M2.5 earthquake 138 km S of Unalaska, Alaska

Magnitude

2.5 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Jan 1, 2017, 1:05 AM AKST

UTC

2017-01-01 10:05:03 UTC

Depth

47.6 km (29.6 mi), shallow

Epicenter

52.637° N, 166.316° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

12

• Unalaska, AlaskaPopulation 4,491. Forecast138 kmS

After

1. 2.1113 km S of Unalaska, AlaskaThu, Jan 5, 1:56 PM AKST · 3557 days ago · 5 km deep · 38 km away
2. 2.2125 km S of Unalaska, AlaskaFri, Jan 6, 9:05 AM AKST · 3556 days ago · 46 km deep · 36 km away
3. 2.5117 km ESE of Nikolski, AlaskaSat, Jan 7, 7:21 AM AKST · 3556 days ago · 26 km deep · 79 km away
4. 2.3151 km S of Unalaska, AlaskaMon, Jan 9, 6:50 PM AKST · 3553 days ago · 51 km deep · 31 km away
5. 1.698 km S of Unalaska, AlaskaTue, Jan 10, 5:57 AM AKST · 3553 days ago · 10 km deep · 45 km away
6. 3.966 km SSE of Unalaska, AlaskaTue, Jan 10, 6:28 AM AKST · 3553 days ago · 32 km deep · 74 km away · felt by 2
7. 1.8172 km SSE of Unalaska, AlaskaTue, Jan 10, 7:55 AM AKST · 3553 days ago · 12 km deep · 82 km away
8. 2.3199 km SSE of Unalaska, AlaskaWed, Jan 11, 12:21 AM AKST · 3552 days ago · 11 km deep · 87 km away
9. 2.7134 km S of Unalaska, AlaskaWed, Jan 11, 1:24 AM AKST · 3552 days ago · 10 km deep · 25 km away
10. 2.5189 km SE of Unalaska, AlaskaWed, Jan 11, 11:34 PM AKST · 3551 days ago · 36 km deep · 99 km away
11. 2.2131 km ESE of Nikolski, AlaskaMon, Jan 16, 8:46 AM AKST · 3546 days ago · 17 km deep · 45 km away
12. 2.684 km SSW of Unalaska, AlaskaMon, Jan 16, 7:29 PM AKST · 3546 days ago · 41 km deep · 69 km away
13. 1.868 km SE of Unalaska, AlaskaWed, Jan 18, 10:05 AM AKST · 3544 days ago · 35 km deep · 97 km away
14. 2.7100 km E of Nikolski, AlaskaThu, Jan 19, 2:56 AM AKST · 3544 days ago · 40 km deep · 78 km away
15. 2.291 km SSW of Unalaska, AlaskaFri, Jan 20, 5:35 PM AKST · 3542 days ago · 43 km deep · 88 km away
16. 1.590 km SW of Unalaska, AlaskaSat, Jan 21, 9:59 PM AKST · 3541 days ago · 13 km deep · 99 km away
17. 2.167 km SE of Unalaska, AlaskaSat, Jan 21, 11:51 PM AKST · 3541 days ago · 33 km deep · 91 km away
18. 2.588 km SE of Unalaska, AlaskaSun, Jan 22, 9:48 PM AKST · 3540 days ago · 34 km deep · 85 km away
19. 1.759 km SSE of Unalaska, AlaskaMon, Jan 23, 2:57 PM AKST · 3539 days ago · 41 km deep · 80 km away
20. 2.4123 km SSE of Unalaska, AlaskaTue, Jan 24, 12:16 PM AKST · 3538 days ago · 7 km deep · 57 km away
21. 2.3162 km ESE of Nikolski, AlaskaTue, Jan 24, 3:37 PM AKST · 3538 days ago · 37 km deep · 43 km away
22. 1.979 km S of Unalaska, AlaskaMon, Jan 30, 9:25 PM AKST · 3532 days ago · 26 km deep · 67 km away
23. 1.994 km SSE of Unalaska, AlaskaTue, Jan 31, 6:17 AM AKST · 3532 days ago · 16 km deep · 64 km away
24. 1.8Fox Islands, Aleutian Islands, AlaskaTue, Jan 31, 7:02 AM AKST · 3532 days ago · 37 km deep · 79 km away
25. 1.869 km SE of Unalaska, AlaskaTue, Jan 31, 12:42 PM AKST · 3531 days ago · 40 km deep · 97 km away
26. 2.072 km SSE of Unalaska, AlaskaFri, Feb 3, 5:31 PM AKST · 3528 days ago · 22 km deep · 75 km away
27. 2.977 km SSW of Unalaska, AlaskaFri, Feb 3, 6:08 PM AKST · 3528 days ago · 35 km deep · 72 km away
28. 2.5128 km S of Unalaska, AlaskaSat, Feb 4, 6:23 PM AKST · 3527 days ago · 4 km deep · 25 km away
29. 2.479 km S of Unalaska, AlaskaSun, Feb 5, 1:19 AM AKST · 3527 days ago · 26 km deep · 63 km away
30. 2.2103 km E of Nikolski, AlaskaSun, Feb 5, 4:24 PM AKST · 3526 days ago · 15 km deep · 78 km away
31. 1.8131 km S of Unalaska, AlaskaWed, Feb 8, 11:24 PM AKST · 3523 days ago · 51 km deep · 29 km away
32. 2.8202 km SSE of Unalaska, AlaskaThu, Feb 9, 1:35 AM AKST · 3523 days ago · 21 km deep · 82 km away
33. 1.893 km E of Nikolski, AlaskaThu, Feb 9, 4:28 AM AKST · 3523 days ago · 49 km deep · 89 km away
34. 1.977 km S of Unalaska, AlaskaThu, Feb 9, 3:23 PM AKST · 3522 days ago · 26 km deep · 66 km away
35. 2.1126 km S of Unalaska, AlaskaThu, Feb 9, 4:18 PM AKST · 3522 days ago · 40 km deep · 28 km away
36. 2.3101 km SE of Nikolski, AlaskaFri, Feb 10, 7:16 AM AKST · 3522 days ago · 12 km deep · 99 km away
37. 3.782 km SSW of Unalaska, AlaskaSat, Feb 11, 10:56 PM AKST · 3520 days ago · 26 km deep · 65 km away
38. 2.1132 km SSE of Unalaska, AlaskaThu, Feb 16, 4:37 AM AKST · 3516 days ago · 20 km deep · 63 km away
39. 3.762 km SE of Unalaska, AlaskaFri, Feb 17, 3:58 AM AKST · 3515 days ago · 43 km deep · 94 km away
40. 2.469 km SE of Unalaska, AlaskaFri, Feb 17, 4:18 AM AKST · 3515 days ago · 46 km deep · 88 km away
41. 1.767 km SE of Unalaska, AlaskaFri, Feb 17, 4:21 AM AKST · 3515 days ago · 24 km deep · 89 km away
42. 1.669 km SE of Unalaska, AlaskaFri, Feb 17, 4:28 AM AKST · 3515 days ago · 36 km deep · 90 km away
43. 1.867 km SE of Unalaska, AlaskaFri, Feb 17, 4:29 AM AKST · 3515 days ago · 36 km deep · 91 km away
44. 2.170 km SE of Unalaska, AlaskaFri, Feb 17, 5:09 AM AKST · 3515 days ago · 35 km deep · 88 km away
45. 1.7Fox Islands, Aleutian Islands, AlaskaFri, Feb 17, 8:16 AM AKST · 3514 days ago · 42 km deep · 92 km away
46. 2.265 km SE of Unalaska, AlaskaSat, Feb 18, 6:06 PM AKST · 3513 days ago · 34 km deep · 91 km away
47. 2.3142 km SE of Nikolski, AlaskaMon, Feb 20, 12:23 AM AKST · 3512 days ago · 26 km deep · 74 km away
48. 2.9203 km SSE of Unalaska, AlaskaThu, Feb 23, 11:53 PM AKST · 3508 days ago · 10 km deep · 93 km away
49. 2.2121 km SE of Unalaska, AlaskaSat, Feb 25, 1:36 PM AKST · 3506 days ago · 24 km deep · 74 km away
50. 2.178 km S of Unalaska, AlaskaWed, Mar 1, 3:48 PM AKST · 3502 days ago · 69 km deep · 65 km away

Before

1. 2.979 km S of Unalaska, AlaskaFri, Dec 30, 7:45 PM AKST · 3563 days ago · 35 km deep · 58 km away
2. 2.9129 km S of Unalaska, AlaskaWed, Dec 28, 7:59 PM AKST · 3565 days ago · 10 km deep · 24 km away
3. 3.0122 km S of Unalaska, AlaskaWed, Dec 28, 12:39 AM AKST · 3566 days ago · 60 km deep · 28 km away
4. 2.492 km ESE of Nikolski, AlaskaSun, Dec 25, 10:31 AM AKST · 3568 days ago · 55 km deep · 82 km away
5. 2.083 km E of Nikolski, AlaskaSat, Dec 24, 11:27 PM AKST · 3569 days ago · 49 km deep · 99 km away
6. 3.893 km SSW of Unalaska, AlaskaFri, Dec 23, 12:19 PM AKST · 3570 days ago · 48 km deep · 80 km away
7. 2.171 km S of Unalaska, AlaskaWed, Dec 21, 8:43 PM AKST · 3572 days ago · 26 km deep · 69 km away
8. 2.181 km S of Unalaska, AlaskaTue, Dec 20, 5:05 AM AKST · 3574 days ago · 25 km deep · 61 km away
9. 2.180 km S of Unalaska, AlaskaSun, Dec 18, 5:48 PM AKST · 3575 days ago · 36 km deep · 59 km away
10. 2.6133 km S of Unalaska, AlaskaWed, Dec 14, 4:28 AM AKST · 3580 days ago · 21 km deep · 25 km away
11. 1.648 km S of Unalaska, AlaskaSun, Dec 11, 1:52 PM AKST · 3582 days ago · 65 km deep · 93 km away
12. 3.681 km SSW of Unalaska, AlaskaSat, Dec 10, 9:27 PM AKST · 3583 days ago · 26 km deep · 66 km away
13. 2.685 km SSW of Unalaska, AlaskaSat, Dec 10, 9:24 PM AKST · 3583 days ago · 26 km deep · 63 km away
14. 1.955 km S of Unalaska, AlaskaWed, Dec 7, 7:40 AM AKST · 3587 days ago · 70 km deep · 85 km away
15. 1.879 km SSW of Unalaska, AlaskaTue, Dec 6, 7:00 PM AKST · 3587 days ago · 39 km deep · 78 km away
16. 1.9Fox Islands, Aleutian Islands, AlaskaTue, Dec 6, 5:51 PM AKST · 3587 days ago · 20 km deep · 67 km away
17. 2.088 km SSW of Unalaska, AlaskaSat, Dec 3, 7:03 AM AKST · 3591 days ago · 25 km deep · 70 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0171tirf6 (also filed as ak14873399). Read Sat, Oct 3, 2026, 4:29 AM UTC.