M1.8 earthquake 72 km WSW of Unalaska, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Fri, Aug 11, 2017, 1:52 PM AKDT

UTC

2017-08-11 21:52:25 UTC

Depth

13.2 km (8.2 mi), shallow

Epicenter

53.634° N, 167.551° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

25

• Unalaska, AlaskaPopulation 4,491. Forecast72 kmWSW

After

1. 2.130 km SE of Unalaska, AlaskaSat, Aug 12, 2:30 PM AKDT · 3337 days ago · 65 km deep · 88 km away
2. 1.573 km SW of Unalaska, AlaskaSun, Aug 13, 10:18 AM AKDT · 3337 days ago · 16 km deep · 24 km away
3. 2.6103 km S of Unalaska, AlaskaSun, Aug 13, 11:59 PM AKDT · 3336 days ago · 27 km deep · 89 km away
4. 2.721 km SE of Unalaska, AlaskaMon, Aug 14, 12:49 AM AKDT · 3336 days ago · 111 km deep · 82 km away
5. 1.6Fox Islands, Aleutian Islands, AlaskaMon, Aug 14, 4:32 AM AKDT · 3336 days ago · 13 km deep · 26 km away
6. 1.570 km WSW of Unalaska, AlaskaMon, Aug 14, 7:09 PM AKDT · 3335 days ago · 13 km deep · 14 km away
7. 1.791 km SSW of Unalaska, AlaskaWed, Aug 16, 4:07 AM AKDT · 3334 days ago · 15 km deep · 69 km away
8. 1.535 km SSW of Unalaska, AlaskaWed, Aug 16, 5:37 AM AKDT · 3334 days ago · 73 km deep · 54 km away
9. 2.168 km SW of Unalaska, AlaskaWed, Aug 16, 10:08 AM AKDT · 3334 days ago · 15 km deep · 29 km away
10. 2.073 km WSW of Unalaska, AlaskaWed, Aug 16, 10:31 AM AKDT · 3334 days ago · 13 km deep · 11 km away
11. 2.979 km S of Unalaska, AlaskaWed, Aug 16, 12:00 PM AKDT · 3334 days ago · 35 km deep · 81 km away
12. 1.873 km S of Unalaska, AlaskaWed, Aug 16, 12:44 PM AKDT · 3334 days ago · 36 km deep · 74 km away
13. 2.567 km E of Nikolski, AlaskaThu, Aug 17, 7:55 AM AKDT · 3333 days ago · 50 km deep · 72 km away
14. 1.8105 km E of Nikolski, AlaskaFri, Aug 18, 6:38 AM AKDT · 3332 days ago · 35 km deep · 87 km away
15. 2.130 km WSW of Unalaska, AlaskaFri, Aug 18, 10:45 AM AKDT · 3332 days ago · 10 km deep · 42 km away
16. 1.568 km WSW of Unalaska, AlaskaFri, Aug 18, 2:51 PM AKDT · 3331 days ago · 16 km deep · 9 km away
17. 1.730 km SE of Unalaska, AlaskaSun, Aug 20, 10:17 PM AKDT · 3329 days ago · 72 km deep · 90 km away
18. 2.271 km WSW of Unalaska, AlaskaMon, Aug 21, 8:43 PM AKDT · 3328 days ago · 13 km deep · 2 km away
19. 1.673 km WSW of Unalaska, AlaskaMon, Aug 21, 10:04 PM AKDT · 3328 days ago · 13 km deep · 5 km away
20. 1.6104 km E of Nikolski, AlaskaTue, Aug 22, 4:02 AM AKDT · 3328 days ago · 49 km deep · 81 km away
21. 1.577 km SSW of Unalaska, AlaskaTue, Aug 22, 9:46 PM AKDT · 3327 days ago · 2 km deep · 52 km away
22. 2.390 km E of Nikolski, AlaskaFri, Aug 25, 9:53 AM AKDT · 3325 days ago · 49 km deep · 89 km away
23. 1.951 km ENE of Nikolski, AlaskaSat, Aug 26, 1:49 AM AKDT · 3324 days ago · 69 km deep · 71 km away
24. 4.054 km ESE of Nikolski, AlaskaMon, Aug 28, 5:39 PM AKDT · 3321 days ago · 40 km deep · 97 km away
25. 4.154 km ESE of Nikolski, AlaskaMon, Aug 28, 7:52 PM AKDT · 3321 days ago · 33 km deep · 100 km away
26. 1.756 km E of Nikolski, AlaskaTue, Aug 29, 9:20 AM AKDT · 3321 days ago · 36 km deep · 92 km away
27. 2.0100 km E of Nikolski, AlaskaWed, Aug 30, 10:03 AM AKDT · 3320 days ago · 70 km deep · 60 km away
28. 1.523 km ESE of Unalaska, AlaskaFri, Sep 1, 7:28 PM AKDT · 3317 days ago · 73 km deep · 89 km away
29. 1.571 km SW of Unalaska, AlaskaSat, Sep 2, 12:21 AM AKDT · 3317 days ago · 70 km deep · 40 km away
30. 1.726 km E of Unalaska, AlaskaSat, Sep 2, 12:51 PM AKDT · 3317 days ago · 86 km deep · 96 km away
31. 2.025 km SE of Unalaska, AlaskaSat, Sep 2, 8:50 PM AKDT · 3316 days ago · 75 km deep · 88 km away
32. 2.115 km SSE of Unalaska, AlaskaSun, Sep 3, 1:15 AM AKDT · 3316 days ago · 87 km deep · 71 km away
33. 2.081 km S of Unalaska, AlaskaTue, Sep 5, 10:43 AM AKDT · 3314 days ago · 26 km deep · 79 km away
34. 1.674 km S of Unalaska, AlaskaTue, Sep 5, 11:37 AM AKDT · 3314 days ago · 23 km deep · 74 km away
35. 3.125 km NE of Nikolski, AlaskaTue, Sep 5, 12:40 PM AKDT · 3314 days ago · 102 km deep · 91 km away
36. 2.480 km SSW of Unalaska, AlaskaTue, Sep 5, 8:26 PM AKDT · 3313 days ago · 26 km deep · 69 km away
37. 1.772 km SSE of Unalaska, AlaskaSat, Sep 9, 10:44 AM AKDT · 3310 days ago · 21 km deep · 99 km away
38. 2.479 km S of Unalaska, AlaskaSun, Sep 10, 1:21 AM AKDT · 3309 days ago · 26 km deep · 77 km away
39. 1.679 km SW of Unalaska, AlaskaSun, Sep 10, 5:06 AM AKDT · 3309 days ago · 13 km deep · 38 km away
40. 1.835 km ESE of Unalaska, AlaskaSun, Sep 10, 9:19 PM AKDT · 3308 days ago · 69 km deep · 98 km away
41. 1.667 km WSW of Unalaska, AlaskaMon, Sep 11, 2:09 AM AKDT · 3308 days ago · 7 km deep · 12 km away
42. 2.471 km SSW of Unalaska, AlaskaMon, Sep 11, 12:33 PM AKDT · 3308 days ago · 13 km deep · 53 km away
43. 3.382 km S of Unalaska, AlaskaMon, Sep 11, 9:17 PM AKDT · 3307 days ago · 26 km deep · 77 km away
44. 1.972 km SSW of Unalaska, AlaskaMon, Sep 11, 9:41 PM AKDT · 3307 days ago · 45 km deep · 68 km away
45. 1.521 km WSW of Unalaska, AlaskaTue, Sep 12, 3:27 AM AKDT · 3307 days ago · 8 km deep · 51 km away
46. 3.169 km WSW of Unalaska, AlaskaTue, Sep 12, 8:57 AM AKDT · 3307 days ago · 26 km deep · 3 km away
47. 2.371 km WSW of Unalaska, AlaskaTue, Sep 12, 9:15 AM AKDT · 3307 days ago · 13 km deep · 15 km away
48. 1.731 km SE of Unalaska, AlaskaTue, Sep 12, 10:54 PM AKDT · 3306 days ago · 69 km deep · 93 km away
49. 1.671 km WSW of Unalaska, AlaskaWed, Sep 13, 1:55 PM AKDT · 3305 days ago · 11 km deep · 12 km away
50. 3.580 km S of Unalaska, AlaskaThu, Sep 14, 11:06 AM AKDT · 3305 days ago · 45 km deep · 75 km away
51. 1.626 km SE of Unalaska, AlaskaThu, Sep 14, 6:50 PM AKDT · 3304 days ago · 69 km deep · 87 km away
52. 1.527 km W of Dutch Harbor, AlaskaSun, Sep 17, 4:44 AM AKDT · 3302 days ago · 7 km deep · 48 km away
53. 1.913 km SE of Unalaska, AlaskaSun, Sep 17, 3:17 PM AKDT · 3301 days ago · 7 km deep · 78 km away
54. 1.666 km SW of Unalaska, AlaskaSun, Sep 17, 8:33 PM AKDT · 3301 days ago · 14 km deep · 30 km away
55. 1.670 km WSW of Unalaska, AlaskaMon, Sep 18, 7:45 PM AKDT · 3300 days ago · 10 km deep · 8 km away
56. 2.019 km W of Dutch Harbor, AlaskaWed, Sep 20, 11:58 AM AKDT · 3299 days ago · 5 km deep · 54 km away
57. 1.548 km SW of Unalaska, AlaskaThu, Sep 21, 2:50 PM AKDT · 3297 days ago · 17 km deep · 35 km away
58. 1.619 km WSW of Dutch Harbor, AlaskaFri, Sep 22, 9:45 AM AKDT · 3297 days ago · 6 km deep · 53 km away
59. 1.718 km W of Dutch Harbor, AlaskaFri, Sep 22, 9:48 AM AKDT · 3297 days ago · 7 km deep · 54 km away
60. 1.980 km S of Unalaska, AlaskaSun, Sep 24, 3:10 AM AKDT · 3295 days ago · 26 km deep · 77 km away

The first 60 of 70.

Before

1. 2.273 km S of Unalaska, AlaskaFri, Aug 11, 11:14 AM AKDT · 3339 days ago · 26 km deep · 84 km away
2. 1.859 km E of Nikolski, AlaskaFri, Aug 11, 8:48 AM AKDT · 3339 days ago · 25 km deep · 90 km away
3. 1.682 km S of Unalaska, AlaskaFri, Aug 11, 4:51 AM AKDT · 3339 days ago · 26 km deep · 77 km away
4. 1.870 km E of Nikolski, AlaskaWed, Aug 9, 2:51 PM AKDT · 3340 days ago · 45 km deep · 77 km away
5. 3.463 km S of Unalaska, AlaskaMon, Aug 7, 10:43 PM AKDT · 3342 days ago · 91 km deep · 66 km away
6. 1.824 km SE of Unalaska, AlaskaMon, Aug 7, 1:19 PM AKDT · 3342 days ago · 72 km deep · 88 km away
7. 1.774 km S of Unalaska, AlaskaMon, Aug 7, 6:46 AM AKDT · 3343 days ago · 26 km deep · 86 km away
8. 2.077 km S of Unalaska, AlaskaSun, Aug 6, 9:28 AM AKDT · 3344 days ago · 25 km deep · 75 km away
9. 2.074 km S of Unalaska, AlaskaSat, Aug 5, 11:43 AM AKDT · 3345 days ago · 26 km deep · 86 km away
10. 1.828 km ENE of Nikolski, AlaskaFri, Aug 4, 2:38 AM AKDT · 3346 days ago · 74 km deep · 90 km away
11. 2.1Fox Islands, Aleutian Islands, AlaskaThu, Aug 3, 2:58 PM AKDT · 3346 days ago · 72 km deep · 36 km away
12. 1.957 km SW of Unalaska, AlaskaThu, Aug 3, 2:31 PM AKDT · 3346 days ago · 7 km deep · 24 km away
13. 1.659 km WSW of Unalaska, AlaskaThu, Aug 3, 1:13 PM AKDT · 3346 days ago · 21 km deep · 16 km away
14. 1.982 km SSW of Unalaska, AlaskaTue, Aug 1, 3:48 PM AKDT · 3348 days ago · 28 km deep · 72 km away
15. 3.186 km SSW of Unalaska, AlaskaTue, Aug 1, 11:15 AM AKDT · 3349 days ago · 35 km deep · 76 km away
16. 2.2Fox Islands, Aleutian Islands, AlaskaTue, Aug 1, 6:43 AM AKDT · 3349 days ago · 22 km deep · 92 km away
17. 2.579 km SW of Unalaska, AlaskaMon, Jul 31, 9:10 PM AKDT · 3349 days ago · 66 km deep · 39 km away
18. 1.884 km S of Unalaska, AlaskaMon, Jul 31, 2:45 AM AKDT · 3350 days ago · 17 km deep · 85 km away
19. 1.870 km ENE of Nikolski, AlaskaSun, Jul 30, 4:00 AM AKDT · 3351 days ago · 72 km deep · 55 km away
20. 1.886 km E of Nikolski, AlaskaSat, Jul 29, 11:11 PM AKDT · 3351 days ago · 12 km deep · 77 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak017a95np0o (also filed as ak16499032). Read Fri, Oct 2, 2026, 8:30 AM UTC.