M1.8 earthquake 25 km SSW of Unalaska, Alaska

Magnitude

1.8 (ml), micro

Local time

Sun, Mar 21, 2021, 8:40 AM AKDT

UTC

2021-03-21 16:40:20 UTC

Depth

69.7 km (43.3 mi), shallow

Epicenter

53.654° N, 166.614° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

21

• Unalaska, AlaskaPopulation 4,491. Forecast25 kmSSW

After

1. 2.161 km SE of Akutan, AlaskaSun, Mar 21, 12:30 PM AKDT · 2014 days ago · 26 km deep · 91 km away
2. 1.982 km SSE of Akutan, AlaskaSun, Mar 21, 2:44 PM AKDT · 2014 days ago · 25 km deep · 91 km away
3. 3.077 km SE of Unalaska, AlaskaMon, Mar 22, 12:39 AM AKDT · 2014 days ago · 27 km deep · 66 km away
4. 2.070 km SE of Unalaska, AlaskaMon, Mar 22, 12:40 AM AKDT · 2014 days ago · 15 km deep · 61 km away
5. 2.266 km SE of Unalaska, AlaskaMon, Mar 22, 2:47 AM AKDT · 2014 days ago · 48 km deep · 58 km away
6. 2.880 km SE of Unalaska, AlaskaMon, Mar 22, 4:59 AM AKDT · 2014 days ago · 35 km deep · 69 km away
7. 2.3124 km S of Unalaska, AlaskaWed, Mar 24, 9:59 AM AKDT · 2012 days ago · 5 km deep · 100 km away
8. 1.8107 km E of Nikolski, AlaskaWed, Mar 24, 8:48 PM AKDT · 2011 days ago · 16 km deep · 91 km away
9. 1.771 km SSW of Unalaska, AlaskaWed, Mar 24, 9:42 PM AKDT · 2011 days ago · 50 km deep · 47 km away
10. 1.727 km S of Unalaska, AlaskaThu, Mar 25, 3:02 AM AKDT · 2011 days ago · 89 km deep · 3 km away
11. 2.938 km SSE of Unalaska, AlaskaThu, Mar 25, 9:23 PM AKDT · 2010 days ago · 80 km deep · 22 km away
12. 1.6104 km E of Nikolski, AlaskaThu, Mar 25, 11:12 PM AKDT · 2010 days ago · 26 km deep · 93 km away
13. 1.743 km W of Dutch Harbor, AlaskaSun, Mar 28, 2:50 AM AKDT · 2008 days ago · 7 km deep · 42 km away
14. 2.834 km SSE of Unalaska, AlaskaTue, Mar 30, 2:48 AM AKDT · 2006 days ago · 70 km deep · 21 km away
15. 2.077 km SSW of Unalaska, AlaskaTue, Mar 30, 6:58 AM AKDT · 2006 days ago · 25 km deep · 52 km away
16. 2.870 km SSE of Akutan, AlaskaTue, Mar 30, 9:45 PM AKDT · 2005 days ago · 47 km deep · 79 km away
17. 3.366 km SE of Unalaska, AlaskaWed, Mar 31, 1:15 AM AKDT · 2005 days ago · 35 km deep · 59 km away
18. 1.834 km SE of Akutan, AlaskaThu, Apr 1, 5:13 PM AKDT · 2003 days ago · 70 km deep · 82 km away
19. 3.093 km WSW of Unalaska, AlaskaFri, Apr 2, 2:28 AM AKDT · 2003 days ago · 71 km deep · 84 km away
20. 1.679 km SE of Unalaska, AKFri, Apr 2, 3:08 AM AKDT · 2003 days ago · 22 km deep · 70 km away
21. 1.849 km SW of Unalaska, AlaskaSun, Apr 4, 9:07 PM AKDT · 2000 days ago · 68 km deep · 32 km away
22. 1.887 km SSW of Unalaska, AlaskaTue, Apr 6, 12:50 AM AKDT · 1999 days ago · 26 km deep · 63 km away
23. 3.1Fox Islands, Aleutian Islands, AlaskaTue, Apr 6, 2:22 AM AKDT · 1999 days ago · 20 km deep · 67 km away
24. 1.878 km SSE of Akutan, AlaskaWed, Apr 7, 5:03 PM AKDT · 1997 days ago · 26 km deep · 89 km away
25. 2.018 km ENE of Akutan, AlaskaThu, Apr 8, 9:28 PM AKDT · 1996 days ago · 87 km deep · 94 km away
26. 1.669 km WSW of Unalaska, AlaskaFri, Apr 9, 12:20 PM AKDT · 1995 days ago · 14 km deep · 56 km away
27. 1.570 km WSW of Unalaska, AlaskaFri, Apr 9, 4:09 PM AKDT · 1995 days ago · 8 km deep · 59 km away
28. 2.045 km SE of Unalaska, AlaskaSat, Apr 10, 12:20 PM AKDT · 1994 days ago · 39 km deep · 37 km away
29. 2.9Fox Islands, Aleutian Islands, AlaskaSat, Apr 10, 4:22 PM AKDT · 1994 days ago · 52 km deep · 53 km away
30. 2.058 km S of Akutan, AlaskaMon, Apr 12, 4:16 PM AKDT · 1992 days ago · 82 km deep · 63 km away
31. 1.879 km SE of Unalaska, AlaskaMon, Apr 12, 4:50 PM AKDT · 1992 days ago · 16 km deep · 67 km away
32. 2.024 km S of Akutan, AlaskaTue, Apr 13, 12:07 AM AKDT · 1992 days ago · 98 km deep · 59 km away
33. 1.99 km E of Akutan, AlaskaTue, Apr 13, 4:49 AM AKDT · 1992 days ago · 101 km deep · 84 km away
34. 1.872 km SSE of Akutan, AlaskaTue, Apr 13, 8:14 AM AKDT · 1992 days ago · 59 km deep · 89 km away
35. 1.877 km SSE of Akutan, AlaskaTue, Apr 13, 8:21 AM AKDT · 1992 days ago · 48 km deep · 90 km away
36. 1.672 km SE of Akutan, AlaskaTue, Apr 13, 4:47 PM AKDT · 1991 days ago · 48 km deep · 97 km away
37. 2.582 km SSE of Akutan, AlaskaTue, Apr 13, 6:57 PM AKDT · 1991 days ago · 35 km deep · 94 km away
38. 1.986 km SW of Unalaska, AlaskaWed, Apr 14, 2:08 PM AKDT · 1990 days ago · 26 km deep · 65 km away
39. 1.769 km S of Unalaska, AlaskaThu, Apr 15, 4:02 AM AKDT · 1990 days ago · 21 km deep · 45 km away
40. 1.663 km SSW of Unalaska, AlaskaFri, Apr 16, 5:47 PM AKDT · 1988 days ago · 30 km deep · 39 km away
41. 1.687 km SE of Unalaska, AlaskaSat, Apr 17, 3:47 AM AKDT · 1988 days ago · 68 km deep · 77 km away
42. 1.582 km SW of Unalaska, AlaskaSat, Apr 17, 6:52 AM AKDT · 1988 days ago · 62 km deep · 61 km away
43. 2.68 km WNW of Dutch Harbor, AlaskaSun, Apr 18, 12:41 PM AKDT · 1986 days ago · 114 km deep · 28 km away
44. 1.523 km W of Dutch Harbor, AlaskaMon, Apr 19, 4:47 PM AKDT · 1985 days ago · 5 km deep · 31 km away
45. 1.926 km ESE of Unalaska, AlaskaTue, Apr 20, 9:58 PM AKDT · 1984 days ago · 74 km deep · 34 km away
46. 2.169 km SE of Unalaska, AlaskaTue, Apr 20, 10:35 PM AKDT · 1984 days ago · 23 km deep · 63 km away
47. 2.039 km SSE of Akutan, AlaskaThu, Apr 22, 12:16 PM AKDT · 1982 days ago · 77 km deep · 74 km away
48. 1.865 km SE of Unalaska, AlaskaSat, Apr 24, 12:03 AM AKDT · 1981 days ago · 11 km deep · 56 km away
49. 1.778 km SSE of Akutan, AlaskaSat, Apr 24, 2:39 PM AKDT · 1980 days ago · 17 km deep · 87 km away
50. 1.730 km SW of Unalaska, AlaskaSat, Apr 24, 10:56 PM AKDT · 1980 days ago · 79 km deep · 11 km away
51. 1.684 km SSE of Akutan, AlaskaMon, Apr 26, 1:17 AM AKDT · 1979 days ago · 46 km deep · 93 km away
52. 1.731 km SE of Unalaska, AlaskaMon, Apr 26, 8:47 PM AKDT · 1978 days ago · 43 km deep · 24 km away
53. 2.6105 km S of Unalaska, AlaskaWed, Apr 28, 12:25 PM AKDT · 1976 days ago · 32 km deep · 81 km away
54. 3.6119 km E of Nikolski, AlaskaThu, Apr 29, 8:47 AM AKDT · 1976 days ago · 51 km deep · 95 km away
55. 2.160 km SSE of Akutan, AlaskaMon, May 3, 5:28 PM AKDT · 1971 days ago · 68 km deep · 88 km away
56. 1.629 km W of Akutan, AlaskaMon, May 3, 6:58 PM AKDT · 1971 days ago · 71 km deep · 57 km away
57. 1.718 km SSE of Akutan, AlaskaMon, May 3, 10:16 PM AKDT · 1971 days ago · 77 km deep · 73 km away
58. 2.058 km SSE of Akutan, AlaskaTue, May 4, 9:25 AM AKDT · 1971 days ago · 52 km deep · 73 km away
59. 1.875 km S of Akutan, AlaskaTue, May 4, 12:18 PM AKDT · 1970 days ago · 22 km deep · 73 km away
60. 1.57 km N of Dutch Harbor, AlaskaThu, May 6, 8:44 AM AKDT · 1969 days ago · 10 km deep · 34 km away

The first 60 of 63.

Before

1. 1.988 km ENE of Nikolski, AlaskaSat, Mar 20, 1:53 AM AKDT · 2016 days ago · 55 km deep · 85 km away
2. 3.278 km S of Unalaska, AlaskaThu, Mar 18, 2:36 AM AKDT · 2018 days ago · 25 km deep · 53 km away
3. 1.561 km ESE of Unalaska, AlaskaThu, Mar 18, 2:31 AM AKDT · 2018 days ago · 25 km deep · 58 km away
4. 1.574 km S of Unalaska, AlaskaWed, Mar 17, 11:38 PM AKDT · 2018 days ago · 45 km deep · 49 km away
5. 1.762 km SSE of Akutan, AlaskaWed, Mar 17, 11:04 PM AKDT · 2018 days ago · 25 km deep · 89 km away
6. 1.666 km SW of Unalaska, AlaskaTue, Mar 16, 5:12 PM AKDT · 2019 days ago · 13 km deep · 50 km away
7. 1.869 km SE of Unalaska, AlaskaTue, Mar 16, 4:29 PM AKDT · 2019 days ago · 43 km deep · 60 km away
8. 1.986 km SSW of Unalaska, AlaskaTue, Mar 16, 11:25 AM AKDT · 2020 days ago · 26 km deep · 62 km away
9. 1.979 km S of Unalaska, AlaskaTue, Mar 16, 10:31 AM AKDT · 2020 days ago · 22 km deep · 55 km away
10. 2.636 km SE of Unalaska, AlaskaSun, Mar 14, 11:40 PM AKDT · 2021 days ago · 41 km deep · 32 km away
11. 3.148 km S of Unalaska, AlaskaSun, Mar 14, 9:40 AM AKDT · 2022 days ago · 67 km deep · 23 km away
12. 1.956 km SE of Unalaska, AlaskaSun, Mar 14, 1:14 AM AKST · 2022 days ago · 25 km deep · 48 km away
13. 2.750 km S of Akutan, AlaskaSun, Mar 14, 12:05 AM AKST · 2022 days ago · 62 km deep · 55 km away
14. 2.178 km SSE of Akutan, AlaskaSat, Mar 13, 4:02 PM AKST · 2022 days ago · 33 km deep · 91 km away
15. 2.9102 km SSW of Unalaska, AlaskaMon, Mar 8, 11:45 PM AKST · 2027 days ago · 35 km deep · 77 km away
16. 2.835 km SE of Akutan, AlaskaTue, Mar 2, 4:09 AM AKST · 2034 days ago · 75 km deep · 85 km away
17. 2.078 km SSE of Akutan, AlaskaMon, Mar 1, 11:55 AM AKST · 2034 days ago · 25 km deep · 86 km away
18. 1.710 km WNW of Dutch Harbor, AlaskaMon, Mar 1, 4:41 AM AKST · 2035 days ago · 3 km deep · 31 km away
19. 3.279 km SSW of Unalaska, AlaskaSat, Feb 27, 8:43 AM AKST · 2037 days ago · 10 km deep · 55 km away
20. 2.185 km SSE of Akutan, AlaskaThu, Feb 25, 11:28 PM AKST · 2038 days ago · 19 km deep · 79 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0213okrbe3. Read Sat, Sep 26, 2026, 6:59 AM UTC.