M1.8 earthquake 45 km SW of Unalaska, Alaska

Magnitude

1.8 (ml), micro

Local time

Sat, Nov 13, 2021, 5:59 AM AKST

UTC

2021-11-13 14:59:07 UTC

Depth

9.7 km (6.0 mi), shallow

Epicenter

53.579° N, 167.006° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.3 km horizontally, 0.8 km in depth

Magnitude uncertainty

±0.22

Depth from

From location

Station coverage gap

201°, poorly surrounded by stations

Stations used

11

• Unalaska, AlaskaPopulation 4,491. Forecast45 kmSW

After

1. 2.675 km SSW of Unalaska, AlaskaSat, Nov 13, 7:36 AM AKST · 1775 days ago · 41 km deep · 45 km away
2. 1.5100 km SSW of Unalaska, AlaskaSat, Nov 13, 3:54 PM AKST · 1774 days ago · 13 km deep · 63 km away
3. 3.539 km SSE of Unalaska, AlaskaSat, Nov 13, 4:50 PM AKST · 1774 days ago · 65 km deep · 51 km away
4. 1.629 km S of Unalaska, AlaskaMon, Nov 15, 1:36 AM AKST · 1773 days ago · 13 km deep · 35 km away
5. 1.854 km E of Nikolski, AlaskaMon, Nov 15, 6:12 PM AKST · 1772 days ago · 74 km deep · 97 km away
6. 2.290 km SW of Unalaska, AlaskaTue, Nov 16, 11:51 AM AKST · 1771 days ago · 53 km deep · 46 km away
7. 1.965 km S of Unalaska, AlaskaTue, Nov 16, 11:39 PM AKST · 1771 days ago · 71 km deep · 43 km away
8. 1.791 km SSW of Unalaska, AlaskaThu, Nov 18, 4:19 AM AKST · 1770 days ago · 26 km deep · 54 km away
9. 1.824 km S of Unalaska, AlaskaThu, Nov 18, 11:25 AM AKST · 1769 days ago · 25 km deep · 35 km away
10. 2.390 km SE of Unalaska, AlaskaFri, Nov 19, 10:08 PM AKST · 1768 days ago · 46 km deep · 96 km away
11. 1.892 km SSW of Unalaska, AlaskaSat, Nov 20, 3:22 AM AKST · 1768 days ago · 46 km deep · 49 km away
12. 2.739 km SSW of Akutan, AlaskaSat, Nov 20, 5:27 PM AKST · 1767 days ago · 76 km deep · 74 km away
13. 2.051 km S of Akutan, AlaskaSun, Nov 21, 2:47 AM AKST · 1767 days ago · 32 km deep · 78 km away
14. 2.172 km E of Nikolski, AlaskaSun, Nov 21, 3:56 PM AKST · 1766 days ago · 35 km deep · 89 km away
15. 3.446 km SSE of Akutan, AlaskaSun, Nov 21, 11:57 PM AKST · 1766 days ago · 101 km deep · 97 km away
16. 2.035 km ESE of Unalaska, AlaskaMon, Nov 22, 7:15 AM AKST · 1766 days ago · 71 km deep · 68 km away
17. 2.983 km SSW of Unalaska, AlaskaTue, Nov 23, 1:42 AM AKST · 1765 days ago · 35 km deep · 40 km away
18. 1.641 km SW of Unalaska, AlaskaWed, Nov 24, 12:46 AM AKST · 1764 days ago · 68 km deep · 8 km away
19. 2.060 km S of Akutan, AlaskaThu, Nov 25, 5:29 AM AKST · 1763 days ago · 47 km deep · 91 km away
20. 2.270 km SSE of Unalaska, AlaskaThu, Nov 25, 2:20 PM AKST · 1762 days ago · 37 km deep · 63 km away
21. 1.656 km SW of Unalaska, AlaskaThu, Nov 25, 4:49 PM AKST · 1762 days ago · 71 km deep · 12 km away
22. 2.988 km S of Unalaska, AlaskaSat, Nov 27, 10:47 PM AKST · 1760 days ago · 61 km deep · 66 km away
23. 1.958 km S of Akutan, AlaskaSun, Nov 28, 10:55 AM AKST · 1759 days ago · 55 km deep · 88 km away
24. 2.197 km E of Nikolski, AlaskaMon, Nov 29, 5:06 AM AKST · 1759 days ago · 26 km deep · 74 km away
25. 2.2103 km E of Nikolski, AlaskaMon, Nov 29, 6:23 PM AKST · 1758 days ago · 26 km deep · 78 km away
26. 1.985 km ENE of Nikolski, AlaskaTue, Nov 30, 1:50 AM AKST · 1758 days ago · 53 km deep · 63 km away
27. 1.776 km SW of Unalaska, AlaskaWed, Dec 1, 4:07 AM AKST · 1757 days ago · 11 km deep · 31 km away
28. 1.673 km S of Akutan, AlaskaWed, Dec 1, 10:06 PM AKST · 1756 days ago · 17 km deep · 92 km away
29. 2.7107 km E of Nikolski, AlaskaThu, Dec 2, 2:05 PM AKST · 1755 days ago · 35 km deep · 81 km away
30. 1.987 km ENE of Nikolski, AlaskaSat, Dec 4, 4:19 AM AKST · 1754 days ago · 56 km deep · 60 km away
31. 1.654 km SW of Unalaska, AlaskaSat, Dec 4, 9:04 PM AKST · 1753 days ago · 13 km deep · 10 km away
32. 2.066 km SE of Unalaska, AlaskaSun, Dec 5, 8:38 PM AKST · 1752 days ago · 39 km deep · 83 km away
33. 3.563 km NNW of Dutch Harbor, AlaskaWed, Dec 8, 2:02 PM AKST · 1749 days ago · 183 km deep · 98 km away
34. 1.877 km SE of Unalaska, AlaskaWed, Dec 8, 4:23 PM AKST · 1749 days ago · 20 km deep · 86 km away
35. 2.268 km SE of Unalaska, AlaskaSat, Dec 11, 1:33 PM AKST · 1746 days ago · 29 km deep · 77 km away
36. 2.019 km WSW of Akutan, AlaskaSun, Dec 12, 9:37 PM AKST · 1745 days ago · 90 km deep · 82 km away
37. 2.173 km SE of Unalaska, AlaskaMon, Dec 13, 2:07 PM AKST · 1744 days ago · 21 km deep · 89 km away
38. 1.964 km SW of Unalaska, AlaskaMon, Dec 13, 5:06 PM AKST · 1744 days ago · 75 km deep · 20 km away
39. 1.8117 km SSW of Unalaska, AlaskaTue, Dec 14, 9:26 AM AKST · 1743 days ago · 17 km deep · 83 km away
40. 3.2116 km S of Unalaska, AlaskaThu, Dec 16, 1:40 AM AKST · 1742 days ago · 2 km deep · 85 km away
41. 1.874 km E of Nikolski, AlaskaSat, Dec 18, 12:45 AM AKST · 1740 days ago · 40 km deep · 82 km away
42. 1.641 km ESE of Unalaska, AlaskaSun, Dec 19, 4:32 PM AKST · 1738 days ago · 28 km deep · 74 km away
43. 1.748 km SSW of Unalaska, AlaskaSun, Dec 19, 5:15 PM AKST · 1738 days ago · 65 km deep · 11 km away
44. 1.845 km ESE of Unalaska, AlaskaSun, Dec 19, 9:08 PM AKST · 1738 days ago · 66 km deep · 74 km away
45. 2.240 km SE of Unalaska, AlaskaMon, Dec 20, 11:40 AM AKST · 1737 days ago · 63 km deep · 60 km away
46. 2.158 km SE of Unalaska, AlaskaTue, Dec 21, 12:50 AM AKST · 1737 days ago · 33 km deep · 74 km away
47. 1.516 km WSW of Akutan, AlaskaTue, Dec 21, 6:13 PM AKST · 1736 days ago · 16 km deep · 86 km away
48. 1.934 km SSE of Akutan, AlaskaWed, Dec 22, 1:10 PM AKST · 1735 days ago · 59 km deep · 96 km away
49. 1.783 km WSW of Unalaska, AlaskaThu, Dec 23, 7:25 AM AKST · 1735 days ago · 7 km deep · 44 km away
50. 2.1109 km E of Nikolski, AlaskaSat, Dec 25, 5:06 AM AKST · 1733 days ago · 17 km deep · 75 km away
51. 2.532 km SSW of Unalaska, AlaskaSat, Dec 25, 9:20 PM AKST · 1732 days ago · 78 km deep · 15 km away
52. 1.774 km SE of Unalaska, AlaskaMon, Dec 27, 5:32 PM AKST · 1730 days ago · 13 km deep · 90 km away
53. 1.991 km E of Nikolski, AlaskaMon, Dec 27, 8:15 PM AKST · 1730 days ago · 25 km deep · 73 km away
54. 1.9113 km S of Unalaska, AlaskaTue, Dec 28, 5:45 PM AKST · 1729 days ago · 3 km deep · 80 km away
55. 2.285 km SSW of Unalaska, AlaskaFri, Dec 31, 8:21 PM AKST · 1726 days ago · 17 km deep · 49 km away
56. 1.755 km SW of Unalaska, AlaskaSat, Jan 1, 12:48 PM AKST · 1725 days ago · 13 km deep · 11 km away
57. 2.966 km SSW of Unalaska, AlaskaSat, Jan 1, 8:03 PM AKST · 1725 days ago · 4 km deep · 25 km away
58. 1.875 km S of Unalaska, AlaskaSat, Jan 1, 8:23 PM AKST · 1725 days ago · 26 km deep · 58 km away
59. 1.642 km SW of Unalaska, AlaskaSun, Jan 2, 2:10 AM AKST · 1725 days ago · 15 km deep · 6 km away
60. 1.9Fox Islands, Aleutian Islands, AlaskaSun, Jan 2, 3:14 AM AKST · 1725 days ago · 51 km deep · 48 km away

The first 60 of 87.

Before

1. 1.554 km SE of Unalaska, AlaskaWed, Nov 10, 4:24 PM AKST · 1777 days ago · 55 km deep · 76 km away
2. 1.894 km SSW of Unalaska, AlaskaTue, Nov 9, 8:36 AM AKST · 1779 days ago · 26 km deep · 56 km away
3. 3.986 km SSW of Unalaska, AlaskaTue, Nov 9, 4:07 AM AKST · 1779 days ago · 42 km deep · 46 km away
4. 1.519 km ESE of Unalaska, AlaskaMon, Nov 8, 2:23 PM AKST · 1779 days ago · 79 km deep · 53 km away
5. 1.623 km S of Unalaska, AlaskaSun, Nov 7, 8:31 PM AKST · 1780 days ago · 71 km deep · 36 km away
6. 1.623 km S of Unalaska, AlaskaSun, Nov 7, 8:31 PM AKST · 1780 days ago · 71 km deep · 36 km away
7. 2.182 km S of Unalaska, AlaskaSun, Nov 7, 4:59 AM AKST · 1781 days ago · 26 km deep · 55 km away
8. 3.282 km S of Unalaska, AlaskaSun, Nov 7, 3:34 AM AKST · 1781 days ago · 27 km deep · 54 km away
9. 1.5105 km E of Nikolski, AlaskaSun, Nov 7, 1:26 AM AKST · 1781 days ago · 7 km deep · 66 km away
10. 1.5103 km E of Nikolski, AlaskaSun, Nov 7, 1:37 AM AKDT · 1781 days ago · 26 km deep · 72 km away
11. 1.681 km SW of Unalaska, AlaskaSat, Nov 6, 3:37 PM AKDT · 1781 days ago · 13 km deep · 37 km away
12. 2.298 km S of Unalaska, AlaskaFri, Nov 5, 4:43 PM AKDT · 1782 days ago · 26 km deep · 76 km away
13. 1.768 km SE of Unalaska, AlaskaFri, Nov 5, 3:24 AM AKDT · 1783 days ago · 22 km deep · 82 km away
14. 1.847 km ESE of Unalaska, AlaskaThu, Nov 4, 3:00 PM AKDT · 1783 days ago · 23 km deep · 75 km away
15. 1.917 km W of Akutan, AlaskaThu, Nov 4, 3:04 AM AKDT · 1784 days ago · 17 km deep · 87 km away
16. 2.759 km SSW of Unalaska, AlaskaThu, Nov 4, 3:02 AM AKDT · 1784 days ago · 29 km deep · 22 km away
17. 1.964 km SSE of Unalaska, AlaskaTue, Nov 2, 3:10 PM AKDT · 1785 days ago · 35 km deep · 55 km away
18. 1.849 km SSE of Unalaska, AlaskaMon, Nov 1, 11:03 PM AKDT · 1786 days ago · 48 km deep · 54 km away
19. 1.774 km SSW of Unalaska, AlaskaMon, Nov 1, 10:31 PM AKDT · 1786 days ago · 42 km deep · 43 km away
20. 2.686 km ENE of Nikolski, AlaskaMon, Nov 1, 2:14 PM AKDT · 1786 days ago · 64 km deep · 60 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91417911. Read Wed, Sep 23, 2026, 5:37 AM UTC.