M2.3 earthquake 161 km S of Atka, Alaska

Magnitude

2.3 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, Jul 22, 2023, 5:47 PM HADT

UTC

2023-07-23 02:47:28 UTC

Depth

5.8 km (3.6 mi), shallow

Epicenter

50.746° N, 174.368° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

After

1. 3.1176 km SSE of Adak, AlaskaMon, Jul 24, 3:45 AM HADT · 1166 days ago · 10 km deep · 71 km away
2. 3.3180 km SSE of Atka, AlaskaMon, Jul 24, 5:36 PM HADT · 1165 days ago · 10 km deep · 78 km away
3. 2.9Andreanof Islands, Aleutian Islands, AlaskaWed, Jul 26, 9:00 AM HADT · 1163 days ago · 15 km deep · 80 km away
4. 2.7188 km SSW of Atka, AlaskaFri, Jul 28, 12:13 AM HADT · 1162 days ago · 10 km deep · 39 km away
5. 2.663 km S of Atka, AlaskaSun, Jul 30, 6:40 AM HADT · 1159 days ago · 10 km deep · 99 km away
6. 2.2140 km SSE of Atka, AlaskaSun, Jul 30, 8:44 PM HADT · 1159 days ago · 26 km deep · 53 km away
7. 2.9137 km SE of Adak, AlaskaSat, Aug 5, 6:51 PM HADT · 1153 days ago · 10 km deep · 77 km away
8. 2.6150 km SSE of Adak, AlaskaSat, Aug 5, 11:24 PM HADT · 1153 days ago · 10 km deep · 79 km away
9. 2.8Andreanof Islands, Aleutian Islands, AlaskaMon, Aug 7, 6:30 AM HADT · 1151 days ago · 13 km deep · 73 km away
10. 2.5156 km S of Atka, AlaskaMon, Aug 7, 12:10 PM HADT · 1151 days ago · 10 km deep · 18 km away
11. 3.0124 km SSW of Atka, AlaskaTue, Aug 8, 2:22 PM HADT · 1150 days ago · 10 km deep · 76 km away
12. 2.6106 km SE of Adak, AlaskaThu, Aug 10, 1:31 PM HADT · 1148 days ago · 35 km deep · 97 km away
13. 2.2154 km S of Atka, AlaskaThu, Aug 10, 10:21 PM HADT · 1148 days ago · 11 km deep · 36 km away
14. 1.5110 km SW of Atka, AlaskaFri, Aug 11, 12:19 PM HADT · 1147 days ago · 13 km deep · 89 km away
15. 1.995 km S of Atka, AlaskaMon, Aug 14, 3:26 PM HADT · 1144 days ago · 26 km deep · 67 km away
16. 2.5136 km SSE of Atka, AlaskaWed, Aug 16, 2:40 AM HADT · 1143 days ago · 25 km deep · 92 km away
17. 2.3178 km SSE of Atka, AlaskaFri, Aug 18, 1:51 AM HADT · 1141 days ago · 20 km deep · 99 km away
18. 2.0171 km SSE of Atka, AlaskaFri, Aug 18, 5:57 AM HADT · 1140 days ago · 1 km deep · 69 km away
19. 1.8133 km S of Atka, AlaskaFri, Aug 18, 8:26 AM HADT · 1140 days ago · 5 km deep · 31 km away
20. 2.7Andreanof Islands, Aleutian Islands, AlaskaTue, Aug 22, 8:35 AM HADT · 1136 days ago · 10 km deep · 52 km away
21. 2.1192 km S of Atka, AlaskaTue, Aug 22, 9:39 AM HADT · 1136 days ago · 10 km deep · 32 km away
22. 1.9146 km SSE of Adak, AlaskaTue, Aug 22, 2:33 PM HADT · 1136 days ago · 26 km deep · 97 km away
23. 2.9202 km SSE of Atka, AlaskaTue, Aug 22, 9:11 PM HADT · 1136 days ago · 10 km deep · 91 km away
24. 2.8169 km S of Atka, AlaskaWed, Aug 23, 4:32 AM HADT · 1135 days ago · 10 km deep · 44 km away
25. 4.279 km SSE of Atka, AlaskaThu, Aug 24, 5:36 PM HADT · 1134 days ago · 46 km deep · 98 km away
26. 2.587 km SSW of Atka, AlaskaFri, Aug 25, 9:55 AM HADT · 1133 days ago · 35 km deep · 81 km away
27. 2.3119 km SSW of Atka, AlaskaMon, Aug 28, 7:31 AM HADT · 1130 days ago · 36 km deep · 69 km away
28. 3.084 km SSE of Atka, AlaskaTue, Aug 29, 6:49 PM HADT · 1129 days ago · 35 km deep · 96 km away
29. 2.8Andreanof Islands, Aleutian Islands, AlaskaThu, Aug 31, 10:00 PM HADT · 1127 days ago · 35 km deep · 94 km away
30. 3.683 km S of Atka, AlaskaMon, Sep 4, 7:19 AM HADT · 1123 days ago · 39 km deep · 79 km away
31. 3.683 km S of Atka, AlaskaMon, Sep 4, 6:24 PM HADT · 1123 days ago · 35 km deep · 78 km away
32. 2.8169 km SSE of Atka, AlaskaTue, Sep 5, 4:07 AM HADT · 1123 days ago · 10 km deep · 46 km away
33. 2.3199 km SSE of Adak, AlaskaTue, Sep 5, 9:52 PM HADT · 1122 days ago · 5 km deep · 86 km away
34. 2.6196 km SSE of Atka, AlaskaWed, Sep 6, 2:24 AM HADT · 1122 days ago · 10 km deep · 61 km away
35. 2.1156 km S of Atka, AlaskaWed, Sep 6, 8:33 PM HADT · 1121 days ago · 15 km deep · 21 km away
36. 3.2170 km SSE of Atka, AlaskaThu, Sep 7, 10:43 AM HADT · 1120 days ago · 10 km deep · 88 km away
37. 3.3188 km S of Atka, AlaskaSat, Sep 9, 2:38 AM HADT · 1119 days ago · 10 km deep · 33 km away
38. 2.9198 km S of Atka, AlaskaThu, Sep 14, 10:19 AM HADT · 1113 days ago · 10 km deep · 37 km away
39. 2.9109 km SSW of Atka, AlaskaSun, Sep 17, 1:05 PM HADT · 1110 days ago · 35 km deep · 85 km away

Before

1. 3.2196 km SE of Adak, AlaskaSat, Jul 22, 1:54 PM HADT · 1167 days ago · 10 km deep · 53 km away
2. 3.4207 km S of Atka, AlaskaThu, Jul 20, 6:40 AM HADT · 1169 days ago · 10 km deep · 63 km away
3. 3.4100 km SSE of Atka, AlaskaThu, Jul 20, 12:43 AM HADT · 1170 days ago · 25 km deep · 72 km away
4. 3.4192 km SE of Adak, AlaskaTue, Jul 18, 1:40 PM HADT · 1171 days ago · 10 km deep · 56 km away
5. 2.9184 km SSE of Atka, AlaskaTue, Jul 18, 8:16 AM HADT · 1171 days ago · 10 km deep · 70 km away
6. 2.0100 km SSW of Atka, AlaskaMon, Jul 17, 6:25 PM HADT · 1172 days ago · 25 km deep · 64 km away
7. 1.883 km SSE of Atka, AlaskaSun, Jul 16, 5:51 PM HADT · 1173 days ago · 0 km deep · 87 km away
8. 3.8197 km S of Atka, AlaskaSun, Jul 16, 4:18 PM HADT · 1173 days ago · 36 km deep · 37 km away
9. 2.1148 km S of Atka, AlaskaSun, Jul 16, 3:38 AM HADT · 1174 days ago · 7 km deep · 39 km away
10. 1.6Andreanof Islands, Aleutian Islands, AlaskaSat, Jul 15, 9:20 PM HADT · 1174 days ago · 11 km deep · 96 km away
11. 2.1155 km SE of Adak, AlaskaThu, Jul 13, 7:41 PM HADT · 1176 days ago · 5 km deep · 59 km away
12. 2.2142 km S of Atka, AlaskaMon, Jul 10, 4:53 PM HADT · 1179 days ago · 7 km deep · 36 km away
13. 2.1123 km SSW of Atka, AlaskaMon, Jul 10, 8:56 AM HADT · 1179 days ago · 14 km deep · 76 km away
14. 3.7190 km S of Atka, AlaskaThu, Jul 6, 2:19 AM HADT · 1184 days ago · 10 km deep · 54 km away
15. 2.0127 km SE of Adak, AlaskaThu, Jul 6, 1:17 AM HADT · 1184 days ago · 5 km deep · 74 km away
16. 2.9118 km SSE of Atka, AlaskaWed, Jul 5, 5:06 PM HADT · 1184 days ago · 10 km deep · 73 km away
17. 2.3199 km SSE of Adak, AlaskaSun, Jul 2, 9:18 AM HADT · 1187 days ago · 10 km deep · 100 km away
18. 2.7113 km SSW of Atka, AlaskaSat, Jul 1, 3:59 AM HADT · 1189 days ago · 13 km deep · 74 km away
19. 3.6121 km SE of Adak, AlaskaFri, Jun 30, 7:07 PM HADT · 1189 days ago · 10 km deep · 81 km away
20. 2.5109 km SSW of Atka, AlaskaThu, Jun 29, 5:45 PM HADT · 1190 days ago · 10 km deep · 76 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0239df3ssb. Read Fri, Oct 2, 2026, 12:47 AM UTC.