M4.8 earthquake 113 km S of False Pass, Alaska

Magnitude

4.8 (mww), light

Local time

Mon, Jul 17, 2023, 1:59 PM AKDT

UTC

2023-07-17 21:59:04 UTC

Depth

47.8 km (29.7 mi), shallow

Epicenter

53.836° N, 163.567° W

Region

Alaska

Felt reports

1

Strongest shaking

II, weak shaking

Tsunami flag

Yes: a large quake in an oceanic region

Status

Reviewed by a seismologist

The USGS flags a quake this large in an oceanic region. The flag does not mean a tsunami happened; the tsunami warning centers decide that, and their messages are below when they issued any.

Current tsunami warnings: tsunami.gov. Warnings in force in the US also appear on our alerts pages.

Strongest estimated

II, weak shaking

Peak ground acceleration

0.2% of gravity

Peak ground velocity

-2.1 cm/s

Map

Automatic

Location uncertainty

About 4.9 km horizontally, 5.7 km in depth

Magnitude uncertainty

±0.08

Depth from

From location

Station coverage gap

132°

Stations used

195

• Akutan, AlaskaPopulation 1,040. Forecast148 kmESE

After

1. 3.5112 km S of False Pass, AlaskaMon, Jul 17, 5:47 PM AKDT · 1169 days ago · 39 km deep · 5 km away
2. 2.2120 km S of False Pass, AlaskaTue, Jul 18, 12:47 AM AKDT · 1168 days ago · 24 km deep · 10 km away
3. 2.244 km SE of False Pass, AlaskaWed, Jul 19, 2:08 AM AKDT · 1167 days ago · 95 km deep · 98 km away
4. 2.3Unimak Island region, AlaskaWed, Jul 19, 2:37 AM AKDT · 1167 days ago · 30 km deep · 13 km away
5. 3.2154 km S of False Pass, AlaskaWed, Jul 19, 6:00 AM AKDT · 1167 days ago · 20 km deep · 41 km away
6. 2.2118 km S of False Pass, AlaskaWed, Jul 19, 7:39 AM AKDT · 1167 days ago · 28 km deep · 9 km away
7. 3.273 km S of King Cove, AlaskaWed, Jul 19, 7:58 AM AKDT · 1167 days ago · 10 km deep · 95 km away
8. 3.0Unimak Island region, AlaskaWed, Jul 19, 1:20 PM AKDT · 1167 days ago · 10 km deep · 46 km away
9. 2.695 km S of False Pass, AlaskaWed, Jul 19, 5:00 PM AKDT · 1167 days ago · 49 km deep · 27 km away
10. 3.386 km S of False Pass, AlaskaThu, Jul 20, 4:13 AM AKDT · 1166 days ago · 35 km deep · 28 km away
11. 2.571 km SSW of False Pass, AlaskaThu, Jul 20, 8:27 AM AKDT · 1166 days ago · 80 km deep · 59 km away
12. 2.084 km SE of Akutan, AlaskaThu, Jul 20, 10:38 AM AKDT · 1166 days ago · 26 km deep · 92 km away
13. 1.991 km E of Akutan, AlaskaThu, Jul 20, 11:02 AM AKDT · 1166 days ago · 31 km deep · 57 km away
14. 2.1112 km S of False Pass, AlaskaThu, Jul 20, 11:48 AM AKDT · 1166 days ago · 26 km deep · 6 km away
15. 2.1138 km ESE of Akutan, AlaskaThu, Jul 20, 5:51 PM AKDT · 1166 days ago · 6 km deep · 39 km away
16. 2.1116 km S of False Pass, AlaskaFri, Jul 21, 4:17 AM AKDT · 1165 days ago · 29 km deep · 5 km away
17. 1.987 km SE of Akutan, AlaskaFri, Jul 21, 6:57 AM AKDT · 1165 days ago · 26 km deep · 78 km away
18. 3.2101 km SSW of False Pass, AlaskaFri, Jul 21, 5:25 PM AKDT · 1165 days ago · 35 km deep · 32 km away
19. 1.9Unimak Island region, AlaskaFri, Jul 21, 5:31 PM AKDT · 1165 days ago · 84 km deep · 73 km away
20. 2.7171 km S of False Pass, AlaskaFri, Jul 21, 9:12 PM AKDT · 1165 days ago · 26 km deep · 59 km away
21. 1.983 km S of King Cove, AlaskaFri, Jul 21, 11:21 PM AKDT · 1164 days ago · 7 km deep · 90 km away
22. 2.036 km SSW of False Pass, AlaskaSat, Jul 22, 4:07 AM AKDT · 1164 days ago · 75 km deep · 78 km away
23. 2.793 km ESE of Akutan, AlaskaSat, Jul 22, 9:59 PM AKDT · 1164 days ago · 35 km deep · 65 km away
24. 2.8118 km ESE of Akutan, AlaskaSun, Jul 23, 11:21 AM AKDT · 1163 days ago · 34 km deep · 34 km away
25. 1.826 km SSE of False Pass, AlaskaSun, Jul 23, 9:34 PM AKDT · 1163 days ago · 12 km deep · 89 km away
26. 1.985 km S of False Pass, AlaskaMon, Jul 24, 6:28 AM AKDT · 1162 days ago · 20 km deep · 28 km away
27. 1.951 km S of False Pass, AlaskaMon, Jul 24, 7:31 AM AKDT · 1162 days ago · 13 km deep · 63 km away
28. 1.881 km SE of Akutan, AlaskaMon, Jul 24, 11:46 AM AKDT · 1162 days ago · 46 km deep · 87 km away
29. 2.9163 km S of False Pass, AlaskaMon, Jul 24, 11:49 AM AKDT · 1162 days ago · 35 km deep · 50 km away
30. 2.298 km S of False Pass, AlaskaTue, Jul 25, 12:25 AM AKDT · 1161 days ago · 26 km deep · 16 km away
31. 2.084 km ENE of Akutan, AlaskaTue, Jul 25, 11:12 AM AKDT · 1161 days ago · 73 km deep · 83 km away
32. 2.2156 km S of False Pass, AlaskaTue, Jul 25, 10:23 PM AKDT · 1161 days ago · 26 km deep · 43 km away
33. 3.6115 km SSW of False Pass, AlaskaWed, Jul 26, 6:03 AM AKDT · 1160 days ago · 35 km deep · 25 km away
34. 2.5139 km SSE of False Pass, AlaskaWed, Jul 26, 10:04 PM AKDT · 1160 days ago · 29 km deep · 47 km away
35. 3.3124 km SSE of False Pass, AlaskaThu, Jul 27, 1:53 AM AKDT · 1159 days ago · 32 km deep · 65 km away
36. 1.821 km SSW of False Pass, AlaskaFri, Jul 28, 2:04 AM AKDT · 1158 days ago · 13 km deep · 93 km away
37. 1.979 km ESE of Akutan, AlaskaFri, Jul 28, 5:41 AM AKDT · 1158 days ago · 31 km deep · 68 km away
38. 2.685 km SE of False Pass, AlaskaFri, Jul 28, 9:43 PM AKDT · 1158 days ago · 18 km deep · 76 km away
39. 1.992 km SE of Akutan, AlaskaFri, Jul 28, 11:57 PM AKDT · 1157 days ago · 26 km deep · 87 km away
40. 1.987 km SW of False Pass, AlaskaSat, Jul 29, 4:24 PM AKDT · 1157 days ago · 77 km deep · 63 km away
41. 1.844 km SE of False Pass, AlaskaSun, Jul 30, 9:41 AM AKDT · 1156 days ago · 67 km deep · 94 km away
42. 2.1131 km S of False Pass, AlaskaSun, Jul 30, 1:10 PM AKDT · 1156 days ago · 26 km deep · 20 km away
43. 1.899 km S of False Pass, AlaskaMon, Jul 31, 9:42 AM AKDT · 1155 days ago · 26 km deep · 16 km away
44. 1.995 km SSW of False Pass, AlaskaTue, Aug 1, 7:10 AM AKDT · 1154 days ago · 26 km deep · 29 km away
45. 4.5139 km SE of Akutan, AlaskaTue, Aug 1, 11:40 AM AKDT · 1154 days ago · 7 km deep · 67 km away
46. 2.8137 km SE of Akutan, AlaskaTue, Aug 1, 2:54 PM AKDT · 1154 days ago · 35 km deep · 72 km away
47. 2.7136 km SE of Akutan, AlaskaTue, Aug 1, 4:28 PM AKDT · 1154 days ago · 35 km deep · 68 km away
48. 2.6140 km SE of Akutan, AlaskaTue, Aug 1, 4:40 PM AKDT · 1154 days ago · 19 km deep · 73 km away
49. 3.0134 km SE of Akutan, AlaskaTue, Aug 1, 6:19 PM AKDT · 1154 days ago · 35 km deep · 67 km away
50. 2.1109 km ESE of Akutan, AlaskaTue, Aug 1, 7:00 PM AKDT · 1154 days ago · 38 km deep · 55 km away
51. 2.193 km SE of Akutan, AlaskaWed, Aug 2, 9:41 AM AKDT · 1153 days ago · 19 km deep · 74 km away
52. 2.597 km S of False Pass, AlaskaWed, Aug 2, 8:46 PM AKDT · 1153 days ago · 35 km deep · 17 km away
53. 2.763 km S of False Pass, AlaskaThu, Aug 3, 6:08 AM AKDT · 1152 days ago · 72 km deep · 51 km away
54. 1.995 km SSW of False Pass, AlaskaThu, Aug 3, 8:42 AM AKDT · 1152 days ago · 20 km deep · 43 km away
55. 1.933 km S of False Pass, AlaskaSat, Aug 5, 5:42 PM AKDT · 1150 days ago · 70 km deep · 80 km away
56. 2.1108 km S of False Pass, AlaskaSun, Aug 6, 6:17 PM AKDT · 1149 days ago · 25 km deep · 25 km away
57. 2.194 km S of False Pass, AlaskaSun, Aug 6, 8:08 PM AKDT · 1149 days ago · 18 km deep · 36 km away
58. 2.0114 km S of False Pass, AlaskaSun, Aug 6, 11:01 PM AKDT · 1149 days ago · 25 km deep · 5 km away
59. 2.0111 km SSW of False Pass, AlaskaMon, Aug 7, 4:28 AM AKDT · 1148 days ago · 26 km deep · 26 km away
60. 1.981 km S of King Cove, AlaskaMon, Aug 7, 6:25 AM AKDT · 1148 days ago · 19 km deep · 97 km away

The first 60 of 153.

Before

1. 2.676 km SE of False Pass, AlaskaMon, Jul 17, 3:06 AM AKDT · 1169 days ago · 35 km deep · 79 km away
2. 2.6156 km S of False Pass, AlaskaSun, Jul 16, 8:47 PM AKDT · 1170 days ago · 5 km deep · 43 km away
3. 3.491 km ESE of Akutan, AlaskaSun, Jul 16, 10:21 AM AKDT · 1170 days ago · 31 km deep · 70 km away
4. 2.5138 km SE of Akutan, AlaskaSun, Jul 16, 9:55 AM AKDT · 1170 days ago · 27 km deep · 68 km away
5. 2.6Alaska PeninsulaSat, Jul 15, 1:27 AM AKDT · 1171 days ago · 35 km deep · 80 km away
6. 1.895 km SE of Akutan, AlaskaFri, Jul 14, 11:38 AM AKDT · 1172 days ago · 19 km deep · 73 km away
7. 2.792 km SSE of False Pass, AlaskaThu, Jul 13, 11:37 PM AKDT · 1172 days ago · 27 km deep · 39 km away
8. 2.693 km S of False Pass, AlaskaThu, Jul 13, 11:37 PM AKDT · 1172 days ago · 20 km deep · 32 km away
9. 2.299 km S of King Cove, AlaskaThu, Jul 13, 9:23 AM AKDT · 1173 days ago · 26 km deep · 88 km away
10. 2.973 km SE of False Pass, AlaskaTue, Jul 11, 6:38 PM AKDT · 1175 days ago · 35 km deep · 78 km away
11. 2.7103 km ESE of Akutan, AlaskaTue, Jul 11, 4:22 PM AKDT · 1175 days ago · 48 km deep · 47 km away
12. 2.531 km SSW of False Pass, AlaskaTue, Jul 11, 11:40 AM AKDT · 1175 days ago · 84 km deep · 83 km away
13. 2.295 km SSW of False Pass, AlaskaSun, Jul 9, 8:20 PM AKDT · 1177 days ago · 46 km deep · 24 km away
14. 2.697 km SE of Akutan, AlaskaSun, Jul 9, 2:39 PM AKDT · 1177 days ago · 35 km deep · 95 km away
15. 3.3112 km ESE of Akutan, AlaskaSun, Jul 9, 12:45 AM AKDT · 1177 days ago · 35 km deep · 41 km away
16. 2.991 km SE of Akutan, AlaskaSat, Jul 8, 11:38 AM AKDT · 1178 days ago · 35 km deep · 84 km away
17. 2.9Unimak Island region, AlaskaSat, Jul 8, 10:40 AM AKDT · 1178 days ago · 108 km deep · 86 km away
18. 2.7139 km SE of Akutan, AlaskaFri, Jul 7, 4:34 AM AKDT · 1179 days ago · 35 km deep · 97 km away
19. 2.674 km S of False Pass, AlaskaThu, Jul 6, 5:59 PM AKDT · 1180 days ago · 35 km deep · 45 km away
20. 2.189 km S of False Pass, AlaskaThu, Jul 6, 12:47 PM AKDT · 1180 days ago · 21 km deep · 26 km away

From the USGS Earthquake Hazards Program and its partner networks, event us7000kgh1 (also filed as at00rxynqf, ak02393t9hal). Read Mon, Sep 28, 2026, 6:49 PM UTC.