M1.9 earthquake 84 km S of Unalaska, Alaska

Magnitude

1.9 (ml), micro

Local time

Mon, Feb 22, 2021, 6:49 PM AKST

UTC

2021-02-23 03:49:14 UTC

Depth

5.0 km (3.1 mi), shallow

Epicenter

53.120° N, 166.617° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

18

• Unalaska, AlaskaPopulation 4,491. Forecast84 kmS

After

1. 3.374 km SSW of Unalaska, AlaskaTue, Feb 23, 5:57 AM AKST · 2038 days ago · 35 km deep · 16 km away
2. 2.1118 km S of Unalaska, AlaskaTue, Feb 23, 4:05 PM AKST · 2038 days ago · 6 km deep · 35 km away
3. 2.1135 km S of Unalaska, AlaskaTue, Feb 23, 11:22 PM AKST · 2038 days ago · 37 km deep · 52 km away
4. 2.7Fox Islands, Aleutian Islands, AlaskaWed, Feb 24, 2:09 AM AKST · 2037 days ago · 20 km deep · 49 km away
5. 3.1133 km S of Unalaska, AlaskaWed, Feb 24, 2:45 AM AKST · 2037 days ago · 29 km deep · 49 km away
6. 2.8140 km S of Unalaska, AlaskaWed, Feb 24, 4:51 AM AKST · 2037 days ago · 10 km deep · 56 km away
7. 2.185 km SSE of Akutan, AlaskaThu, Feb 25, 11:28 PM AKST · 2036 days ago · 19 km deep · 79 km away
8. 3.279 km SSW of Unalaska, AlaskaSat, Feb 27, 8:43 AM AKST · 2034 days ago · 10 km deep · 35 km away
9. 2.167 km ESE of Nikolski, AlaskaSun, Feb 28, 2:51 PM AKST · 2033 days ago · 16 km deep · 96 km away
10. 1.710 km WNW of Dutch Harbor, AlaskaMon, Mar 1, 4:41 AM AKST · 2032 days ago · 3 km deep · 90 km away
11. 2.078 km SSE of Akutan, AlaskaMon, Mar 1, 11:55 AM AKST · 2032 days ago · 25 km deep · 94 km away
12. 2.4136 km S of Unalaska, AlaskaMon, Mar 8, 1:31 AM AKST · 2025 days ago · 5 km deep · 54 km away
13. 2.9102 km SSW of Unalaska, AlaskaMon, Mar 8, 11:45 PM AKST · 2025 days ago · 35 km deep · 22 km away
14. 2.1146 km ESE of Nikolski, AlaskaFri, Mar 12, 7:20 PM AKST · 2021 days ago · 26 km deep · 68 km away
15. 2.178 km SSE of Akutan, AlaskaSat, Mar 13, 4:02 PM AKST · 2020 days ago · 33 km deep · 99 km away
16. 2.750 km S of Akutan, AlaskaSun, Mar 14, 12:05 AM AKST · 2020 days ago · 62 km deep · 84 km away
17. 1.956 km SE of Unalaska, AlaskaSun, Mar 14, 1:14 AM AKST · 2019 days ago · 25 km deep · 65 km away
18. 3.148 km S of Unalaska, AlaskaSun, Mar 14, 9:40 AM AKDT · 2019 days ago · 67 km deep · 37 km away
19. 2.636 km SE of Unalaska, AlaskaSun, Mar 14, 11:40 PM AKDT · 2019 days ago · 41 km deep · 67 km away
20. 1.979 km S of Unalaska, AlaskaTue, Mar 16, 10:31 AM AKDT · 2017 days ago · 22 km deep · 8 km away
21. 1.986 km SSW of Unalaska, AlaskaTue, Mar 16, 11:25 AM AKDT · 2017 days ago · 26 km deep · 28 km away
22. 1.869 km SE of Unalaska, AlaskaTue, Mar 16, 4:29 PM AKDT · 2017 days ago · 43 km deep · 67 km away
23. 1.666 km SW of Unalaska, AlaskaTue, Mar 16, 5:12 PM AKDT · 2017 days ago · 13 km deep · 64 km away
24. 1.574 km S of Unalaska, AlaskaWed, Mar 17, 11:38 PM AKDT · 2016 days ago · 45 km deep · 11 km away
25. 1.561 km ESE of Unalaska, AlaskaThu, Mar 18, 2:31 AM AKDT · 2015 days ago · 25 km deep · 77 km away
26. 3.278 km S of Unalaska, AlaskaThu, Mar 18, 2:36 AM AKDT · 2015 days ago · 25 km deep · 7 km away
27. 1.988 km ENE of Nikolski, AlaskaSat, Mar 20, 1:53 AM AKDT · 2013 days ago · 55 km deep · 65 km away
28. 1.825 km SSW of Unalaska, AlaskaSun, Mar 21, 8:40 AM AKDT · 2012 days ago · 70 km deep · 59 km away
29. 1.982 km SSE of Akutan, AlaskaSun, Mar 21, 2:44 PM AKDT · 2012 days ago · 25 km deep · 96 km away
30. 3.077 km SE of Unalaska, AlaskaMon, Mar 22, 12:39 AM AKDT · 2012 days ago · 27 km deep · 65 km away
31. 2.070 km SE of Unalaska, AlaskaMon, Mar 22, 12:40 AM AKDT · 2012 days ago · 15 km deep · 67 km away
32. 2.266 km SE of Unalaska, AlaskaMon, Mar 22, 2:47 AM AKDT · 2011 days ago · 48 km deep · 67 km away
33. 2.880 km SE of Unalaska, AlaskaMon, Mar 22, 4:59 AM AKDT · 2011 days ago · 35 km deep · 64 km away
34. 2.3124 km S of Unalaska, AlaskaWed, Mar 24, 9:59 AM AKDT · 2009 days ago · 5 km deep · 43 km away
35. 1.8107 km E of Nikolski, AlaskaWed, Mar 24, 8:48 PM AKDT · 2009 days ago · 16 km deep · 48 km away
36. 1.771 km SSW of Unalaska, AlaskaWed, Mar 24, 9:42 PM AKDT · 2009 days ago · 50 km deep · 24 km away
37. 1.727 km S of Unalaska, AlaskaThu, Mar 25, 3:02 AM AKDT · 2008 days ago · 89 km deep · 57 km away
38. 2.938 km SSE of Unalaska, AlaskaThu, Mar 25, 9:23 PM AKDT · 2008 days ago · 80 km deep · 53 km away
39. 1.6104 km E of Nikolski, AlaskaThu, Mar 25, 11:12 PM AKDT · 2008 days ago · 26 km deep · 50 km away
40. 1.743 km W of Dutch Harbor, AlaskaSun, Mar 28, 2:50 AM AKDT · 2005 days ago · 7 km deep · 87 km away
41. 2.834 km SSE of Unalaska, AlaskaTue, Mar 30, 2:48 AM AKDT · 2003 days ago · 70 km deep · 57 km away
42. 2.077 km SSW of Unalaska, AlaskaTue, Mar 30, 6:58 AM AKDT · 2003 days ago · 25 km deep · 13 km away
43. 2.870 km SSE of Akutan, AlaskaTue, Mar 30, 9:45 PM AKDT · 2003 days ago · 47 km deep · 91 km away
44. 3.366 km SE of Unalaska, AlaskaWed, Mar 31, 1:15 AM AKDT · 2003 days ago · 35 km deep · 71 km away
45. 3.093 km WSW of Unalaska, AlaskaFri, Apr 2, 2:28 AM AKDT · 2000 days ago · 71 km deep · 99 km away
46. 1.679 km SE of Unalaska, AKFri, Apr 2, 3:08 AM AKDT · 2000 days ago · 22 km deep · 71 km away
47. 1.849 km SW of Unalaska, AlaskaSun, Apr 4, 9:07 PM AKDT · 1998 days ago · 68 km deep · 59 km away
48. 1.887 km SSW of Unalaska, AlaskaTue, Apr 6, 12:50 AM AKDT · 1997 days ago · 26 km deep · 25 km away
49. 3.1Fox Islands, Aleutian Islands, AlaskaTue, Apr 6, 2:22 AM AKDT · 1996 days ago · 20 km deep · 65 km away
50. 1.878 km SSE of Akutan, AlaskaWed, Apr 7, 5:03 PM AKDT · 1995 days ago · 26 km deep · 97 km away
51. 1.669 km WSW of Unalaska, AlaskaFri, Apr 9, 12:20 PM AKDT · 1993 days ago · 14 km deep · 75 km away
52. 1.570 km WSW of Unalaska, AlaskaFri, Apr 9, 4:09 PM AKDT · 1993 days ago · 8 km deep · 79 km away
53. 2.045 km SE of Unalaska, AlaskaSat, Apr 10, 12:20 PM AKDT · 1992 days ago · 39 km deep · 61 km away
54. 2.9Fox Islands, Aleutian Islands, AlaskaSat, Apr 10, 4:22 PM AKDT · 1992 days ago · 52 km deep · 34 km away
55. 2.058 km S of Akutan, AlaskaMon, Apr 12, 4:16 PM AKDT · 1990 days ago · 82 km deep · 84 km away
56. 1.879 km SE of Unalaska, AlaskaMon, Apr 12, 4:50 PM AKDT · 1990 days ago · 16 km deep · 61 km away
57. 1.969 km E of Nikolski, AlaskaMon, Apr 12, 8:34 PM AKDT · 1990 days ago · 40 km deep · 82 km away
58. 1.877 km SSE of Akutan, AlaskaTue, Apr 13, 8:21 AM AKDT · 1989 days ago · 48 km deep · 99 km away
59. 2.582 km SSE of Akutan, AlaskaTue, Apr 13, 6:57 PM AKDT · 1989 days ago · 35 km deep · 99 km away
60. 1.986 km SW of Unalaska, AlaskaWed, Apr 14, 2:08 PM AKDT · 1988 days ago · 26 km deep · 54 km away

The first 60 of 71.

Before

1. 1.584 km SW of Unalaska, AlaskaSat, Feb 20, 5:48 PM AKST · 2041 days ago · 14 km deep · 46 km away
2. 2.487 km SSE of Akutan, AlaskaSat, Feb 20, 4:23 PM AKST · 2041 days ago · 26 km deep · 98 km away
3. 2.072 km SE of Unalaska, AlaskaFri, Feb 19, 4:16 PM AKST · 2042 days ago · 22 km deep · 59 km away
4. 3.0135 km SSE of Unalaska, AlaskaFri, Feb 19, 1:58 AM AKST · 2042 days ago · 10 km deep · 83 km away
5. 2.013 km ENE of Dutch Harbor, AlaskaWed, Feb 17, 6:26 AM AKST · 2044 days ago · 95 km deep · 91 km away
6. 2.7Fox Islands, Aleutian Islands, AlaskaMon, Feb 15, 11:21 AM AKST · 2046 days ago · 35 km deep · 53 km away
7. 2.074 km SSE of Akutan, AlaskaSat, Feb 13, 1:04 PM AKST · 2048 days ago · 41 km deep · 94 km away
8. 1.885 km E of Nikolski, AlaskaFri, Feb 12, 10:14 AM AKST · 2049 days ago · 10 km deep · 68 km away
9. 1.861 km SSE of Unalaska, AlaskaThu, Feb 11, 6:01 PM AKST · 2050 days ago · 29 km deep · 48 km away
10. 1.65 km ESE of Unalaska, AlaskaThu, Feb 11, 5:46 AM AKST · 2050 days ago · 10 km deep · 82 km away
11. 1.64 km ENE of Unalaska, AlaskaThu, Feb 11, 1:49 AM AKST · 2050 days ago · 11 km deep · 86 km away
12. 2.68 km SE of Unalaska, AlaskaWed, Feb 10, 9:09 PM AKST · 2051 days ago · 9 km deep · 80 km away
13. 3.2108 km ESE of Nikolski, AlaskaWed, Feb 10, 12:46 AM AKST · 2051 days ago · 17 km deep · 91 km away
14. 1.677 km SW of Unalaska, AlaskaTue, Feb 9, 9:10 PM AKST · 2052 days ago · 13 km deep · 58 km away
15. 1.688 km SSW of Unalaska, AlaskaTue, Feb 9, 4:16 AM AKST · 2052 days ago · 26 km deep · 27 km away
16. 3.988 km SSW of Unalaska, AlaskaMon, Feb 8, 3:34 AM AKST · 2053 days ago · 44 km deep · 31 km away
17. 2.890 km SSW of Unalaska, AlaskaMon, Feb 8, 2:36 AM AKST · 2053 days ago · 26 km deep · 27 km away
18. 1.987 km ENE of Nikolski, AlaskaSun, Feb 7, 12:49 AM AKST · 2054 days ago · 73 km deep · 77 km away
19. 3.254 km SE of Unalaska, AlaskaSat, Feb 6, 6:32 PM AKST · 2055 days ago · 35 km deep · 72 km away
20. 1.66 km NNW of Dutch Harbor, AlaskaSat, Feb 6, 5:51 PM AKST · 2055 days ago · 7 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0212hd3kor. Read Wed, Sep 23, 2026, 8:55 PM UTC.