M4.3 earthquake 158 km S of False Pass, Alaska

Magnitude

4.3 (mb), light

Local time

Sat, Mar 27, 2021, 11:52 PM AKDT

UTC

2021-03-28 07:52:01 UTC

Depth

13.8 km (8.6 mi), shallow

Epicenter

53.433° N, 163.638° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 3.6 km horizontally, 4.9 km in depth

Magnitude uncertainty

±0.07

Depth from

From location

Station coverage gap

168°

Stations used

138

• Akutan, AlaskaPopulation 1,040. Forecast161 kmESE

After

1. 2.8152 km S of False Pass, AlaskaSun, Mar 28, 12:44 AM AKDT · 2005 days ago · 10 km deep · 8 km away
2. 2.8102 km SSE of False Pass, AlaskaSun, Mar 28, 7:23 AM AKDT · 2005 days ago · 10 km deep · 69 km away
3. 3.1Unimak Island region, AlaskaSun, Mar 28, 11:51 AM AKDT · 2005 days ago · 66 km deep · 82 km away
4. 2.8140 km SE of Akutan, AlaskaWed, Mar 31, 5:17 AM AKDT · 2002 days ago · 24 km deep · 44 km away
5. 2.098 km SSE of False Pass, AlaskaThu, Apr 1, 10:26 PM AKDT · 2000 days ago · 4 km deep · 72 km away
6. 2.794 km ESE of Akutan, AlaskaFri, Apr 2, 1:02 AM AKDT · 2000 days ago · 50 km deep · 75 km away
7. 2.769 km ESE of Akutan, AlaskaFri, Apr 2, 9:56 AM AKDT · 2000 days ago · 59 km deep · 95 km away
8. 2.7109 km SSW of False Pass, AlaskaFri, Apr 2, 11:44 PM AKDT · 1999 days ago · 34 km deep · 55 km away
9. 2.8101 km SSW of False Pass, AlaskaSat, Apr 3, 8:54 AM AKDT · 1999 days ago · 23 km deep · 66 km away
10. 2.9106 km SSE of False Pass, AlaskaSun, Apr 4, 6:02 PM AKDT · 1998 days ago · 18 km deep · 67 km away
11. 1.882 km S of False Pass, AlaskaMon, Apr 5, 8:33 AM AKDT · 1997 days ago · 26 km deep · 77 km away
12. 1.979 km SE of Akutan, AlaskaTue, Apr 6, 1:57 AM AKDT · 1996 days ago · 61 km deep · 88 km away
13. 2.3115 km S of False Pass, AlaskaFri, Apr 9, 4:47 AM AKDT · 1993 days ago · 26 km deep · 44 km away
14. 2.2104 km ESE of Akutan, AlaskaSun, Apr 11, 1:22 AM AKDT · 1991 days ago · 26 km deep · 63 km away
15. 1.8Unimak Island region, AlaskaTue, Apr 13, 7:41 PM AKDT · 1989 days ago · 26 km deep · 53 km away
16. 2.087 km S of False Pass, AlaskaWed, Apr 14, 10:13 AM AKDT · 1988 days ago · 26 km deep · 73 km away
17. 2.6112 km S of False Pass, AlaskaWed, Apr 14, 5:34 PM AKDT · 1988 days ago · 13 km deep · 49 km away
18. 1.882 km SE of Akutan, AlaskaFri, Apr 16, 5:57 PM AKDT · 1986 days ago · 60 km deep · 84 km away
19. 1.8116 km ESE of Akutan, AlaskaFri, Apr 16, 9:27 PM AKDT · 1985 days ago · 18 km deep · 50 km away
20. 2.096 km SSW of False Pass, AlaskaSat, Apr 17, 12:41 AM AKDT · 1985 days ago · 21 km deep · 80 km away
21. 1.797 km SE of Akutan, AlaskaSat, Apr 17, 9:09 PM AKDT · 1984 days ago · 25 km deep · 73 km away
22. 1.8119 km S of False Pass, AlaskaSat, Apr 17, 9:30 PM AKDT · 1984 days ago · 26 km deep · 46 km away
23. 2.5218 km SE of Akutan, AlaskaSat, Apr 17, 11:37 PM AKDT · 1984 days ago · 10 km deep · 81 km away
24. 1.5103 km ESE of Akutan, AlaskaSun, Apr 18, 7:01 AM AKDT · 1984 days ago · 52 km deep · 63 km away
25. 2.2237 km S of False Pass, AlaskaSun, Apr 18, 7:34 AM AKDT · 1984 days ago · 3 km deep · 98 km away
26. 1.778 km ESE of Akutan, AlaskaSun, Apr 18, 7:49 PM AKDT · 1984 days ago · 26 km deep · 87 km away
27. 3.2108 km ESE of Akutan, AlaskaMon, Apr 19, 4:05 AM AKDT · 1983 days ago · 21 km deep · 57 km away
28. 2.288 km SE of Akutan, AlaskaTue, Apr 20, 7:00 AM AKDT · 1982 days ago · 51 km deep · 84 km away
29. 2.2113 km SSE of Akutan, AlaskaThu, Apr 22, 1:32 PM AKDT · 1980 days ago · 25 km deep · 97 km away
30. 3.9149 km S of False Pass, AlaskaThu, Apr 22, 3:25 PM AKDT · 1980 days ago · 18 km deep · 17 km away
31. 3.0152 km S of False Pass, AlaskaThu, Apr 22, 3:50 PM AKDT · 1980 days ago · 10 km deep · 14 km away
32. 3.5100 km ESE of Akutan, AlaskaThu, Apr 22, 11:49 PM AKDT · 1979 days ago · 19 km deep · 69 km away
33. 2.8118 km ESE of Akutan, AlaskaFri, Apr 23, 3:40 AM AKDT · 1979 days ago · 35 km deep · 45 km away
34. 2.6160 km S of False Pass, AlaskaFri, Apr 23, 1:31 PM AKDT · 1979 days ago · 10 km deep · 12 km away
35. 2.798 km SSE of False Pass, AlaskaFri, Apr 23, 5:51 PM AKDT · 1979 days ago · 10 km deep · 83 km away
36. 2.8151 km S of False Pass, AlaskaSat, Apr 24, 5:22 PM AKDT · 1978 days ago · 10 km deep · 29 km away
37. 2.2154 km SE of Akutan, AlaskaSat, Apr 24, 8:17 PM AKDT · 1977 days ago · 5 km deep · 68 km away
38. 1.9141 km SE of Akutan, AlaskaSun, Apr 25, 7:40 AM AKDT · 1977 days ago · 15 km deep · 61 km away
39. 1.9121 km SE of Akutan, AlaskaSun, Apr 25, 4:48 PM AKDT · 1977 days ago · 51 km deep · 64 km away
40. 1.7100 km ESE of Akutan, AlaskaMon, Apr 26, 3:01 AM AKDT · 1976 days ago · 38 km deep · 72 km away
41. 1.899 km ESE of Akutan, AlaskaMon, Apr 26, 5:42 AM AKDT · 1976 days ago · 26 km deep · 72 km away
42. 2.1106 km ESE of Akutan, AlaskaMon, Apr 26, 3:45 PM AKDT · 1976 days ago · 43 km deep · 59 km away
43. 2.0Unimak Island region, AlaskaTue, Apr 27, 4:21 AM AKDT · 1975 days ago · 40 km deep · 71 km away
44. 2.7165 km ESE of Akutan, AlaskaTue, Apr 27, 3:33 PM AKDT · 1975 days ago · 20 km deep · 8 km away
45. 2.2Unimak Island region, AlaskaTue, Apr 27, 7:52 PM AKDT · 1975 days ago · 38 km deep · 46 km away
46. 2.0114 km ESE of Akutan, AlaskaTue, Apr 27, 10:50 PM AKDT · 1974 days ago · 26 km deep · 53 km away
47. 2.0105 km ESE of Akutan, AlaskaWed, Apr 28, 4:15 AM AKDT · 1974 days ago · 67 km deep · 69 km away
48. 2.1114 km ESE of Akutan, AlaskaWed, Apr 28, 4:17 AM AKDT · 1974 days ago · 26 km deep · 53 km away
49. 1.987 km ESE of Akutan, AlaskaWed, Apr 28, 7:13 AM AKDT · 1974 days ago · 50 km deep · 80 km away
50. 2.597 km SSE of False Pass, AlaskaThu, Apr 29, 5:27 AM AKDT · 1973 days ago · 7 km deep · 95 km away
51. 2.8133 km SE of Akutan, AlaskaMon, May 3, 9:40 AM AKDT · 1969 days ago · 10 km deep · 72 km away
52. 2.170 km SE of Akutan, AlaskaMon, May 3, 4:49 PM AKDT · 1969 days ago · 75 km deep · 91 km away
53. 3.384 km SSE of False Pass, AlaskaSun, May 9, 11:43 AM AKDT · 1963 days ago · 13 km deep · 99 km away
54. 3.5156 km SSE of False Pass, AlaskaWed, May 12, 1:34 AM AKDT · 1960 days ago · 10 km deep · 51 km away
55. 3.6148 km SSE of False Pass, AlaskaThu, May 13, 12:10 AM AKDT · 1959 days ago · 10 km deep · 55 km away
56. 2.191 km SE of Akutan, AlaskaFri, May 14, 3:03 AM AKDT · 1958 days ago · 37 km deep · 76 km away
57. 2.7110 km ESE of Akutan, AlaskaSun, May 16, 5:29 AM AKDT · 1956 days ago · 34 km deep · 54 km away
58. 1.773 km ESE of Akutan, AlaskaMon, May 17, 12:17 AM AKDT · 1955 days ago · 32 km deep · 87 km away
59. 2.6206 km SSE of False Pass, AlaskaWed, May 19, 6:10 PM AKDT · 1953 days ago · 18 km deep · 77 km away
60. 3.593 km ESE of Akutan, AlaskaMon, May 24, 10:57 PM AKDT · 1947 days ago · 28 km deep · 67 km away

Before

1. 3.080 km ESE of Akutan, AlaskaSat, Mar 27, 3:39 PM AKDT · 2006 days ago · 27 km deep · 81 km away
2. 2.288 km SE of Akutan, AlaskaSat, Mar 27, 1:34 AM AKDT · 2006 days ago · 47 km deep · 80 km away
3. 3.1215 km SSE of False Pass, AlaskaFri, Mar 26, 8:12 AM AKDT · 2007 days ago · 20 km deep · 99 km away
4. 2.694 km SSE of False Pass, AlaskaThu, Mar 25, 11:31 PM AKDT · 2007 days ago · 27 km deep · 85 km away
5. 2.2102 km S of False Pass, AlaskaWed, Mar 24, 11:08 PM AKDT · 2008 days ago · 26 km deep · 57 km away
6. 2.198 km ESE of Akutan, AlaskaWed, Mar 24, 9:53 PM AKDT · 2008 days ago · 47 km deep · 68 km away
7. 2.7144 km S of False Pass, AlaskaWed, Mar 24, 8:41 PM AKDT · 2008 days ago · 30 km deep · 17 km away
8. 2.3133 km SE of Akutan, AlaskaMon, Mar 22, 8:39 AM AKDT · 2011 days ago · 17 km deep · 35 km away
9. 2.8241 km S of False Pass, AlaskaMon, Mar 22, 1:52 AM AKDT · 2011 days ago · 27 km deep · 95 km away
10. 1.790 km S of False Pass, AlaskaSun, Mar 21, 6:06 PM AKDT · 2012 days ago · 26 km deep · 73 km away
11. 2.1108 km SSW of False Pass, AlaskaFri, Mar 19, 6:46 PM AKDT · 2014 days ago · 51 km deep · 58 km away
12. 2.1113 km SSW of False Pass, AlaskaWed, Mar 17, 10:26 PM AKDT · 2015 days ago · 27 km deep · 51 km away
13. 1.988 km SSW of False Pass, AlaskaWed, Mar 17, 3:02 AM AKDT · 2016 days ago · 28 km deep · 92 km away
14. 2.0105 km E of Akutan, AlaskaWed, Mar 17, 12:03 AM AKDT · 2016 days ago · 40 km deep · 74 km away
15. 2.075 km ESE of Akutan, AlaskaTue, Mar 16, 11:51 PM AKDT · 2016 days ago · 44 km deep · 86 km away
16. 2.686 km SE of Akutan, AlaskaTue, Mar 16, 3:33 PM AKDT · 2017 days ago · 64 km deep · 76 km away
17. 3.189 km SE of Akutan, AlaskaTue, Mar 16, 2:22 PM AKDT · 2017 days ago · 35 km deep · 73 km away
18. 2.180 km SE of Akutan, AlaskaTue, Mar 16, 2:13 PM AKDT · 2017 days ago · 61 km deep · 81 km away
19. 2.579 km E of Akutan, AlaskaMon, Mar 15, 4:27 PM AKDT · 2018 days ago · 35 km deep · 92 km away
20. 3.1156 km S of False Pass, AlaskaMon, Mar 15, 5:52 AM AKDT · 2018 days ago · 25 km deep · 16 km away

From the USGS Earthquake Hazards Program and its partner networks, event us6000dx4w (also filed as ak0214008dqy). Read Wed, Sep 23, 2026, 3:29 PM UTC.