M1.8 earthquake 66 km WSW of Unalaska, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Tue, Dec 22, 2015, 9:47 PM AKST

UTC

2015-12-23 06:47:02 UTC

Depth

13.4 km (8.3 mi), shallow

Epicenter

53.627° N, 167.453° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

20

• Unalaska, AlaskaPopulation 4,491. Forecast66 kmWSW

After

1. 2.078 km S of Unalaska, AlaskaWed, Dec 23, 9:29 AM AKST · 3938 days ago · 34 km deep · 77 km away
2. 2.580 km S of Unalaska, AlaskaThu, Dec 24, 11:01 AM AKST · 3937 days ago · 26 km deep · 70 km away
3. 2.2Fox Islands, Aleutian Islands, AlaskaSat, Dec 26, 2:04 AM AKST · 3935 days ago · 57 km deep · 61 km away
4. 2.061 km S of Unalaska, AlaskaSat, Dec 26, 10:52 AM AKST · 3935 days ago · 38 km deep · 79 km away
5. 2.644 km SSW of Unalaska, AlaskaSat, Dec 26, 1:50 PM AKST · 3935 days ago · 95 km deep · 45 km away
6. 2.777 km SSW of Unalaska, AlaskaSun, Dec 27, 3:08 AM AKST · 3934 days ago · 44 km deep · 62 km away
7. 1.982 km S of Unalaska, AlaskaTue, Dec 29, 10:51 PM AKST · 3932 days ago · 20 km deep · 74 km away
8. 1.995 km S of Unalaska, AlaskaWed, Dec 30, 1:19 PM AKST · 3931 days ago · 24 km deep · 83 km away
9. 2.247 km NE of Nikolski, AlaskaFri, Jan 1, 2:52 PM AKST · 3929 days ago · 12 km deep · 74 km away
10. 1.838 km S of Unalaska, AlaskaSat, Jan 2, 11:00 AM AKST · 3928 days ago · 21 km deep · 58 km away
11. 1.990 km SSW of Unalaska, AlaskaSat, Jan 2, 9:13 PM AKST · 3928 days ago · 47 km deep · 62 km away
12. 1.6109 km W of Dutch Harbor, AlaskaSun, Jan 3, 9:26 AM AKST · 3927 days ago · 36 km deep · 56 km away
13. 2.595 km SSW of Unalaska, AlaskaSun, Jan 3, 10:50 PM AKST · 3927 days ago · 60 km deep · 59 km away
14. 3.752 km ENE of Nikolski, AlaskaTue, Jan 5, 5:59 PM AKST · 3925 days ago · 100 km deep · 70 km away
15. 3.633 km SE of Unalaska, AlaskaFri, Jan 8, 12:40 PM AKST · 3922 days ago · 70 km deep · 87 km away
16. 3.078 km S of Unalaska, AlaskaSun, Jan 10, 7:25 AM AKST · 3920 days ago · 16 km deep · 73 km away
17. 1.622 km SSE of Unalaska, AlaskaMon, Jan 11, 6:32 PM AKST · 3919 days ago · 75 km deep · 66 km away
18. 2.061 km SW of Unalaska, AlaskaTue, Jan 12, 9:41 AM AKST · 3918 days ago · 16 km deep · 23 km away
19. 2.085 km S of Unalaska, AlaskaWed, Jan 13, 12:17 PM AKST · 3917 days ago · 18 km deep · 77 km away
20. 4.179 km S of Unalaska, AlaskaThu, Jan 14, 10:26 PM AKST · 3916 days ago · 26 km deep · 69 km away
21. 2.778 km NE of Nikolski, AlaskaSat, Jan 16, 11:17 PM AKST · 3914 days ago · 77 km deep · 44 km away
22. 2.137 km E of Nikolski, AlaskaSun, Jan 17, 4:25 PM AKST · 3913 days ago · 49 km deep · 98 km away
23. 2.148 km SSE of Unalaska, AlaskaMon, Jan 18, 3:32 AM AKST · 3912 days ago · 48 km deep · 86 km away
24. 1.9107 km E of Nikolski, AlaskaTue, Jan 19, 6:05 AM AKST · 3911 days ago · 25 km deep · 88 km away
25. 1.715 km SW of Unalaska, AlaskaThu, Jan 21, 6:59 PM AKST · 3909 days ago · 100 km deep · 53 km away
26. 2.07 km ENE of Unalaska, AlaskaFri, Jan 29, 12:22 PM AKST · 3901 days ago · 12 km deep · 74 km away
27. 1.670 km WSW of Unalaska, AlaskaSat, Jan 30, 7:08 PM AKST · 3900 days ago · 10 km deep · 5 km away
28. 1.657 km SW of Unalaska, AlaskaSun, Jan 31, 9:35 AM AKST · 3899 days ago · 14 km deep · 21 km away
29. 1.57 km ENE of Unalaska, AlaskaSun, Jan 31, 11:34 AM AKST · 3899 days ago · 9 km deep · 74 km away
30. 2.071 km WSW of Unalaska, AlaskaSun, Jan 31, 12:38 PM AKST · 3899 days ago · 13 km deep · 7 km away
31. 1.672 km SW of Unalaska, AlaskaMon, Feb 1, 4:03 PM AKST · 3898 days ago · 21 km deep · 26 km away
32. 2.059 km E of Nikolski, AlaskaThu, Feb 4, 10:28 AM AKST · 3895 days ago · 43 km deep · 82 km away
33. 2.135 km SSW of Unalaska, AlaskaThu, Feb 4, 4:56 PM AKST · 3895 days ago · 76 km deep · 42 km away
34. 1.749 km SW of Unalaska, AlaskaFri, Feb 5, 4:17 AM AKST · 3894 days ago · 15 km deep · 23 km away
35. 1.737 km WSW of Unalaska, AlaskaFri, Feb 5, 8:16 AM AKST · 3894 days ago · 15 km deep · 29 km away
36. 1.68 km NNW of Dutch Harbor, AlaskaFri, Feb 5, 4:17 PM AKST · 3894 days ago · 7 km deep · 68 km away
37. 2.884 km E of Nikolski, AlaskaFri, Feb 5, 9:22 PM AKST · 3894 days ago · 76 km deep · 62 km away
38. 1.657 km SW of Unalaska, AlaskaFri, Feb 5, 10:09 PM AKST · 3894 days ago · 13 km deep · 14 km away
39. 1.653 km SW of Unalaska, AlaskaSat, Feb 6, 7:15 AM AKST · 3893 days ago · 13 km deep · 19 km away
40. 1.867 km SW of Unalaska, AlaskaSun, Feb 7, 4:17 AM AKST · 3892 days ago · 9 km deep · 25 km away
41. 1.877 km WSW of Unalaska, AlaskaTue, Feb 9, 12:20 AM AKST · 3890 days ago · 27 km deep · 13 km away
42. 1.661 km S of Unalaska, AlaskaTue, Feb 9, 12:29 AM AKST · 3890 days ago · 27 km deep · 60 km away
43. 1.850 km SSE of Unalaska, AlaskaThu, Feb 11, 8:07 AM AKST · 3888 days ago · 45 km deep · 89 km away
44. 2.843 km SSW of Unalaska, AlaskaFri, Feb 12, 7:59 AM AKST · 3887 days ago · 73 km deep · 38 km away
45. 3.672 km SSW of Unalaska, AlaskaMon, Feb 15, 5:43 AM AKST · 3884 days ago · 46 km deep · 56 km away
46. 2.777 km SSW of Unalaska, AlaskaMon, Feb 15, 8:57 AM AKST · 3884 days ago · 26 km deep · 64 km away · felt by 1
47. 1.887 km ESE of Nikolski, AlaskaMon, Feb 15, 5:19 PM AKST · 3884 days ago · 49 km deep · 94 km away
48. 1.536 km S of Unalaska, AlaskaMon, Feb 15, 8:18 PM AKST · 3884 days ago · 67 km deep · 61 km away
49. 2.123 km SSE of Unalaska, AlaskaFri, Feb 19, 12:16 AM AKST · 3880 days ago · 75 km deep · 71 km away
50. 1.643 km SW of Unalaska, AlaskaSat, Feb 20, 10:35 AM AKST · 3879 days ago · 5 km deep · 33 km away
51. 2.4110 km S of Unalaska, AlaskaSat, Feb 20, 1:43 PM AKST · 3879 days ago · 11 km deep · 93 km away
52. 1.522 km W of Dutch Harbor, AlaskaSat, Feb 20, 8:21 PM AKST · 3879 days ago · 5 km deep · 46 km away

Before

1. 1.733 km SSW of Unalaska, AlaskaTue, Dec 22, 12:17 PM AKST · 3939 days ago · 70 km deep · 45 km away
2. 3.887 km ENE of Nikolski, AlaskaTue, Dec 22, 12:03 PM AKST · 3939 days ago · 97 km deep · 35 km away
3. 1.829 km ESE of Unalaska, AlaskaSun, Dec 20, 5:57 PM AKST · 3941 days ago · 72 km deep · 87 km away
4. 2.376 km ENE of Nikolski, AlaskaThu, Dec 17, 3:58 PM AKST · 3944 days ago · 77 km deep · 47 km away
5. 2.177 km E of Nikolski, AlaskaWed, Dec 16, 12:27 PM AKST · 3945 days ago · 33 km deep · 91 km away
6. 2.185 km ENE of Nikolski, AlaskaWed, Dec 16, 9:37 AM AKST · 3945 days ago · 49 km deep · 58 km away
7. 1.770 km ESE of Nikolski, AlaskaWed, Dec 16, 2:16 AM AKST · 3945 days ago · 23 km deep · 94 km away
8. 2.371 km ESE of Nikolski, AlaskaTue, Dec 15, 12:46 AM AKST · 3946 days ago · 26 km deep · 99 km away
9. 2.570 km ESE of Nikolski, AlaskaMon, Dec 14, 12:37 PM AKST · 3947 days ago · 26 km deep · 100 km away
10. 5.264 km E of Nikolski, AlaskaMon, Dec 14, 12:12 PM AKST · 3947 days ago · 47 km deep · 93 km away
11. 2.422 km ESE of Unalaska, AlaskaMon, Dec 14, 7:25 AM AKST · 3947 days ago · 85 km deep · 84 km away
12. 2.179 km SSW of Unalaska, AlaskaSun, Dec 13, 11:06 PM AKST · 3948 days ago · 26 km deep · 67 km away
13. 2.635 km SE of Unalaska, AlaskaSun, Dec 13, 10:15 PM AKST · 3948 days ago · 42 km deep · 81 km away
14. 2.076 km SW of Unalaska, AlaskaSun, Dec 13, 1:24 AM AKST · 3948 days ago · 13 km deep · 30 km away
15. 2.276 km SW of Unalaska, AlaskaWed, Dec 9, 4:59 PM AKST · 3952 days ago · 64 km deep · 28 km away
16. 1.888 km S of Unalaska, AlaskaMon, Dec 7, 5:34 PM AKST · 3954 days ago · 18 km deep · 92 km away
17. 1.657 km SSW of Unalaska, AlaskaMon, Dec 7, 9:00 AM AKST · 3954 days ago · 70 km deep · 36 km away
18. 1.885 km SSW of Unalaska, AlaskaFri, Dec 4, 1:21 AM AKST · 3957 days ago · 26 km deep · 70 km away
19. 2.7104 km E of Nikolski, AlaskaTue, Dec 1, 5:21 PM AKST · 3960 days ago · 29 km deep · 67 km away
20. 2.2110 km SSW of Unalaska, AlaskaSun, Nov 29, 7:43 AM AKST · 3962 days ago · 49 km deep · 83 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak015geipkr4 (also filed as ak12430130). Read Sun, Oct 4, 2026, 8:22 PM UTC.