 km deep · 33 km away
41. 1.9254 km WSW of Adak, AlaskaTue, Aug 8, 10:04 AM GMT+12 · 1150 days ago · 14 km deep · 26 km away
42. 2.0150 km W of Adak, AlaskaMon, Aug 7, 1:43 PM HADT · 1150 days ago · 88 km deep · 97 km away
43. 1.6259 km W of Adak, AlaskaTue, Aug 8, 12:26 PM GMT+12 · 1150 days ago · 60 km deep · 28 km away
44. 1.8240 km WSW of Adak, AlaskaWed, Aug 9, 4:03 AM GMT+12 · 1149 days ago · 66 km deep · 20 km away
45. 1.9Rat Islands, Aleutian Islands, AlaskaWed, Aug 9, 5:38 AM GMT+12 · 1149 days ago · 57 km deep · 66 km away
46. 2.7Rat Islands, Aleutian Islands, AlaskaWed, Aug 9, 1:08 PM GMT+12 · 1149 days ago · 20 km deep · 80 km away
47. 1.8Rat Islands, Aleutian Islands, AlaskaWed, Aug 9, 1:11 PM GMT+12 · 1149 days ago · 13 km deep · 79 km away
48. 1.9164 km WSW of Adak, AlaskaWed, Aug 9, 4:41 PM HADT · 1148 days ago · 17 km deep · 81 km away
49. 2.1192 km WSW of Adak, AlaskaWed, Aug 9, 7:54 PM HADT · 1148 days ago · 68 km deep · 53 km away
50. 1.5178 km W of Adak, AlaskaThu, Aug 10, 8:06 AM HADT · 1147 days ago · 9 km deep · 68 km away
51. 1.9233 km WSW of Adak, AlaskaThu, Aug 10, 9:54 AM HADT · 1147 days ago · 16 km deep · 31 km away
52. 1.8161 km W of Adak, AlaskaThu, Aug 10, 2:37 PM HADT · 1147 days ago · 111 km deep · 90 km away
53. 2.3244 km WSW of Adak, AlaskaFri, Aug 11, 3:40 AM GMT-12 · 1146 days ago · 26 km deep · 22 km away
54. 1.8187 km WSW of Adak, AlaskaFri, Aug 11, 7:18 AM HADT · 1146 days ago · 24 km deep · 58 km away
55. 1.7166 km W of Adak, AlaskaFri, Aug 11, 7:07 PM HADT · 1146 days ago · 8 km deep · 85 km away
56. 2.0258 km WSW of Adak, AlaskaSat, Aug 12, 11:43 PM GMT+12 · 1146 days ago · 5 km deep · 19 km away
57. 2.8Rat Islands, Aleutian Islands, AlaskaSat, Aug 12, 11:54 PM GMT+12 · 1146 days ago · 57 km deep · 85 km away
58. 1.8Rat Islands, Aleutian Islands, AlaskaSun, Aug 13, 2:44 AM GMT+12 · 1145 days ago · 51 km deep · 71 km away
59. 2.9Rat Islands, Aleutian Islands, AlaskaSun, Aug 13, 7:11 AM GMT+12 · 1145 days ago · 28 km deep · 71 km away
60. 2.7263 km W of Adak, AlaskaSun, Aug 13, 7:53 AM GMT+12 · 1145 days ago · 196 km deep · 90 km away

The first 60 of at least 199.

Before

1. 2.0291 km WSW of Adak, AlaskaMon, Jul 24, 7:09 AM GMT+12 · 1165 days ago · 17 km deep · 50 km away
2. 2.8277 km W of Adak, AlaskaMon, Jul 24, 5:00 AM GMT+12 · 1165 days ago · 178 km deep · 74 km away
3. 2.9Rat Islands, Aleutian Islands, AlaskaMon, Jul 24, 4:17 AM GMT+12 · 1165 days ago · 27 km deep · 59 km away
4. 2.0Rat Islands, Aleutian Islands, AlaskaSun, Jul 23, 10:04 PM GMT+12 · 1166 days ago · 56 km deep · 95 km away
5. 3.8Rat Islands, Aleutian Islands, AlaskaSun, Jul 23, 5:10 PM GMT+12 · 1166 days ago · 48 km deep · 82 km away
6. 2.0Rat Islands, Aleutian Islands, AlaskaSun, Jul 23, 10:42 AM GMT+12 · 1166 days ago · 9 km deep · 74 km away
7. 2.1201 km WSW of Adak, AlaskaSat, Jul 22, 5:35 AM HADT · 1166 days ago · 13 km deep · 61 km away
8. 3.4269 km W of Adak, AlaskaSat, Jul 22, 12:36 PM GMT+12 · 1167 days ago · 164 km deep · 71 km away
9. 1.9Rat Islands, Aleutian Islands, AlaskaSat, Jul 22, 12:45 AM GMT+12 · 1168 days ago · 63 km deep · 91 km away
10. 2.2287 km W of Adak, AlaskaThu, Jul 20, 2:18 AM GMT+12 · 1169 days ago · 79 km deep · 69 km away
11. 3.6252 km WSW of Adak, AlaskaWed, Jul 19, 6:37 PM GMT+12 · 1170 days ago · 56 km deep · 11 km away
12. 1.9198 km W of Adak, AlaskaMon, Jul 17, 5:21 PM HADT · 1171 days ago · 75 km deep · 55 km away
13. 1.9267 km WSW of Adak, AlaskaTue, Jul 18, 12:41 PM GMT+12 · 1171 days ago · 15 km deep · 27 km away
14. 1.8147 km W of Adak, AlaskaMon, Jul 17, 1:12 PM HADT · 1171 days ago · 12 km deep · 97 km away
15. 1.9149 km W of Adak, AlaskaMon, Jul 17, 10:57 AM HADT · 1171 days ago · 14 km deep · 95 km away
16. 3.0Andreanof Islands, Aleutian Islands, AlaskaMon, Jul 17, 10:52 AM HADT · 1171 days ago · 18 km deep · 96 km away
17. 1.9180 km WSW of Adak, AlaskaMon, Jul 17, 4:58 AM HADT · 1172 days ago · 20 km deep · 64 km away
18. 2.1Rat Islands, Aleutian Islands, AlaskaMon, Jul 17, 6:48 PM GMT+12 · 1172 days ago · 15 km deep · 59 km away
19. 2.0Rat Islands, Aleutian Islands, AlaskaMon, Jul 17, 11:03 AM GMT+12 · 1172 days ago · 26 km deep · 74 km away
20. 1.6163 km WSW of Adak, AlaskaSun, Jul 16, 12:49 AM HADT · 1173 days ago · 15 km deep · 80 km away

From the USGS Earthquake Hazards Program and its partner networks, event us6000kwih (also filed as ak0239dp5lzi). Read Thu, Oct 1, 2026, 1:37 AM UTC.