M1.6 earthquake 76 km S of Unalaska, Alaska

Magnitude

1.6 (ml), micro

Local time

Wed, Jan 20, 2021, 12:01 PM AKST

UTC

2021-01-20 21:01:17 UTC

Depth

0.8 km (0.5 mi), shallow

Epicenter

53.193° N, 166.425° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

10

• Unalaska, AlaskaPopulation 4,491. Forecast76 kmS

After

1. 3.390 km SE of Unalaska, AlaskaWed, Jan 20, 4:50 PM AKST · 2072 days ago · 21 km deep · 57 km away
2. 2.148 km SSW of Unalaska, AKThu, Jan 21, 2:50 AM AKST · 2072 days ago · 64 km deep · 35 km away
3. 1.538 km S of Akutan, AlaskaThu, Jan 21, 4:48 PM AKST · 2071 days ago · 46 km deep · 79 km away
4. 1.892 km E of Nikolski, AlaskaFri, Jan 22, 5:35 AM AKST · 2071 days ago · 22 km deep · 77 km away
5. 2.080 km SE of Akutan, AlaskaFri, Jan 22, 8:41 PM AKST · 2070 days ago · 25 km deep · 99 km away
6. 1.585 km SSW of Unalaska, AlaskaSun, Jan 24, 9:10 AM AKST · 2068 days ago · 5 km deep · 41 km away
7. 1.840 km ESE of Unalaska, AlaskaSun, Jan 24, 7:07 PM AKST · 2068 days ago · 28 km deep · 64 km away
8. 2.1104 km SSE of Akutan, AlaskaSun, Jan 24, 7:15 PM AKST · 2068 days ago · 26 km deep · 91 km away
9. 2.282 km SSW of Unalaska, AlaskaMon, Jan 25, 11:58 PM AKST · 2067 days ago · 26 km deep · 25 km away
10. 2.543 km S of Unalaska, AlaskaTue, Jan 26, 12:53 AM AKST · 2067 days ago · 63 km deep · 33 km away
11. 1.653 km SW of Unalaska, AlaskaWed, Jan 27, 5:34 AM AKST · 2066 days ago · 16 km deep · 66 km away
12. 4.068 km SSW of Unalaska, AlaskaWed, Jan 27, 10:29 AM AKST · 2065 days ago · 59 km deep · 31 km away
13. 1.993 km E of Nikolski, AlaskaWed, Jan 27, 11:05 AM AKST · 2065 days ago · 31 km deep · 74 km away
14. 1.760 km SSE of Unalaska, AlaskaWed, Jan 27, 11:57 AM AKST · 2065 days ago · 41 km deep · 30 km away
15. 3.476 km SSE of Akutan, AlaskaSat, Jan 30, 8:50 AM AKST · 2063 days ago · 35 km deep · 81 km away
16. 2.774 km SE of Unalaska, AlaskaSun, Jan 31, 4:29 AM AKST · 2062 days ago · 35 km deep · 44 km away
17. 2.3119 km S of Unalaska, AlaskaSun, Jan 31, 9:41 AM AKST · 2061 days ago · 19 km deep · 46 km away
18. 1.922 km SSE of Unalaska, AlaskaMon, Feb 1, 1:58 AM AKST · 2061 days ago · 90 km deep · 54 km away
19. 2.073 km S of Unalaska, AlaskaMon, Feb 1, 10:34 AM AKST · 2060 days ago · 25 km deep · 3 km away
20. 3.195 km E of Nikolski, AlaskaTue, Feb 2, 7:52 AM AKST · 2060 days ago · 35 km deep · 81 km away
21. 2.0134 km S of Unalaska, AlaskaTue, Feb 2, 4:32 PM AKST · 2059 days ago · 38 km deep · 59 km away
22. 1.596 km SSW of Unalaska, AlaskaWed, Feb 3, 4:36 PM AKST · 2058 days ago · 25 km deep · 50 km away
23. 2.082 km SE of Akutan, AlaskaThu, Feb 4, 5:26 PM AKST · 2057 days ago · 42 km deep · 97 km away
24. 2.074 km SSE of Akutan, AlaskaThu, Feb 4, 5:28 PM AKST · 2057 days ago · 57 km deep · 90 km away
25. 2.081 km SSE of Akutan, AlaskaThu, Feb 4, 6:35 PM AKST · 2057 days ago · 47 km deep · 92 km away
26. 2.2165 km SSE of Unalaska, AlaskaFri, Feb 5, 1:20 AM AKST · 2057 days ago · 26 km deep · 91 km away
27. 1.731 km ESE of Unalaska, AlaskaFri, Feb 5, 2:12 AM AKST · 2057 days ago · 68 km deep · 67 km away
28. 2.910 km NE of Dutch Harbor, AlaskaFri, Feb 5, 10:51 AM AKST · 2056 days ago · 18 km deep · 85 km away
29. 1.840 km SSW of Unalaska, AlaskaSat, Feb 6, 6:22 AM AKST · 2056 days ago · 73 km deep · 39 km away
30. 1.66 km NNW of Dutch Harbor, AlaskaSat, Feb 6, 5:51 PM AKST · 2055 days ago · 7 km deep · 85 km away
31. 3.254 km SE of Unalaska, AlaskaSat, Feb 6, 6:32 PM AKST · 2055 days ago · 35 km deep · 58 km away
32. 1.987 km ENE of Nikolski, AlaskaSun, Feb 7, 12:49 AM AKST · 2055 days ago · 73 km deep · 88 km away
33. 2.890 km SSW of Unalaska, AlaskaMon, Feb 8, 2:36 AM AKST · 2054 days ago · 26 km deep · 41 km away
34. 3.988 km SSW of Unalaska, AlaskaMon, Feb 8, 3:34 AM AKST · 2054 days ago · 44 km deep · 44 km away
35. 1.688 km SSW of Unalaska, AlaskaTue, Feb 9, 4:16 AM AKST · 2053 days ago · 26 km deep · 40 km away
36. 1.677 km SW of Unalaska, AlaskaTue, Feb 9, 9:10 PM AKST · 2052 days ago · 13 km deep · 66 km away
37. 2.68 km SE of Unalaska, AlaskaWed, Feb 10, 9:09 PM AKST · 2051 days ago · 9 km deep · 70 km away
38. 1.64 km ENE of Unalaska, AlaskaThu, Feb 11, 1:49 AM AKST · 2051 days ago · 11 km deep · 77 km away
39. 1.65 km ESE of Unalaska, AlaskaThu, Feb 11, 5:46 AM AKST · 2051 days ago · 10 km deep · 73 km away
40. 1.861 km SSE of Unalaska, AlaskaThu, Feb 11, 6:01 PM AKST · 2050 days ago · 29 km deep · 33 km away
41. 1.885 km E of Nikolski, AlaskaFri, Feb 12, 10:14 AM AKST · 2049 days ago · 10 km deep · 83 km away
42. 2.074 km SSE of Akutan, AlaskaSat, Feb 13, 1:04 PM AKST · 2048 days ago · 41 km deep · 78 km away
43. 2.7Fox Islands, Aleutian Islands, AlaskaMon, Feb 15, 11:21 AM AKST · 2046 days ago · 35 km deep · 38 km away
44. 2.013 km ENE of Dutch Harbor, AlaskaWed, Feb 17, 6:26 AM AKST · 2045 days ago · 95 km deep · 81 km away
45. 3.0135 km SSE of Unalaska, AlaskaFri, Feb 19, 1:58 AM AKST · 2043 days ago · 10 km deep · 75 km away
46. 2.072 km SE of Unalaska, AlaskaFri, Feb 19, 4:16 PM AKST · 2042 days ago · 22 km deep · 44 km away
47. 2.487 km SSE of Akutan, AlaskaSat, Feb 20, 4:23 PM AKST · 2041 days ago · 26 km deep · 83 km away
48. 1.584 km SW of Unalaska, AlaskaSat, Feb 20, 5:48 PM AKST · 2041 days ago · 14 km deep · 57 km away
49. 1.984 km S of Unalaska, AlaskaMon, Feb 22, 6:49 PM AKST · 2039 days ago · 5 km deep · 15 km away
50. 3.374 km SSW of Unalaska, AlaskaTue, Feb 23, 5:57 AM AKST · 2039 days ago · 35 km deep · 24 km away
51. 1.944 km SE of Akutan, AlaskaTue, Feb 23, 7:32 AM AKST · 2039 days ago · 52 km deep · 96 km away
52. 2.1118 km S of Unalaska, AlaskaTue, Feb 23, 4:05 PM AKST · 2038 days ago · 6 km deep · 48 km away
53. 2.1135 km S of Unalaska, AlaskaTue, Feb 23, 11:22 PM AKST · 2038 days ago · 37 km deep · 62 km away
54. 2.7Fox Islands, Aleutian Islands, AlaskaWed, Feb 24, 2:09 AM AKST · 2038 days ago · 20 km deep · 60 km away
55. 3.1133 km S of Unalaska, AlaskaWed, Feb 24, 2:45 AM AKST · 2038 days ago · 29 km deep · 61 km away
56. 2.8140 km S of Unalaska, AlaskaWed, Feb 24, 4:51 AM AKST · 2038 days ago · 10 km deep · 65 km away
57. 2.185 km SSE of Akutan, AlaskaThu, Feb 25, 11:28 PM AKST · 2036 days ago · 19 km deep · 64 km away
58. 3.279 km SSW of Unalaska, AlaskaSat, Feb 27, 8:43 AM AKST · 2035 days ago · 10 km deep · 45 km away
59. 2.295 km SSE of Akutan, AlaskaSun, Feb 28, 9:56 PM AKST · 2033 days ago · 26 km deep · 93 km away
60. 1.710 km WNW of Dutch Harbor, AlaskaMon, Mar 1, 4:41 AM AKST · 2033 days ago · 3 km deep · 83 km away

The first 60 of 80.

Before

1. 3.190 km SE of Unalaska, AlaskaTue, Jan 19, 11:56 PM AKST · 2073 days ago · 20 km deep · 55 km away
2. 1.995 km SW of Unalaska, AlaskaTue, Jan 19, 7:16 PM AKST · 2073 days ago · 64 km deep · 71 km away
3. 3.440 km ESE of Unalaska, AlaskaTue, Jan 19, 3:27 AM AKST · 2074 days ago · 72 km deep · 69 km away
4. 2.573 km E of Nikolski, AlaskaMon, Jan 18, 11:37 AM AKST · 2074 days ago · 35 km deep · 100 km away
5. 1.572 km WSW of Unalaska, AlaskaSun, Jan 17, 8:08 PM AKST · 2075 days ago · 13 km deep · 83 km away
6. 1.929 km ESE of Unalaska, AlaskaSun, Jan 17, 1:28 AM AKST · 2076 days ago · 72 km deep · 63 km away
7. 1.750 km SW of Unalaska, AlaskaSat, Jan 16, 8:14 PM AKST · 2076 days ago · 13 km deep · 67 km away
8. 2.077 km S of Unalaska, AlaskaSat, Jan 16, 6:13 AM AKST · 2077 days ago · 21 km deep · 17 km away
9. 1.875 km SSE of Akutan, AlaskaThu, Jan 14, 12:40 PM AKST · 2078 days ago · 49 km deep · 81 km away
10. 2.796 km SSW of Unalaska, AlaskaWed, Jan 13, 12:42 AM AKST · 2080 days ago · 32 km deep · 45 km away
11. 1.972 km WSW of Unalaska, AlaskaMon, Jan 11, 1:34 AM AKST · 2082 days ago · 14 km deep · 83 km away
12. 1.658 km SW of Unalaska, AlaskaMon, Jan 11, 12:53 AM AKST · 2082 days ago · 26 km deep · 66 km away
13. 2.074 km E of Nikolski, AlaskaSun, Jan 10, 10:20 AM AKST · 2082 days ago · 25 km deep · 93 km away
14. 2.3Fox Islands, Aleutian Islands, AlaskaFri, Jan 8, 7:37 PM AKST · 2084 days ago · 96 km deep · 49 km away
15. 1.571 km SE of Unalaska, AlaskaFri, Jan 8, 7:27 PM AKST · 2084 days ago · 26 km deep · 54 km away
16. 3.381 km S of Unalaska, AlaskaFri, Jan 8, 6:50 PM AKST · 2084 days ago · 35 km deep · 15 km away
17. 3.181 km SE of Unalaska, AlaskaFri, Jan 8, 11:01 AM AKST · 2084 days ago · 35 km deep · 58 km away
18. 1.855 km S of Akutan, AlaskaWed, Jan 6, 1:52 AM AKST · 2087 days ago · 25 km deep · 66 km away
19. 2.792 km E of Nikolski, AlaskaTue, Jan 5, 10:25 AM AKST · 2087 days ago · 84 km deep · 73 km away
20. 1.991 km SSE of Akutan, AKTue, Jan 5, 2:44 AM AKST · 2088 days ago · 24 km deep · 96 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021xf9amb. Read Thu, Sep 24, 2026, 5:22 AM UTC.