M1.5 earthquake 52 km SW of Unalaska, Alaska

Magnitude

1.5 (ml), micro

Local time

Thu, Sep 9, 2021, 7:17 AM AKDT

UTC

2021-09-09 15:17:30 UTC

Depth

14.3 km (8.9 mi), shallow

Epicenter

53.575° N, 167.158° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

16

• Unalaska, AlaskaPopulation 4,491. Forecast53 kmSW

After

1. 1.578 km SW of Unalaska, AlaskaThu, Sep 9, 8:40 AM AKDT · 1840 days ago · 31 km deep · 26 km away
2. 1.8102 km E of Nikolski, AlaskaFri, Sep 10, 12:35 AM AKDT · 1839 days ago · 25 km deep · 76 km away
3. 1.620 km WSW of Dutch Harbor, AlaskaThu, Sep 16, 2:19 PM AKDT · 1833 days ago · 7 km deep · 37 km away
4. 1.521 km WSW of Dutch Harbor, AlaskaThu, Sep 16, 2:33 PM AKDT · 1833 days ago · 7 km deep · 36 km away
5. 1.621 km WSW of Dutch Harbor, AlaskaThu, Sep 16, 2:59 PM AKDT · 1833 days ago · 7 km deep · 37 km away
6. 1.720 km WSW of Dutch Harbor, AlaskaThu, Sep 16, 3:48 PM AKDT · 1832 days ago · 6 km deep · 36 km away
7. 1.652 km SE of Unalaska, AlaskaThu, Sep 16, 11:24 PM AKDT · 1832 days ago · 25 km deep · 73 km away
8. 1.651 km SW of Unalaska, AlaskaFri, Sep 17, 4:29 AM AKDT · 1832 days ago · 15 km deep · 2 km away
9. 1.981 km SSE of Unalaska, AlaskaFri, Sep 17, 9:22 AM AKDT · 1832 days ago · 25 km deep · 86 km away
10. 3.457 km SSE of Unalaska, AlaskaWed, Sep 22, 1:04 AM AKDT · 1827 days ago · 43 km deep · 74 km away
11. 2.098 km E of Nikolski, AlaskaWed, Sep 22, 7:22 AM AKDT · 1827 days ago · 26 km deep · 78 km away
12. 2.684 km S of Unalaska, AlaskaThu, Sep 23, 5:59 AM AKDT · 1826 days ago · 35 km deep · 56 km away
13. 1.818 km WSW of Dutch Harbor, AlaskaThu, Sep 23, 11:34 PM AKDT · 1825 days ago · 7 km deep · 38 km away
14. 1.820 km WSW of Dutch Harbor, AlaskaThu, Sep 23, 11:59 PM AKDT · 1825 days ago · 5 km deep · 36 km away
15. 1.720 km WSW of Dutch Harbor, AlaskaFri, Sep 24, 12:54 AM AKDT · 1825 days ago · 5 km deep · 36 km away
16. 1.670 km SE of Unalaska, AlaskaFri, Sep 24, 10:36 AM AKDT · 1825 days ago · 25 km deep · 95 km away
17. 1.6Fox Islands, Aleutian Islands, AlaskaSun, Sep 26, 7:21 AM AKDT · 1823 days ago · 23 km deep · 10 km away
18. 3.2109 km SSW of Unalaska, AlaskaMon, Sep 27, 2:29 AM AKDT · 1822 days ago · 29 km deep · 76 km away
19. 2.156 km SW of Unalaska, AlaskaMon, Sep 27, 9:13 AM AKDT · 1822 days ago · 89 km deep · 4 km away
20. 3.085 km SSW of Unalaska, AlaskaMon, Sep 27, 12:21 PM AKDT · 1822 days ago · 35 km deep · 55 km away
21. 1.668 km SE of Unalaska, AlaskaMon, Sep 27, 3:13 PM AKDT · 1822 days ago · 23 km deep · 94 km away
22. 1.9107 km E of Nikolski, AlaskaWed, Sep 29, 3:05 PM AKDT · 1820 days ago · 14 km deep · 73 km away
23. 1.759 km SE of Unalaska, AlaskaFri, Oct 1, 6:31 PM AKDT · 1817 days ago · 13 km deep · 91 km away
24. 2.054 km SSW of Unalaska, AlaskaSun, Oct 3, 10:14 PM AKDT · 1815 days ago · 71 km deep · 21 km away
25. 1.566 km SE of Unalaska, AlaskaMon, Oct 4, 8:48 AM AKDT · 1815 days ago · 24 km deep · 84 km away
26. 2.984 km E of Nikolski, AlaskaWed, Oct 6, 1:27 AM AKDT · 1813 days ago · 35 km deep · 91 km away
27. 1.651 km S of Akutan, AlaskaWed, Oct 6, 8:11 PM AKDT · 1812 days ago · 20 km deep · 93 km away
28. 1.781 km SSE of Unalaska, AlaskaWed, Oct 6, 10:00 PM AKDT · 1812 days ago · 26 km deep · 84 km away
29. 4.177 km SSW of Unalaska, AlaskaFri, Oct 8, 9:59 PM AKDT · 1810 days ago · 44 km deep · 46 km away
30. 1.966 km S of Akutan, AlaskaSat, Oct 9, 11:59 AM AKDT · 1810 days ago · 33 km deep · 97 km away
31. 2.088 km S of Unalaska, AlaskaSun, Oct 10, 9:20 PM AKDT · 1808 days ago · 41 km deep · 59 km away
32. 3.1106 km W of Dutch Harbor, AlaskaMon, Oct 11, 12:35 PM AKDT · 1808 days ago · 14 km deep · 80 km away
33. 3.091 km SW of Unalaska, AlaskaMon, Oct 11, 1:26 PM AKDT · 1808 days ago · 35 km deep · 41 km away
34. 2.150 km ENE of Nikolski, AlaskaMon, Oct 11, 6:08 PM AKDT · 1807 days ago · 65 km deep · 86 km away
35. 3.782 km E of Nikolski, AlaskaWed, Oct 13, 2:17 PM AKDT · 1806 days ago · 42 km deep · 89 km away
36. 2.010 km ENE of Unalaska, AlaskaWed, Oct 13, 4:43 PM AKDT · 1805 days ago · 92 km deep · 62 km away
37. 2.082 km SW of Unalaska, AlaskaWed, Oct 13, 5:37 PM AKDT · 1805 days ago · 73 km deep · 30 km away
38. 1.8103 km ESE of Nikolski, AlaskaWed, Oct 13, 5:39 PM AKDT · 1805 days ago · 26 km deep · 96 km away
39. 2.882 km S of Unalaska, AlaskaThu, Oct 14, 4:29 AM AKDT · 1805 days ago · 34 km deep · 55 km away
40. 3.887 km SSW of Unalaska, AlaskaThu, Oct 14, 12:19 PM AKDT · 1805 days ago · 35 km deep · 54 km away
41. 2.890 km S of Unalaska, AlaskaFri, Oct 15, 4:20 AM AKDT · 1804 days ago · 35 km deep · 61 km away
42. 3.685 km WSW of Unalaska, AlaskaSat, Oct 16, 2:26 PM AKDT · 1803 days ago · 113 km deep · 37 km away
43. 1.746 km SW of Unalaska, AlaskaTue, Oct 19, 2:32 PM AKDT · 1800 days ago · 18 km deep · 6 km away
44. 2.026 km ESE of Unalaska, AlaskaTue, Oct 19, 5:41 PM AKDT · 1799 days ago · 72 km deep · 71 km away
45. 3.686 km ENE of Nikolski, AlaskaWed, Oct 20, 9:00 AM AKDT · 1799 days ago · 76 km deep · 51 km away
46. 1.787 km SSW of Unalaska, AlaskaWed, Oct 20, 6:57 PM AKDT · 1798 days ago · 26 km deep · 51 km away
47. 3.199 km E of Nikolski, AlaskaSat, Oct 23, 5:54 PM AKDT · 1795 days ago · 35 km deep · 86 km away
48. 3.0102 km E of Nikolski, AlaskaSat, Oct 23, 6:13 PM AKDT · 1795 days ago · 35 km deep · 84 km away
49. 2.9102 km E of Nikolski, AlaskaSat, Oct 23, 6:57 PM AKDT · 1795 days ago · 35 km deep · 87 km away
50. 1.719 km WSW of Dutch Harbor, AlaskaSun, Oct 24, 9:16 PM AKDT · 1794 days ago · 6 km deep · 37 km away
51. 2.270 km SE of Unalaska, AlaskaMon, Oct 25, 1:59 AM AKDT · 1794 days ago · 23 km deep · 96 km away
52. 2.014 km WSW of Dutch Harbor, AlaskaMon, Oct 25, 2:54 AM AKDT · 1794 days ago · 7 km deep · 41 km away
53. 1.513 km WSW of Dutch Harbor, AlaskaMon, Oct 25, 3:26 PM AKDT · 1794 days ago · 10 km deep · 42 km away
54. 1.513 km WSW of Dutch Harbor, AlaskaMon, Oct 25, 3:26 PM AKDT · 1794 days ago · 10 km deep · 42 km away
55. 2.590 km S of Unalaska, AlaskaThu, Oct 28, 2:44 AM AKDT · 1791 days ago · 29 km deep · 67 km away
56. 1.614 km WSW of Dutch Harbor, AlaskaThu, Oct 28, 7:17 AM AKDT · 1791 days ago · 8 km deep · 41 km away
57. 2.615 km WSW of Unalaska, AlaskaThu, Oct 28, 7:17 AM AKDT · 1791 days ago · 13 km deep · 40 km away
58. 1.614 km WSW of Dutch Harbor, AlaskaThu, Oct 28, 7:22 AM AKDT · 1791 days ago · 9 km deep · 41 km away
59. 1.613 km WSW of Dutch Harbor, AlaskaThu, Oct 28, 7:45 AM AKDT · 1791 days ago · 8 km deep · 42 km away
60. 1.9Fox Islands, Aleutian Islands, AlaskaThu, Oct 28, 9:55 PM AKDT · 1790 days ago · 21 km deep · 48 km away

The first 60 of 86.

Before

1. 1.645 km ESE of Unalaska, AlaskaThu, Sep 9, 6:33 AM AKDT · 1840 days ago · 63 km deep · 84 km away
2. 1.6124 km S of Unalaska, AlaskaMon, Sep 6, 2:37 PM AKDT · 1843 days ago · 2 km deep · 94 km away
3. 2.184 km S of Unalaska, AlaskaSun, Sep 5, 9:18 PM AKDT · 1843 days ago · 26 km deep · 55 km away
4. 3.6127 km S of Unalaska, AlaskaSun, Sep 5, 8:28 PM AKDT · 1843 days ago · 7 km deep · 97 km away
5. 2.863 km SSW of Unalaska, AlaskaSat, Sep 4, 9:48 AM AKDT · 1845 days ago · 67 km deep · 28 km away
6. 1.570 km SW of Unalaska, AlaskaFri, Sep 3, 12:45 AM AKDT · 1846 days ago · 31 km deep · 22 km away
7. 2.9103 km ESE of Nikolski, AlaskaThu, Sep 2, 1:23 PM AKDT · 1847 days ago · 25 km deep · 93 km away
8. 3.174 km NNE of Nikolski, AlaskaThu, Sep 2, 7:47 AM AKDT · 1847 days ago · 133 km deep · 87 km away
9. 2.948 km SW of Unalaska, AlaskaThu, Sep 2, 6:59 AM AKDT · 1847 days ago · 96 km deep · 12 km away
10. 2.674 km SSW of Unalaska, AlaskaTue, Aug 31, 8:47 AM AKDT · 1849 days ago · 55 km deep · 45 km away
11. 1.688 km SSW of Unalaska, AlaskaTue, Aug 31, 2:50 AM AKDT · 1849 days ago · 24 km deep · 49 km away
12. 1.984 km E of Nikolski, AlaskaMon, Aug 30, 6:38 PM AKDT · 1849 days ago · 53 km deep · 78 km away
13. 2.218 km SSE of Unalaska, AlaskaMon, Aug 30, 3:41 AM AKDT · 1850 days ago · 115 km deep · 54 km away
14. 1.789 km E of Nikolski, AlaskaSun, Aug 29, 1:47 PM AKDT · 1851 days ago · 25 km deep · 86 km away
15. 2.066 km SW of Unalaska, AlaskaSat, Aug 28, 5:14 PM AKDT · 1851 days ago · 14 km deep · 14 km away
16. 1.628 km WSW of Unalaska, AlaskaFri, Aug 27, 11:55 PM AKDT · 1852 days ago · 111 km deep · 25 km away
17. 1.518 km S of Akutan, AlaskaFri, Aug 27, 3:32 PM AKDT · 1853 days ago · 79 km deep · 100 km away
18. 1.767 km SE of Unalaska, AlaskaTue, Aug 24, 8:58 PM AKDT · 1855 days ago · 26 km deep · 91 km away
19. 2.661 km SSE of Unalaska, AlaskaSun, Aug 22, 5:57 PM AKDT · 1857 days ago · 35 km deep · 74 km away
20. 1.954 km SW of Unalaska, AlaskaSun, Aug 22, 2:54 PM AKDT · 1858 days ago · 13 km deep · 3 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021bl0gmtm. Read Wed, Sep 23, 2026, 11:13 AM UTC.