M1.5 earthquake 70 km SW of Unalaska, Alaska

Magnitude

1.5 (ml), micro

Local time

Fri, Sep 3, 2021, 12:45 AM AKDT

UTC

2021-09-03 08:45:28 UTC

Depth

30.7 km (19.1 mi), shallow

Epicenter

53.375° N, 167.181° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

29

• Unalaska, AlaskaPopulation 4,491. Forecast70 kmSW

After

1. 2.863 km SSW of Unalaska, AlaskaSat, Sep 4, 9:48 AM AKDT · 1845 days ago · 67 km deep · 16 km away
2. 3.6127 km S of Unalaska, AlaskaSun, Sep 5, 8:28 PM AKDT · 1843 days ago · 7 km deep · 77 km away
3. 2.184 km S of Unalaska, AlaskaSun, Sep 5, 9:18 PM AKDT · 1843 days ago · 26 km deep · 38 km away
4. 1.8144 km S of Unalaska, AlaskaMon, Sep 6, 7:37 AM AKDT · 1843 days ago · 26 km deep · 99 km away
5. 1.7143 km S of Unalaska, AlaskaMon, Sep 6, 7:39 AM AKDT · 1843 days ago · 21 km deep · 96 km away
6. 1.6124 km S of Unalaska, AlaskaMon, Sep 6, 2:37 PM AKDT · 1843 days ago · 2 km deep · 73 km away
7. 1.645 km ESE of Unalaska, AlaskaThu, Sep 9, 6:33 AM AKDT · 1840 days ago · 63 km deep · 93 km away
8. 1.552 km SW of Unalaska, AlaskaThu, Sep 9, 7:17 AM AKDT · 1840 days ago · 14 km deep · 22 km away
9. 1.578 km SW of Unalaska, AlaskaThu, Sep 9, 8:40 AM AKDT · 1840 days ago · 31 km deep · 19 km away
10. 1.8102 km E of Nikolski, AlaskaFri, Sep 10, 12:35 AM AKDT · 1839 days ago · 25 km deep · 54 km away
11. 1.620 km WSW of Dutch Harbor, AlaskaThu, Sep 16, 2:19 PM AKDT · 1833 days ago · 7 km deep · 57 km away
12. 1.521 km WSW of Dutch Harbor, AlaskaThu, Sep 16, 2:33 PM AKDT · 1833 days ago · 7 km deep · 56 km away
13. 1.621 km WSW of Dutch Harbor, AlaskaThu, Sep 16, 2:59 PM AKDT · 1833 days ago · 7 km deep · 57 km away
14. 1.720 km WSW of Dutch Harbor, AlaskaThu, Sep 16, 3:48 PM AKDT · 1833 days ago · 6 km deep · 57 km away
15. 1.652 km SE of Unalaska, AlaskaThu, Sep 16, 11:24 PM AKDT · 1832 days ago · 25 km deep · 76 km away
16. 1.651 km SW of Unalaska, AlaskaFri, Sep 17, 4:29 AM AKDT · 1832 days ago · 15 km deep · 22 km away
17. 1.981 km SSE of Unalaska, AlaskaFri, Sep 17, 9:22 AM AKDT · 1832 days ago · 25 km deep · 80 km away
18. 2.652 km ESE of Nikolski, AlaskaTue, Sep 21, 7:31 AM AKDT · 1828 days ago · 34 km deep · 97 km away
19. 3.457 km SSE of Unalaska, AlaskaWed, Sep 22, 1:04 AM AKDT · 1827 days ago · 43 km deep · 74 km away
20. 2.098 km E of Nikolski, AlaskaWed, Sep 22, 7:22 AM AKDT · 1827 days ago · 26 km deep · 56 km away
21. 2.684 km S of Unalaska, AlaskaThu, Sep 23, 5:59 AM AKDT · 1826 days ago · 35 km deep · 39 km away
22. 1.818 km WSW of Dutch Harbor, AlaskaThu, Sep 23, 11:34 PM AKDT · 1825 days ago · 7 km deep · 58 km away
23. 1.820 km WSW of Dutch Harbor, AlaskaThu, Sep 23, 11:59 PM AKDT · 1825 days ago · 5 km deep · 56 km away
24. 1.720 km WSW of Dutch Harbor, AlaskaFri, Sep 24, 12:54 AM AKDT · 1825 days ago · 5 km deep · 56 km away
25. 1.670 km SE of Unalaska, AlaskaFri, Sep 24, 10:36 AM AKDT · 1825 days ago · 25 km deep · 96 km away
26. 1.6Fox Islands, Aleutian Islands, AlaskaSun, Sep 26, 7:21 AM AKDT · 1823 days ago · 23 km deep · 18 km away
27. 3.2109 km SSW of Unalaska, AlaskaMon, Sep 27, 2:29 AM AKDT · 1822 days ago · 29 km deep · 55 km away
28. 2.156 km SW of Unalaska, AlaskaMon, Sep 27, 9:13 AM AKDT · 1822 days ago · 89 km deep · 18 km away
29. 3.085 km SSW of Unalaska, AlaskaMon, Sep 27, 12:21 PM AKDT · 1822 days ago · 35 km deep · 36 km away
30. 1.668 km SE of Unalaska, AlaskaMon, Sep 27, 3:13 PM AKDT · 1822 days ago · 23 km deep · 96 km away
31. 1.9107 km E of Nikolski, AlaskaWed, Sep 29, 3:05 PM AKDT · 1820 days ago · 14 km deep · 50 km away
32. 1.759 km SE of Unalaska, AlaskaFri, Oct 1, 6:31 PM AKDT · 1817 days ago · 13 km deep · 95 km away
33. 2.054 km SSW of Unalaska, AlaskaSun, Oct 3, 10:14 PM AKDT · 1815 days ago · 71 km deep · 18 km away
34. 1.566 km SE of Unalaska, AlaskaMon, Oct 4, 8:48 AM AKDT · 1815 days ago · 24 km deep · 83 km away
35. 2.984 km E of Nikolski, AlaskaWed, Oct 6, 1:27 AM AKDT · 1813 days ago · 35 km deep · 69 km away
36. 1.651 km S of Akutan, AlaskaWed, Oct 6, 8:11 PM AKDT · 1812 days ago · 20 km deep · 99 km away
37. 1.781 km SSE of Unalaska, AlaskaWed, Oct 6, 10:00 PM AKDT · 1812 days ago · 26 km deep · 78 km away
38. 1.8105 km ESE of Nikolski, AlaskaThu, Oct 7, 1:30 AM AKDT · 1812 days ago · 17 km deep · 91 km away
39. 4.177 km SSW of Unalaska, AlaskaFri, Oct 8, 9:59 PM AKDT · 1810 days ago · 44 km deep · 28 km away
40. 2.088 km S of Unalaska, AlaskaSun, Oct 10, 9:20 PM AKDT · 1808 days ago · 41 km deep · 41 km away
41. 3.1106 km W of Dutch Harbor, AlaskaMon, Oct 11, 12:35 PM AKDT · 1808 days ago · 14 km deep · 94 km away
42. 3.091 km SW of Unalaska, AlaskaMon, Oct 11, 1:26 PM AKDT · 1808 days ago · 35 km deep · 21 km away
43. 2.150 km ENE of Nikolski, AlaskaMon, Oct 11, 6:08 PM AKDT · 1807 days ago · 65 km deep · 72 km away
44. 3.782 km E of Nikolski, AlaskaWed, Oct 13, 2:17 PM AKDT · 1806 days ago · 42 km deep · 68 km away
45. 2.010 km ENE of Unalaska, AlaskaWed, Oct 13, 4:43 PM AKDT · 1805 days ago · 92 km deep · 78 km away
46. 2.082 km SW of Unalaska, AlaskaWed, Oct 13, 5:37 PM AKDT · 1805 days ago · 73 km deep · 24 km away
47. 1.8103 km ESE of Nikolski, AlaskaWed, Oct 13, 5:39 PM AKDT · 1805 days ago · 26 km deep · 73 km away
48. 2.882 km S of Unalaska, AlaskaThu, Oct 14, 4:29 AM AKDT · 1805 days ago · 34 km deep · 39 km away
49. 3.887 km SSW of Unalaska, AlaskaThu, Oct 14, 12:19 PM AKDT · 1805 days ago · 35 km deep · 34 km away
50. 2.890 km S of Unalaska, AlaskaFri, Oct 15, 4:20 AM AKDT · 1804 days ago · 35 km deep · 43 km away
51. 3.685 km WSW of Unalaska, AlaskaSat, Oct 16, 2:26 PM AKDT · 1803 days ago · 113 km deep · 41 km away
52. 1.746 km SW of Unalaska, AlaskaTue, Oct 19, 2:32 PM AKDT · 1800 days ago · 18 km deep · 26 km away
53. 2.026 km ESE of Unalaska, AlaskaTue, Oct 19, 5:41 PM AKDT · 1799 days ago · 72 km deep · 83 km away
54. 3.686 km ENE of Nikolski, AlaskaWed, Oct 20, 9:00 AM AKDT · 1799 days ago · 76 km deep · 36 km away
55. 1.787 km SSW of Unalaska, AlaskaWed, Oct 20, 6:57 PM AKDT · 1798 days ago · 26 km deep · 31 km away
56. 3.199 km E of Nikolski, AlaskaSat, Oct 23, 5:54 PM AKDT · 1795 days ago · 35 km deep · 64 km away
57. 3.0102 km E of Nikolski, AlaskaSat, Oct 23, 6:13 PM AKDT · 1795 days ago · 35 km deep · 62 km away
58. 2.9102 km E of Nikolski, AlaskaSat, Oct 23, 6:57 PM AKDT · 1795 days ago · 35 km deep · 65 km away
59. 1.719 km WSW of Dutch Harbor, AlaskaSun, Oct 24, 9:16 PM AKDT · 1794 days ago · 6 km deep · 57 km away
60. 2.270 km SE of Unalaska, AlaskaMon, Oct 25, 1:59 AM AKDT · 1794 days ago · 23 km deep · 97 km away

The first 60 of 83.

Before

1. 2.9103 km ESE of Nikolski, AlaskaThu, Sep 2, 1:23 PM AKDT · 1847 days ago · 25 km deep · 70 km away
2. 3.174 km NNE of Nikolski, AlaskaThu, Sep 2, 7:47 AM AKDT · 1847 days ago · 133 km deep · 88 km away
3. 2.948 km SW of Unalaska, AlaskaThu, Sep 2, 6:59 AM AKDT · 1847 days ago · 96 km deep · 22 km away
4. 1.9136 km ESE of Nikolski, AlaskaWed, Sep 1, 5:01 PM AKDT · 1847 days ago · 7 km deep · 85 km away
5. 1.9140 km ESE of Nikolski, AlaskaWed, Sep 1, 4:33 AM AKDT · 1848 days ago · 14 km deep · 96 km away
6. 2.674 km SSW of Unalaska, AlaskaTue, Aug 31, 8:47 AM AKDT · 1849 days ago · 55 km deep · 29 km away
7. 1.688 km SSW of Unalaska, AlaskaTue, Aug 31, 2:50 AM AKDT · 1849 days ago · 24 km deep · 28 km away
8. 1.984 km E of Nikolski, AlaskaMon, Aug 30, 6:38 PM AKDT · 1849 days ago · 53 km deep · 57 km away
9. 2.218 km SSE of Unalaska, AlaskaMon, Aug 30, 3:41 AM AKDT · 1850 days ago · 115 km deep · 66 km away
10. 1.789 km E of Nikolski, AlaskaSun, Aug 29, 1:47 PM AKDT · 1851 days ago · 25 km deep · 65 km away
11. 4.041 km ESE of Nikolski, AlaskaSun, Aug 29, 12:30 AM AKDT · 1851 days ago · 53 km deep · 95 km away
12. 2.066 km SW of Unalaska, AlaskaSat, Aug 28, 5:14 PM AKDT · 1851 days ago · 14 km deep · 16 km away
13. 1.628 km WSW of Unalaska, AlaskaFri, Aug 27, 11:55 PM AKDT · 1852 days ago · 111 km deep · 44 km away
14. 1.757 km ESE of Nikolski, AlaskaWed, Aug 25, 6:55 AM AKDT · 1855 days ago · 26 km deep · 85 km away
15. 1.529 km E of Nikolski, AlaskaWed, Aug 25, 5:24 AM AKDT · 1855 days ago · 53 km deep · 97 km away
16. 1.767 km SE of Unalaska, AlaskaTue, Aug 24, 8:58 PM AKDT · 1855 days ago · 26 km deep · 91 km away
17. 1.840 km ESE of Nikolski, AlaskaTue, Aug 24, 5:11 AM AKDT · 1856 days ago · 48 km deep · 98 km away
18. 2.661 km SSE of Unalaska, AlaskaSun, Aug 22, 5:57 PM AKDT · 1857 days ago · 35 km deep · 73 km away
19. 1.954 km SW of Unalaska, AlaskaSun, Aug 22, 2:54 PM AKDT · 1858 days ago · 13 km deep · 23 km away
20. 1.768 km E of Nikolski, AlaskaSat, Aug 21, 3:24 AM AKDT · 1859 days ago · 30 km deep · 69 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021baz8jon. Read Wed, Sep 23, 2026, 11:44 AM UTC.