M3.0 earthquake 169 km ESE of Chignik, Alaska

Magnitude

3.0 (ml), minor

Local time

Tue, Aug 31, 2021, 2:05 AM AKDT

UTC

2021-08-31 10:05:09 UTC

Depth

18.0 km (11.2 mi), shallow

Epicenter

55.582° N, 156.009° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 5.4 km horizontally, 7.4 km in depth

Magnitude uncertainty

±0.05

Depth from

From location

Station coverage gap

206°, poorly surrounded by stations

Stations used

29

• Sand Point, AlaskaPopulation 1,064. Forecast284 kmE

After

1. 2.7146 km SE of Chignik, AlaskaTue, Aug 31, 9:14 PM AKDT · 1848 days ago · 10 km deep · 47 km away
2. 2.8137 km SSE of Chignik, AlaskaTue, Aug 31, 10:54 PM AKDT · 1848 days ago · 33 km deep · 93 km away
3. 2.6136 km SE of Chignik, AlaskaWed, Sep 1, 7:31 PM AKDT · 1847 days ago · 16 km deep · 48 km away
4. 2.0122 km SE of Chignik, AlaskaThu, Sep 2, 1:47 AM AKDT · 1847 days ago · 27 km deep · 56 km away
5. 2.5161 km SE of Chignik, AlaskaThu, Sep 2, 11:47 PM AKDT · 1846 days ago · 18 km deep · 66 km away
6. 3.3158 km SE of Chignik, AlaskaFri, Sep 3, 7:54 AM AKDT · 1846 days ago · 39 km deep · 35 km away
7. 1.8157 km SSW of Akhiok, AlaskaFri, Sep 3, 11:45 AM AKDT · 1845 days ago · 10 km deep · 34 km away
8. 2.2119 km ESE of Chignik, AlaskaFri, Sep 3, 4:10 PM AKDT · 1845 days ago · 20 km deep · 60 km away
9. 2.6153 km SSE of Chignik, AlaskaFri, Sep 3, 5:23 PM AKDT · 1845 days ago · 22 km deep · 85 km away
10. 3.3164 km SE of Chignik, AlaskaSat, Sep 4, 6:23 AM AKDT · 1845 days ago · 6 km deep · 64 km away
11. 2.9118 km SSE of Chignik, AlaskaSat, Sep 4, 8:01 AM AKDT · 1845 days ago · 11 km deep · 93 km away
12. 2.9185 km SSW of Akhiok, AlaskaSat, Sep 4, 4:34 PM AKDT · 1844 days ago · 11 km deep · 46 km away
13. 2.2118 km ESE of Chignik, AlaskaSun, Sep 5, 5:38 PM AKDT · 1843 days ago · 8 km deep · 65 km away
14. 2.8199 km SE of Chignik, AlaskaSun, Sep 5, 7:50 PM AKDT · 1843 days ago · 12 km deep · 56 km away
15. 3.0242 km SE of Chignik, AlaskaSun, Sep 5, 11:44 PM AKDT · 1843 days ago · 11 km deep · 99 km away
16. 2.5115 km SSE of Chignik, AlaskaMon, Sep 6, 6:21 AM AKDT · 1843 days ago · 10 km deep · 89 km away
17. 3.1139 km SE of Chignik, AlaskaTue, Sep 7, 7:19 AM AKDT · 1842 days ago · 19 km deep · 79 km away · felt by 1
18. 2.6177 km SSW of Akhiok, AlaskaTue, Sep 7, 9:37 AM AKDT · 1841 days ago · 10 km deep · 19 km away
19. 2.4205 km SE of Chignik, AlaskaTue, Sep 7, 10:59 PM AKDT · 1841 days ago · 9 km deep · 86 km away
20. 1.9165 km SE of Chignik, AlaskaWed, Sep 8, 5:56 AM AKDT · 1841 days ago · 15 km deep · 22 km away
21. 2.8110 km SE of Chignik, AlaskaWed, Sep 8, 8:17 AM AKDT · 1841 days ago · 13 km deep · 86 km away
22. 3.0190 km SE of Chignik, AlaskaWed, Sep 8, 11:35 AM AKDT · 1840 days ago · 32 km deep · 31 km away
23. 2.2161 km SW of Akhiok, AlaskaWed, Sep 8, 6:14 PM AKDT · 1840 days ago · 1 km deep · 29 km away
24. 2.9167 km SW of Akhiok, AlaskaThu, Sep 9, 3:50 AM AKDT · 1840 days ago · 5 km deep · 23 km away
25. 2.6137 km SE of Chignik, AlaskaFri, Sep 10, 3:42 AM AKDT · 1839 days ago · 21 km deep · 71 km away
26. 2.275 km ESE of Chignik, AlaskaFri, Sep 10, 3:57 PM AKDT · 1838 days ago · 19 km deep · 94 km away
27. 2.3167 km SW of Akhiok, AlaskaSat, Sep 11, 4:58 PM AKDT · 1837 days ago · 27 km deep · 23 km away
28. 1.9128 km SSW of Akhiok, AlaskaSat, Sep 11, 11:07 PM AKDT · 1837 days ago · 7 km deep · 62 km away
29. 2.5147 km SW of Akhiok, AlaskaSun, Sep 12, 6:34 PM AKDT · 1836 days ago · 2 km deep · 42 km away
30. 2.8149 km SSE of Chignik, AlaskaTue, Sep 14, 4:02 PM AKDT · 1834 days ago · 12 km deep · 82 km away
31. 2.8148 km SSE of Chignik, AlaskaTue, Sep 14, 5:09 PM AKDT · 1834 days ago · 26 km deep · 84 km away
32. 3.9197 km SE of Chignik, AlaskaWed, Sep 15, 2:48 AM AKDT · 1834 days ago · 33 km deep · 70 km away
33. 5.6181 km SE of Chignik, AlaskaThu, Sep 16, 9:51 AM AKDT · 1832 days ago · 37 km deep · 65 km away · felt by 2
34. 3.2191 km SE of Chignik, AlaskaThu, Sep 16, 10:35 AM AKDT · 1832 days ago · 34 km deep · 67 km away
35. 5.1200 km SE of Chignik, AlaskaThu, Sep 16, 3:05 PM AKDT · 1832 days ago · 33 km deep · 74 km away · felt by 1 · tsunami flag
36. 2.3160 km SSW of Akhiok, AlaskaWed, Sep 22, 3:30 AM AKDT · 1827 days ago · 8 km deep · 49 km away
37. 2.0157 km SW of Akhiok, AlaskaWed, Sep 22, 8:58 AM AKDT · 1826 days ago · 3 km deep · 32 km away
38. 2.9144 km SE of Chignik, AlaskaWed, Sep 22, 10:59 PM AKDT · 1826 days ago · 6 km deep · 73 km away
39. 2.7168 km ESE of Chignik, AlaskaSun, Sep 26, 8:08 PM AKDT · 1822 days ago · 12 km deep · 1 km away
40. 3.1south of AlaskaWed, Sep 29, 7:34 AM AKDT · 1820 days ago · 8 km deep · 28 km away
41. 4.8137 km ESE of Chignik, AlaskaFri, Oct 1, 6:12 AM AKDT · 1818 days ago · 45 km deep · 40 km away · felt by 1 · tsunami flag
42. 2.4165 km SSW of Akhiok, AlaskaSun, Oct 3, 10:26 PM AKDT · 1815 days ago · 3 km deep · 53 km away
43. 2.8152 km SE of Chignik, AlaskaMon, Oct 4, 6:51 AM AKDT · 1815 days ago · 60 km deep · 58 km away
44. 1.9167 km SW of Akhiok, AlaskaMon, Oct 4, 7:47 AM AKDT · 1815 days ago · 9 km deep · 23 km away
45. 3.0119 km E of Chignik, AlaskaWed, Oct 6, 1:01 AM AKDT · 1813 days ago · 69 km deep · 93 km away
46. 2.3127 km SE of Perryville, AlaskaWed, Oct 6, 3:15 AM AKDT · 1813 days ago · 0 km deep · 99 km away
47. 2.5114 km WSW of Akhiok, AlaskaSat, Oct 9, 9:13 AM AKDT · 1809 days ago · 6 km deep · 91 km away
48. 2.4106 km E of Chignik, AlaskaSat, Oct 9, 10:52 PM AKDT · 1809 days ago · 1 km deep · 93 km away
49. 6.9112 km E of Chignik, AlaskaMon, Oct 11, 1:10 AM AKDT · 1808 days ago · 52 km deep · 87 km away · felt by 320 · tsunami flag
50. 4.2115 km E of Chignik, AlaskaMon, Oct 11, 1:15 AM AKDT · 1808 days ago · 53 km deep · 83 km away
51. 3.5113 km E of Chignik, AlaskaMon, Oct 11, 1:18 AM AKDT · 1808 days ago · 67 km deep · 78 km away
52. 2.9118 km E of Chignik, AlaskaMon, Oct 11, 1:22 AM AKDT · 1808 days ago · 65 km deep · 78 km away
53. 2.6115 km E of Chignik, AlaskaMon, Oct 11, 1:22 AM AKDT · 1808 days ago · 65 km deep · 82 km away
54. 2.9114 km E of Chignik, AlaskaMon, Oct 11, 1:24 AM AKDT · 1808 days ago · 46 km deep · 84 km away
55. 3.5116 km E of Chignik, AlaskaMon, Oct 11, 1:26 AM AKDT · 1808 days ago · 72 km deep · 87 km away
56. 3.0117 km E of Chignik, AlaskaMon, Oct 11, 1:28 AM AKDT · 1808 days ago · 59 km deep · 84 km away
57. 3.0119 km E of Chignik, AlaskaMon, Oct 11, 1:30 AM AKDT · 1808 days ago · 65 km deep · 72 km away
58. 3.0114 km E of Chignik, AlaskaMon, Oct 11, 1:30 AM AKDT · 1808 days ago · 65 km deep · 98 km away · felt by 1
59. 2.1115 km E of Chignik, AlaskaMon, Oct 11, 1:35 AM AKDT · 1808 days ago · 53 km deep · 96 km away
60. 2.3113 km E of Chignik, AlaskaMon, Oct 11, 1:36 AM AKDT · 1808 days ago · 53 km deep · 86 km away

The first 60 of 174.

Before

1. 1.6south of AlaskaMon, Aug 30, 1:35 AM AKDT · 1850 days ago · 2 km deep · 35 km away
2. 1.675 km ESE of Chignik, AlaskaSun, Aug 29, 10:02 PM AKDT · 1850 days ago · 12 km deep · 94 km away
3. 1.892 km E of Chignik, AlaskaSun, Aug 29, 8:15 PM AKDT · 1850 days ago · 31 km deep · 100 km away
4. 2.1144 km SE of Chignik, AlaskaSun, Aug 29, 8:55 AM AKDT · 1850 days ago · 47 km deep · 64 km away
5. 2.8190 km SSW of Akhiok, AlaskaSat, Aug 28, 10:38 PM AKDT · 1851 days ago · 17 km deep · 29 km away
6. 2.7144 km SE of Perryville, AlaskaSat, Aug 28, 4:54 PM AKDT · 1851 days ago · 34 km deep · 93 km away
7. 3.0158 km SE of Chignik, AlaskaSat, Aug 28, 11:15 AM AKDT · 1851 days ago · 40 km deep · 26 km away
8. 3.377 km ESE of Chignik, AlaskaFri, Aug 27, 3:50 PM AKDT · 1852 days ago · 10 km deep · 93 km away
9. 2.5136 km SE of Chignik, AlaskaFri, Aug 27, 3:32 AM AKDT · 1853 days ago · 15 km deep · 68 km away
10. 1.9144 km ESE of Chignik, AlaskaThu, Aug 26, 6:51 PM AKDT · 1853 days ago · 50 km deep · 25 km away
11. 2.4170 km SE of Chignik, AlaskaThu, Aug 26, 1:22 PM AKDT · 1853 days ago · 36 km deep · 24 km away
12. 2.6147 km SSE of Chignik, AlaskaThu, Aug 26, 7:05 AM AKDT · 1854 days ago · 25 km deep · 80 km away
13. 2.5155 km SE of Chignik, AlaskaWed, Aug 25, 11:13 PM AKDT · 1854 days ago · 44 km deep · 39 km away
14. 2.8163 km SE of Chignik, AlaskaTue, Aug 24, 7:50 PM AKDT · 1855 days ago · 33 km deep · 63 km away
15. 2.4131 km SE of Chignik, AlaskaTue, Aug 24, 5:51 AM AKDT · 1856 days ago · 34 km deep · 74 km away
16. 2.4147 km SE of Chignik, AlaskaTue, Aug 24, 3:00 AM AKDT · 1856 days ago · 36 km deep · 47 km away
17. 2.6158 km SSW of Akhiok, AlaskaTue, Aug 24, 2:49 AM AKDT · 1856 days ago · 41 km deep · 47 km away
18. 2.6166 km ESE of Chignik, AlaskaMon, Aug 23, 5:41 PM AKDT · 1856 days ago · 16 km deep · 7 km away
19. 2.4156 km SSE of Chignik, AlaskaSun, Aug 22, 2:48 PM AKDT · 1857 days ago · 30 km deep · 88 km away
20. 2.4162 km SW of Akhiok, AlaskaSun, Aug 22, 3:42 AM AKDT · 1858 days ago · 46 km deep · 28 km away

From the USGS Earthquake Hazards Program and its partner networks, event us7000f65r. Read Wed, Sep 23, 2026, 3:49 AM UTC.