M1.5 earthquake 73 km SSW of Ugashik, Alaska

Magnitude

1.5 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Tue, Aug 15, 2023, 1:21 PM AKDT

UTC

2023-08-15 21:21:31 UTC

Depth

-3.0 km (-1.9 mi), shallow

Epicenter

56.937° N, 157.988° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.2 km horizontally, 4.5 km in depth

Magnitude uncertainty

±0.38

Depth from

From location

Station coverage gap

295°, poorly surrounded by stations

Stations used

4

• Naknek, AlaskaPopulation 544. Forecast207 kmSSW

After

1. 2.2107 km SSE of Ugashik, AlaskaThu, Aug 17, 6:46 AM AKDT · 1143 days ago · 1 km deep · 87 km away
2. 2.383 km SSE of Ugashik, AlaskaThu, Aug 17, 8:45 AM AKDT · 1143 days ago · 89 km deep · 63 km away
3. 1.670 km NNE of Chignik, AlaskaThu, Aug 17, 12:07 PM AKDT · 1143 days ago · -2 km deep · 5 km away
4. 1.828 km SSE of Chignik, AlaskaThu, Aug 17, 6:49 PM AKDT · 1143 days ago · 62 km deep · 96 km away
5. 2.261 km SSW of Pilot Point, AlaskaSat, Aug 19, 1:34 AM AKDT · 1142 days ago · 115 km deep · 15 km away
6. 2.6Alaska PeninsulaSat, Aug 19, 8:56 AM AKDT · 1141 days ago · 72 km deep · 41 km away
7. 2.0115 km ENE of Chignik, AlaskaSun, Aug 20, 1:51 AM AKDT · 1141 days ago · 47 km deep · 96 km away · felt by 1
8. 1.940 km WNW of Chignik Lake, AlaskaSun, Aug 20, 9:05 AM AKDT · 1140 days ago · 134 km deep · 98 km away
9. 1.668 km SSE of Ugashik, AlaskaMon, Aug 21, 11:06 AM AKDT · 1139 days ago · 79 km deep · 65 km away
10. 2.256 km ESE of Ugashik, AlaskaFri, Aug 25, 7:01 PM AKDT · 1135 days ago · 90 km deep · 94 km away
11. 1.959 km NNE of Chignik Lagoon, AlaskaSun, Aug 27, 12:28 PM AKDT · 1133 days ago · 19 km deep · 25 km away
12. 3.6107 km E of Chignik, AlaskaMon, Aug 28, 6:41 PM AKDT · 1132 days ago · 7 km deep · 98 km away
13. 2.467 km E of Chignik, AlaskaFri, Sep 1, 2:46 PM AKDT · 1128 days ago · 51 km deep · 76 km away
14. 2.2101 km E of Chignik, AlaskaSun, Sep 3, 12:45 AM AKDT · 1127 days ago · 65 km deep · 89 km away
15. 2.170 km ESE of Ugashik, AlaskaSun, Sep 3, 8:10 AM AKDT · 1126 days ago · 4 km deep · 99 km away
16. 2.5Alaska PeninsulaMon, Sep 4, 12:23 PM AKDT · 1125 days ago · 2 km deep · 99 km away
17. 2.073 km SE of Ugashik, AlaskaMon, Sep 4, 1:08 PM AKDT · 1125 days ago · 4 km deep · 96 km away
18. 2.8105 km SSE of Ugashik, AlaskaWed, Sep 6, 3:48 PM AKDT · 1123 days ago · 62 km deep · 83 km away
19. 2.272 km SE of Ugashik, AlaskaWed, Sep 6, 10:20 PM AKDT · 1123 days ago · 4 km deep · 97 km away
20. 2.762 km E of Chignik, AlaskaTue, Sep 12, 1:49 AM AKDT · 1118 days ago · 46 km deep · 80 km away
21. 1.864 km SSW of Ugashik, AlaskaWed, Sep 13, 2:36 AM AKDT · 1116 days ago · 2 km deep · 22 km away
22. 2.0Alaska PeninsulaFri, Sep 15, 12:18 AM AKDT · 1115 days ago · 121 km deep · 90 km away
23. 1.661 km SE of Ugashik, AlaskaSun, Sep 17, 9:51 PM AKDT · 1112 days ago · 8 km deep · 91 km away
24. 2.6Alaska PeninsulaWed, Sep 20, 6:02 PM AKDT · 1109 days ago · 116 km deep · 15 km away
25. 2.113 km E of Ugashik, AlaskaThu, Sep 21, 11:55 PM AKDT · 1108 days ago · 108 km deep · 79 km away
26. 2.471 km SE of Ugashik, AlaskaSat, Sep 23, 3:22 PM AKDT · 1106 days ago · 3 km deep · 98 km away
27. 2.472 km SE of Ugashik, AlaskaSat, Sep 23, 3:25 PM AKDT · 1106 days ago · 2 km deep · 98 km away
28. 1.574 km SE of Ugashik, AlaskaSat, Sep 23, 3:31 PM AKDT · 1106 days ago · 0 km deep · 98 km away
29. 1.613 km NE of Chignik, AlaskaSat, Sep 23, 6:27 PM AKDT · 1106 days ago · 88 km deep · 63 km away
30. 1.754 km E of Chignik, AlaskaSat, Sep 23, 9:14 PM AKDT · 1106 days ago · 20 km deep · 86 km away
31. 2.239 km S of Ugashik, AlaskaTue, Sep 26, 4:55 AM AKDT · 1103 days ago · 8 km deep · 39 km away
32. 2.174 km SE of Ugashik, AlaskaTue, Sep 26, 5:26 PM AKDT · 1103 days ago · 76 km deep · 89 km away
33. 2.118 km ESE of Ugashik, AlaskaTue, Sep 26, 5:32 PM AKDT · 1103 days ago · 111 km deep · 79 km away
34. 2.8Alaska PeninsulaWed, Sep 27, 12:39 AM AKDT · 1103 days ago · 88 km deep · 96 km away
35. 1.547 km NE of Chignik, AlaskaThu, Sep 28, 1:51 AM AKDT · 1102 days ago · 7 km deep · 37 km away
36. 1.794 km SSE of Ugashik, AlaskaThu, Sep 28, 10:04 AM AKDT · 1101 days ago · 56 km deep · 85 km away
37. 1.6Alaska PeninsulaThu, Sep 28, 10:22 AM AKDT · 1101 days ago · 20 km deep · 84 km away
38. 1.925 km S of Ugashik, AlaskaThu, Sep 28, 12:41 PM AKDT · 1101 days ago · 108 km deep · 53 km away
39. 2.760 km SSW of Ugashik, AlaskaSat, Sep 30, 4:00 AM AKDT · 1099 days ago · 8 km deep · 18 km away
40. 3.0113 km SSE of Ugashik, AlaskaSun, Oct 1, 9:40 AM AKDT · 1098 days ago · 81 km deep · 94 km away
41. 2.073 km SSW of Ugashik, AlaskaMon, Oct 2, 1:03 AM AKDT · 1098 days ago · -3 km deep · 2 km away
42. 2.048 km ESE of Ugashik, AlaskaMon, Oct 2, 10:43 AM AKDT · 1097 days ago · 8 km deep · 90 km away
43. 2.0Alaska PeninsulaMon, Oct 2, 10:43 AM AKDT · 1097 days ago · 3 km deep · 93 km away
44. 2.0Alaska PeninsulaWed, Oct 4, 12:37 AM AKDT · 1096 days ago · 12 km deep · 95 km away
45. 2.4Alaska PeninsulaThu, Oct 5, 10:33 PM AKDT · 1094 days ago · 19 km deep · 83 km away
46. 2.376 km E of Chignik, AlaskaSat, Oct 7, 2:22 AM AKDT · 1093 days ago · 50 km deep · 98 km away
47. 2.1101 km ENE of Chignik, AlaskaSun, Oct 8, 5:21 AM AKDT · 1091 days ago · 85 km deep · 78 km away
48. 2.151 km SSE of Ugashik, AlaskaSun, Oct 8, 8:57 AM AKDT · 1091 days ago · 91 km deep · 61 km away
49. 2.173 km SE of Ugashik, AlaskaThu, Oct 12, 12:05 PM AKDT · 1087 days ago · 83 km deep · 99 km away
50. 2.325 km ESE of Chignik, AlaskaThu, Oct 12, 12:31 PM AKDT · 1087 days ago · 64 km deep · 86 km away

Before

1. 1.763 km NE of Chignik, AlaskaTue, Aug 15, 5:02 AM AKDT · 1145 days ago · 89 km deep · 22 km away
2. 1.944 km SE of Ugashik, AlaskaMon, Aug 14, 11:15 PM AKDT · 1146 days ago · 89 km deep · 76 km away
3. 1.671 km NNE of Chignik, AlaskaMon, Aug 14, 1:56 PM AKDT · 1146 days ago · 4 km deep · 6 km away
4. 1.840 km SSE of Ugashik, AlaskaMon, Aug 14, 1:28 PM AKDT · 1146 days ago · 100 km deep · 57 km away
5. 2.150 km ESE of Chignik, AlaskaFri, Aug 11, 12:56 AM AKDT · 1150 days ago · 16 km deep · 95 km away
6. 2.838 km SSW of Ugashik, AlaskaWed, Aug 9, 3:59 AM AKDT · 1151 days ago · 118 km deep · 37 km away
7. 2.315 km NE of Chignik, AlaskaTue, Aug 8, 12:28 AM AKDT · 1153 days ago · 77 km deep · 63 km away
8. 1.547 km NE of Chignik, AlaskaWed, Aug 2, 12:23 AM AKDT · 1159 days ago · 85 km deep · 34 km away
9. 3.2102 km ENE of Chignik, AlaskaTue, Aug 1, 3:45 PM AKDT · 1159 days ago · 30 km deep · 84 km away
10. 1.8Alaska PeninsulaTue, Aug 1, 1:03 AM AKDT · 1160 days ago · 2 km deep · 99 km away
11. 2.672 km SE of Ugashik, AlaskaTue, Aug 1, 1:00 AM AKDT · 1160 days ago · 1 km deep · 100 km away
12. 1.843 km ESE of Ugashik, AlaskaMon, Jul 31, 12:09 PM AKDT · 1160 days ago · 109 km deep · 91 km away
13. 2.670 km NNE of Chignik, AlaskaThu, Jul 27, 9:50 AM AKDT · 1164 days ago · 4 km deep · 8 km away
14. 1.956 km S of Ugashik, AlaskaWed, Jul 26, 8:55 AM AKDT · 1165 days ago · 8 km deep · 33 km away
15. 1.751 km NNW of Chignik Lagoon, AlaskaMon, Jul 24, 7:41 PM AKDT · 1167 days ago · 104 km deep · 51 km away
16. 2.472 km ESE of Ugashik, AlaskaMon, Jul 24, 10:38 AM AKDT · 1167 days ago · 2 km deep · 100 km away
17. 1.736 km ESE of Chignik, AlaskaFri, Jul 21, 2:12 AM AKDT · 1171 days ago · 53 km deep · 90 km away
18. 1.680 km SE of Ugashik, AlaskaThu, Jul 20, 3:34 AM AKDT · 1171 days ago · 82 km deep · 88 km away
19. 2.010 km S of Chignik Lagoon, AlaskaThu, Jul 20, 12:51 AM AKDT · 1172 days ago · 87 km deep · 87 km away
20. 2.661 km SSW of Ugashik, AlaskaTue, Jul 18, 2:32 AM AKDT · 1173 days ago · 100 km deep · 19 km away

From the USGS Earthquake Hazards Program and its partner networks, event av92003231. Read Sat, Oct 3, 2026, 9:53 PM UTC.