M3.3 earthquake 189 km SE of Perryville, Alaska

Magnitude

3.3 (ml), minor

Local time

Sat, Oct 9, 2021, 4:17 PM AKDT

UTC

2021-10-10 00:17:49 UTC

Depth

10.0 km (6.2 mi), shallow

Epicenter

54.557° N, 157.336° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 6.3 km horizontally, 2.0 km in depth

Magnitude uncertainty

±0.09

Depth from

Operator assigned

Station coverage gap

224°, poorly surrounded by stations

Stations used

24

• Sand Point, AlaskaPopulation 1,064. Forecast220 kmESE

After

1. 3.9201 km SE of Chignik, AlaskaWed, Oct 13, 3:34 AM AKDT · 1806 days ago · 4 km deep · 81 km away · felt by 1
2. 4.0140 km SSE of Chignik, AlaskaThu, Oct 14, 6:50 PM AKDT · 1805 days ago · 39 km deep · 74 km away
3. 3.4275 km SE of Perryville, AlaskaFri, Oct 15, 11:36 PM AKDT · 1804 days ago · 10 km deep · 91 km away
4. 2.6106 km SSE of Perryville, AlaskaSun, Oct 17, 5:24 AM AKDT · 1802 days ago · 34 km deep · 98 km away
5. 4.2137 km SE of Perryville, AlaskaSun, Oct 17, 11:27 AM AKDT · 1802 days ago · 34 km deep · 57 km away
6. 3.0126 km SE of Perryville, AlaskaSun, Oct 17, 11:32 AM AKDT · 1802 days ago · 27 km deep · 70 km away
7. 2.4120 km SSE of Chignik, AlaskaTue, Oct 19, 2:18 PM AKDT · 1800 days ago · 42 km deep · 89 km away
8. 2.5Alaska PeninsulaThu, Oct 21, 6:11 AM AKDT · 1798 days ago · 38 km deep · 90 km away
9. 2.4120 km SSE of Perryville, AlaskaMon, Oct 25, 8:19 AM AKDT · 1794 days ago · 40 km deep · 76 km away
10. 2.6131 km SSE of Chignik, AlaskaWed, Oct 27, 12:12 AM AKDT · 1793 days ago · 1 km deep · 83 km away
11. 3.1137 km SSE of Perryville, AlaskaThu, Oct 28, 4:23 AM AKDT · 1791 days ago · 20 km deep · 67 km away
12. 5.6115 km SSE of Perryville, AlaskaSun, Oct 31, 8:37 AM AKDT · 1788 days ago · 25 km deep · 97 km away · felt by 5 · tsunami flag
13. 3.0130 km SSE of Perryville, AlaskaSun, Oct 31, 9:38 AM AKDT · 1788 days ago · 10 km deep · 81 km away
14. 3.0203 km SE of Chignik, AlaskaMon, Nov 1, 6:58 AM AKDT · 1787 days ago · 9 km deep · 74 km away
15. 3.8213 km SE of Perryville, AlaskaThu, Nov 4, 11:17 AM AKDT · 1784 days ago · 25 km deep · 35 km away
16. 3.4212 km SE of Perryville, AlaskaThu, Nov 4, 3:39 PM AKDT · 1784 days ago · 5 km deep · 36 km away
17. 2.6144 km SE of Perryville, AlaskaThu, Nov 4, 11:02 PM AKDT · 1784 days ago · 5 km deep · 67 km away
18. 2.9221 km SE of Perryville, AlaskaThu, Nov 4, 11:27 PM AKDT · 1784 days ago · 10 km deep · 39 km away
19. 2.4117 km SSE of Perryville, AlaskaSat, Nov 6, 3:55 PM AKDT · 1782 days ago · 20 km deep · 94 km away
20. 3.2150 km SSE of Perryville, AlaskaMon, Nov 8, 4:22 AM AKST · 1780 days ago · 25 km deep · 40 km away
21. 2.3129 km SE of Perryville, AlaskaMon, Nov 8, 8:47 PM AKST · 1780 days ago · 62 km deep · 73 km away
22. 2.394 km SSE of Perryville, AlaskaWed, Nov 10, 11:06 AM AKST · 1778 days ago · 17 km deep · 99 km away
23. 2.9106 km ESE of Perryville, AlaskaWed, Nov 10, 7:51 PM AKST · 1778 days ago · 26 km deep · 98 km away
24. 2.7134 km SE of Chignik, AlaskaThu, Nov 11, 1:20 AM AKST · 1778 days ago · 33 km deep · 97 km away
25. 3.0Alaska PeninsulaFri, Nov 12, 6:51 PM AKST · 1776 days ago · 21 km deep · 71 km away
26. 2.5153 km SSE of Chignik, AlaskaMon, Nov 15, 2:02 PM AKST · 1773 days ago · 13 km deep · 62 km away
27. 2.5156 km SE of Chignik, AlaskaMon, Nov 15, 2:25 PM AKST · 1773 days ago · 25 km deep · 79 km away
28. 2.8171 km SE of Perryville, AlaskaWed, Nov 17, 5:53 PM AKST · 1771 days ago · 29 km deep · 36 km away
29. 3.2204 km SE of Perryville, AlaskaWed, Nov 17, 7:44 PM AKST · 1771 days ago · 3 km deep · 38 km away
30. 2.4156 km SSE of Perryville, AlaskaWed, Nov 17, 9:50 PM AKST · 1771 days ago · 4 km deep · 45 km away
31. 2.5151 km SE of Chignik, AlaskaSat, Nov 20, 9:33 PM AKST · 1768 days ago · 22 km deep · 80 km away
32. 2.7151 km SE of Perryville, AlaskaSun, Nov 21, 8:57 AM AKST · 1767 days ago · 14 km deep · 49 km away
33. 2.9147 km SE of Perryville, AlaskaSun, Nov 21, 9:34 AM AKST · 1767 days ago · 16 km deep · 47 km away
34. 3.3193 km SE of Perryville, AlaskaTue, Nov 23, 2:14 AM AKST · 1765 days ago · 33 km deep · 35 km away
35. 3.3197 km SE of Perryville, AlaskaTue, Nov 23, 2:23 AM AKST · 1765 days ago · 25 km deep · 29 km away
36. 2.6142 km SE of Perryville, AlaskaWed, Nov 24, 8:51 PM AKST · 1764 days ago · 12 km deep · 49 km away
37. 3.0195 km SE of Perryville, AlaskaThu, Nov 25, 8:07 PM AKST · 1763 days ago · 25 km deep · 32 km away
38. 2.3115 km SE of Perryville, AlaskaFri, Nov 26, 6:20 AM AKST · 1762 days ago · 25 km deep · 79 km away
39. 2.7218 km SE of Perryville, AlaskaSat, Nov 27, 10:51 PM AKST · 1761 days ago · 33 km deep · 38 km away
40. 3.8141 km SE of Perryville, AlaskaWed, Dec 1, 2:55 PM AKST · 1757 days ago · 12 km deep · 52 km away
41. 3.7133 km SE of Perryville, AlaskaSun, Dec 5, 11:15 PM AKST · 1753 days ago · 46 km deep · 58 km away

Before

1. 2.3127 km SE of Perryville, AlaskaWed, Oct 6, 3:15 AM AKDT · 1813 days ago · 0 km deep · 80 km away
2. 2.5208 km SE of Perryville, AlaskaTue, Oct 5, 7:14 PM AKDT · 1814 days ago · 35 km deep · 41 km away
3. 2.8152 km SE of Chignik, AlaskaMon, Oct 4, 6:51 AM AKDT · 1815 days ago · 60 km deep · 89 km away
4. 3.3205 km SE of Perryville, AlaskaWed, Sep 29, 3:31 AM AKDT · 1820 days ago · 9 km deep · 38 km away
5. 3.0204 km SE of Perryville, AlaskaTue, Sep 28, 9:13 PM AKDT · 1821 days ago · 1 km deep · 36 km away
6. 3.0204 km SE of Perryville, AlaskaSun, Sep 26, 5:32 PM AKDT · 1823 days ago · 27 km deep · 26 km away
7. 2.890 km SE of Perryville, AlaskaSat, Sep 25, 7:22 PM AKDT · 1824 days ago · 27 km deep · 99 km away
8. 2.6262 km SE of Perryville, AlaskaSat, Sep 25, 4:18 PM AKDT · 1824 days ago · 33 km deep · 75 km away
9. 3.1194 km SE of Perryville, AlaskaFri, Sep 24, 6:00 AM AKDT · 1825 days ago · 20 km deep · 38 km away
10. 2.7144 km SE of Perryville, AlaskaThu, Sep 23, 5:20 AM AKDT · 1826 days ago · 22 km deep · 50 km away
11. 2.9144 km SE of Chignik, AlaskaWed, Sep 22, 10:59 PM AKDT · 1827 days ago · 6 km deep · 80 km away
12. 2.9114 km SSE of Perryville, AlaskaWed, Sep 22, 1:40 PM AKDT · 1827 days ago · 19 km deep · 91 km away
13. 3.0133 km SSE of Perryville, AlaskaSun, Sep 19, 2:49 PM AKDT · 1830 days ago · 19 km deep · 87 km away
14. 4.3131 km SSE of Perryville, AlaskaSun, Sep 19, 5:17 AM AKDT · 1830 days ago · 17 km deep · 84 km away
15. 5.1200 km SE of Chignik, AlaskaThu, Sep 16, 3:05 PM AKDT · 1833 days ago · 33 km deep · 79 km away · felt by 1 · tsunami flag
16. 3.2191 km SE of Chignik, AlaskaThu, Sep 16, 10:35 AM AKDT · 1833 days ago · 34 km deep · 80 km away
17. 5.6181 km SE of Chignik, AlaskaThu, Sep 16, 9:51 AM AKDT · 1833 days ago · 37 km deep · 78 km away · felt by 2
18. 3.1131 km SE of Perryville, AlaskaThu, Sep 16, 7:23 AM AKDT · 1833 days ago · 24 km deep · 58 km away
19. 3.9197 km SE of Chignik, AlaskaWed, Sep 15, 2:48 AM AKDT · 1835 days ago · 33 km deep · 81 km away
20. 2.8148 km SSE of Chignik, AlaskaTue, Sep 14, 5:09 PM AKDT · 1835 days ago · 26 km deep · 70 km away

From the USGS Earthquake Hazards Program and its partner networks, event us6000ful7. Read Wed, Sep 23, 2026, 10:34 PM UTC.