M4.5 earthquake 84 km S of False Pass, Alaska

Magnitude

4.5 (mwr), light

Local time

Sun, Oct 28, 2018, 5:33 AM AKDT

UTC

2018-10-28 13:33:21 UTC

Depth

38.6 km (24.0 mi), shallow

Epicenter

54.094° N, 163.530° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Faulting

Oblique normal

Moment magnitude

4.5 Mwr

Nodal plane 1

Strike 82°, dip 25°, rake -56°

Nodal plane 2

Strike 225°, dip 70°, rake -105°

Location uncertainty

About 2.8 km horizontally, 5.8 km in depth

Magnitude uncertainty

±0.06

Depth from

From location

Station coverage gap

92°

Stations used

99

• King Cove, AlaskaPopulation 1,009. Forecast133 kmSW

After

1. 1.887 km S of False Pass, AlaskaMon, Oct 29, 5:56 PM AKDT · 2892 days ago · 38 km deep · 3 km away
2. 4.5117 km SSW of False Pass, AlaskaTue, Oct 30, 1:30 AM AKDT · 2892 days ago · 10 km deep · 40 km away · felt by 1
3. 1.8109 km SSW of False Pass, AlaskaTue, Oct 30, 2:15 AM AKDT · 2892 days ago · 26 km deep · 33 km away
4. 1.9113 km SSW of False Pass, AlaskaTue, Oct 30, 3:38 AM AKDT · 2892 days ago · 17 km deep · 36 km away
5. 2.1107 km SSW of False Pass, AlaskaTue, Oct 30, 3:53 AM AKDT · 2892 days ago · 38 km deep · 37 km away
6. 2.4114 km ESE of Akutan, AlaskaFri, Nov 2, 11:47 PM AKDT · 2888 days ago · 26 km deep · 57 km away
7. 2.2103 km SSW of False Pass, AlaskaSun, Nov 4, 1:01 PM AKST · 2886 days ago · 26 km deep · 25 km away
8. 2.651 km SSW of King Cove, AlaskaSun, Nov 4, 3:25 PM AKST · 2886 days ago · 61 km deep · 88 km away
9. 1.977 km S of King Cove, AlaskaMon, Nov 5, 12:36 AM AKST · 2886 days ago · 16 km deep · 81 km away
10. 2.589 km SW of False Pass, AlaskaThu, Nov 8, 12:09 PM AKST · 2882 days ago · 35 km deep · 46 km away
11. 2.194 km SSW of False Pass, AlaskaFri, Nov 9, 4:23 AM AKST · 2882 days ago · 21 km deep · 40 km away
12. 2.642 km SSE of False Pass, AlaskaSat, Nov 10, 5:31 AM AKST · 2881 days ago · 16 km deep · 50 km away
13. 2.172 km ESE of Akutan, AlaskaTue, Nov 13, 1:55 AM AKST · 2878 days ago · 61 km deep · 89 km away
14. 2.3114 km ESE of Akutan, AlaskaTue, Nov 13, 11:27 PM AKST · 2877 days ago · 11 km deep · 59 km away
15. 2.4115 km SSW of False Pass, AlaskaWed, Nov 14, 2:39 AM AKST · 2877 days ago · 26 km deep · 37 km away
16. 2.2112 km ESE of Akutan, AlaskaWed, Nov 14, 4:46 AM AKST · 2877 days ago · 17 km deep · 58 km away
17. 3.4114 km ESE of Akutan, AlaskaWed, Nov 14, 9:58 AM AKST · 2877 days ago · 35 km deep · 59 km away
18. 2.396 km SSE of False Pass, AlaskaThu, Nov 15, 1:48 AM AKST · 2876 days ago · 16 km deep · 41 km away
19. 2.092 km E of Akutan, AlaskaThu, Nov 15, 3:50 AM AKST · 2876 days ago · 73 km deep · 55 km away
20. 2.3112 km S of False Pass, AlaskaThu, Nov 15, 5:15 PM AKST · 2875 days ago · 26 km deep · 36 km away
21. 2.2107 km ESE of Akutan, AlaskaSat, Nov 17, 4:06 AM AKST · 2874 days ago · 10 km deep · 63 km away
22. 2.3139 km S of False Pass, AlaskaSat, Nov 17, 2:49 PM AKST · 2873 days ago · 36 km deep · 62 km away
23. 2.5105 km SSE of False Pass, AlaskaSat, Nov 17, 4:46 PM AKST · 2873 days ago · 10 km deep · 67 km away
24. 2.479 km S of False Pass, AlaskaSun, Nov 18, 9:22 AM AKST · 2873 days ago · 17 km deep · 24 km away
25. 3.380 km SSW of False Pass, AlaskaMon, Nov 19, 1:15 AM AKST · 2872 days ago · 70 km deep · 36 km away
26. 3.9157 km ESE of Akutan, AlaskaMon, Nov 19, 4:55 AM AKST · 2872 days ago · 25 km deep · 73 km away
27. 2.186 km ESE of Akutan, AlaskaMon, Nov 19, 6:46 PM AKST · 2871 days ago · 59 km deep · 74 km away
28. 2.035 km SSW of False Pass, AlaskaThu, Nov 22, 4:26 AM AKST · 2869 days ago · 5 km deep · 50 km away
29. 2.287 km ESE of Akutan, AlaskaThu, Nov 22, 10:22 AM AKST · 2869 days ago · 46 km deep · 63 km away
30. 2.197 km E of Akutan, AlaskaSat, Nov 24, 9:42 AM AKST · 2867 days ago · 33 km deep · 51 km away
31. 2.2108 km ESE of Akutan, AlaskaSun, Nov 25, 1:19 AM AKST · 2866 days ago · 26 km deep · 56 km away
32. 2.497 km SSW of False Pass, AlaskaSun, Nov 25, 5:40 AM AKST · 2866 days ago · 46 km deep · 17 km away
33. 2.4106 km ESE of Akutan, AlaskaSun, Nov 25, 6:58 AM AKST · 2866 days ago · 42 km deep · 56 km away
34. 2.2104 km S of False Pass, AlaskaSun, Dec 2, 1:00 PM AKST · 2858 days ago · 26 km deep · 20 km away
35. 2.486 km SSE of False Pass, AlaskaSun, Dec 2, 1:34 PM AKST · 2858 days ago · 14 km deep · 28 km away
36. 2.29 km E of False Pass, AlaskaSun, Dec 2, 6:19 PM AKST · 2858 days ago · 4 km deep · 87 km away
37. 2.955 km ESE of Akutan, AlaskaWed, Dec 5, 6:58 AM AKST · 2856 days ago · 70 km deep · 99 km away
38. 2.136 km SSE of False Pass, AlaskaThu, Dec 6, 3:24 PM AKST · 2854 days ago · 16 km deep · 52 km away
39. 3.6157 km SSE of False Pass, AlaskaSun, Dec 9, 6:51 AM AKST · 2852 days ago · 10 km deep · 83 km away
40. 2.869 km S of False Pass, AlaskaSun, Dec 9, 3:59 PM AKST · 2851 days ago · 89 km deep · 17 km away
41. 2.3113 km SSW of False Pass, AlaskaSun, Dec 9, 10:03 PM AKST · 2851 days ago · 26 km deep · 35 km away
42. 2.6163 km ESE of Akutan, AlaskaMon, Dec 10, 10:47 AM AKST · 2851 days ago · 26 km deep · 80 km away
43. 2.3104 km ESE of Akutan, AlaskaTue, Dec 11, 2:08 PM AKST · 2849 days ago · 62 km deep · 56 km away
44. 2.593 km SE of False Pass, AlaskaFri, Dec 14, 12:06 AM AKST · 2847 days ago · 8 km deep · 63 km away
45. 3.0Unimak Island region, AlaskaSun, Dec 16, 6:42 AM AKST · 2845 days ago · 25 km deep · 91 km away
46. 2.4106 km SSW of False Pass, AlaskaSun, Dec 16, 7:06 AM AKST · 2845 days ago · 26 km deep · 25 km away
47. 2.388 km SE of Akutan, AlaskaTue, Dec 18, 12:14 PM AKST · 2842 days ago · 54 km deep · 95 km away
48. 2.6109 km S of False Pass, AlaskaWed, Dec 19, 2:24 AM AKST · 2842 days ago · 15 km deep · 25 km away
49. 2.275 km ENE of Akutan, AlaskaWed, Dec 19, 5:32 AM AKST · 2842 days ago · 12 km deep · 94 km away
50. 3.8111 km ESE of Akutan, AlaskaThu, Dec 20, 7:51 AM AKST · 2841 days ago · 53 km deep · 51 km away
51. 2.5106 km SSE of False Pass, AlaskaThu, Dec 20, 10:13 PM AKST · 2840 days ago · 25 km deep · 60 km away
52. 2.274 km S of False Pass, AlaskaSun, Dec 23, 11:25 AM AKST · 2837 days ago · 18 km deep · 23 km away
53. 3.6172 km S of False Pass, AlaskaSun, Dec 23, 8:59 PM AKST · 2837 days ago · 10 km deep · 88 km away
54. 2.8167 km S of False Pass, AlaskaMon, Dec 24, 11:58 AM AKST · 2836 days ago · 21 km deep · 83 km away
55. 2.596 km SE of False Pass, AlaskaWed, Dec 26, 11:13 AM AKST · 2835 days ago · 37 km deep · 69 km away
56. 2.589 km SE of False Pass, AlaskaWed, Dec 26, 12:03 PM AKST · 2834 days ago · 21 km deep · 65 km away
57. 2.338 km S of False Pass, AlaskaWed, Dec 26, 1:50 PM AKST · 2834 days ago · 73 km deep · 46 km away
58. 2.115 km SSW of False Pass, AlaskaWed, Dec 26, 5:43 PM AKST · 2834 days ago · 122 km deep · 70 km away
59. 2.089 km SW of False Pass, AlaskaWed, Dec 26, 10:14 PM AKST · 2834 days ago · 75 km deep · 56 km away

Before

1. 1.991 km SE of Akutan, AlaskaThu, Oct 25, 3:23 AM AKDT · 2897 days ago · 17 km deep · 95 km away
2. 3.659 km S of King Cove, AlaskaTue, Oct 23, 3:30 AM AKDT · 2899 days ago · 88 km deep · 87 km away
3. 3.099 km S of False Pass, AlaskaMon, Oct 22, 11:50 PM AKDT · 2899 days ago · 17 km deep · 30 km away
4. 1.82 km SE of False Pass, AlaskaSat, Oct 20, 12:51 PM AKDT · 2901 days ago · 0 km deep · 83 km away
5. 1.792 km SE of Akutan, AlaskaSat, Oct 20, 3:05 AM AKDT · 2902 days ago · 18 km deep · 88 km away
6. 2.2141 km SE of Akutan, AlaskaFri, Oct 19, 3:07 PM AKDT · 2902 days ago · 17 km deep · 98 km away
7. 2.396 km S of False Pass, AlaskaFri, Oct 19, 5:48 AM AKDT · 2903 days ago · 24 km deep · 13 km away
8. 3.03 km S of False Pass, AlaskaThu, Oct 18, 10:23 AM AKDT · 2904 days ago · 112 km deep · 81 km away
9. 2.9112 km ESE of Akutan, AlaskaTue, Oct 16, 10:01 PM AKDT · 2905 days ago · 21 km deep · 56 km away
10. 3.720 km SE of False Pass, AlaskaMon, Oct 15, 8:36 AM AKDT · 2907 days ago · 112 km deep · 73 km away
11. 2.151 km S of False Pass, AlaskaSun, Oct 14, 6:29 PM AKDT · 2907 days ago · 60 km deep · 33 km away
12. 2.0102 km SE of Akutan, AlaskaFri, Oct 12, 6:01 PM AKDT · 2909 days ago · 26 km deep · 88 km away
13. 2.7179 km S of False Pass, AlaskaWed, Oct 10, 1:36 AM AKDT · 2912 days ago · 10 km deep · 98 km away
14. 3.145 km SSE of False Pass, AlaskaMon, Oct 8, 3:06 PM AKDT · 2913 days ago · 10 km deep · 47 km away
15. 2.199 km S of False Pass, AlaskaSat, Oct 6, 7:45 PM AKDT · 2915 days ago · 26 km deep · 15 km away
16. 2.028 km SE of False Pass, AlaskaFri, Oct 5, 8:51 PM AKDT · 2916 days ago · 14 km deep · 71 km away
17. 3.2115 km SSW of False Pass, AlaskaThu, Oct 4, 2:04 AM AKDT · 2918 days ago · 41 km deep · 38 km away
18. 2.9104 km S of False Pass, AlaskaTue, Oct 2, 8:08 PM AKDT · 2919 days ago · 35 km deep · 21 km away
19. 2.185 km S of False Pass, AlaskaTue, Oct 2, 6:45 AM AKDT · 2920 days ago · 43 km deep · 6 km away
20. 2.231 km S of False Pass, AlaskaMon, Oct 1, 4:32 AM AKDT · 2921 days ago · 13 km deep · 54 km away

From the USGS Earthquake Hazards Program and its partner networks, event us1000hi81 (also filed as ak20295501, ak018du0p7n6). Read Wed, Sep 30, 2026, 7:52 AM UTC.