M1.6 earthquake 70 km WSW of Unalaska, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Mon, Sep 18, 2017, 7:45 PM AKDT

UTC

2017-09-19 03:45:59 UTC

Depth

9.9 km (6.2 mi), shallow

Epicenter

53.577° N, 167.472° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

23

• Unalaska, AlaskaPopulation 4,491. Forecast70 kmWSW

After

1. 2.019 km W of Dutch Harbor, AlaskaWed, Sep 20, 11:58 AM AKDT · 3298 days ago · 5 km deep · 53 km away
2. 1.548 km SW of Unalaska, AlaskaThu, Sep 21, 2:50 PM AKDT · 3297 days ago · 17 km deep · 29 km away
3. 1.619 km WSW of Dutch Harbor, AlaskaFri, Sep 22, 9:45 AM AKDT · 3296 days ago · 6 km deep · 52 km away
4. 1.718 km W of Dutch Harbor, AlaskaFri, Sep 22, 9:48 AM AKDT · 3296 days ago · 7 km deep · 53 km away
5. 1.980 km S of Unalaska, AlaskaSun, Sep 24, 3:10 AM AKDT · 3295 days ago · 26 km deep · 68 km away
6. 1.884 km SSW of Unalaska, AlaskaSat, Sep 30, 6:26 PM AKDT · 3288 days ago · 26 km deep · 67 km away
7. 1.553 km SSE of Unalaska, AlaskaMon, Oct 2, 4:24 AM AKDT · 3287 days ago · 45 km deep · 89 km away
8. 2.737 km S of Unalaska, AlaskaMon, Oct 2, 6:40 PM AKDT · 3286 days ago · 57 km deep · 65 km away
9. 2.781 km E of Nikolski, AlaskaMon, Oct 2, 7:35 PM AKDT · 3286 days ago · 32 km deep · 65 km away
10. 2.684 km S of Unalaska, AlaskaTue, Oct 3, 1:26 AM AKDT · 3286 days ago · 29 km deep · 68 km away
11. 1.639 km SSE of Unalaska, AlaskaTue, Oct 3, 5:53 PM AKDT · 3285 days ago · 24 km deep · 78 km away
12. 2.033 km ENE of Nikolski, AlaskaWed, Oct 4, 3:34 AM AKDT · 3285 days ago · 75 km deep · 85 km away
13. 2.1Fox Islands, Aleutian Islands, AlaskaSat, Oct 7, 5:19 AM AKDT · 3282 days ago · 76 km deep · 55 km away
14. 1.765 km SW of Unalaska, AlaskaMon, Oct 9, 2:41 PM AKDT · 3279 days ago · 14 km deep · 18 km away
15. 4.167 km SW of Unalaska, AlaskaMon, Oct 9, 2:52 PM AKDT · 3279 days ago · 96 km deep · 28 km away
16. 1.571 km SW of Unalaska, AlaskaTue, Oct 10, 8:23 PM AKDT · 3278 days ago · 13 km deep · 14 km away
17. 1.89 km SSE of Unalaska, AlaskaTue, Oct 10, 11:59 PM AKDT · 3278 days ago · 79 km deep · 70 km away
18. 2.160 km SW of Unalaska, AlaskaThu, Oct 12, 4:50 AM AKDT · 3277 days ago · 15 km deep · 17 km away
19. 2.078 km E of Nikolski, AlaskaThu, Oct 12, 8:23 AM AKDT · 3276 days ago · 37 km deep · 74 km away
20. 1.757 km SW of Unalaska, AlaskaSun, Oct 15, 6:45 AM AKDT · 3273 days ago · 17 km deep · 19 km away
21. 1.797 km ENE of Nikolski, AlaskaSun, Oct 15, 1:08 PM AKDT · 3273 days ago · 48 km deep · 45 km away
22. 1.677 km S of Unalaska, AlaskaMon, Oct 16, 10:48 AM AKDT · 3272 days ago · 22 km deep · 72 km away
23. 1.950 km SE of Unalaska, AlaskaTue, Oct 17, 5:42 AM AKDT · 3272 days ago · 26 km deep · 93 km away
24. 2.280 km E of Nikolski, AlaskaWed, Oct 18, 2:24 PM AKDT · 3270 days ago · 26 km deep · 79 km away
25. 2.2Fox Islands, Aleutian Islands, AlaskaWed, Oct 18, 9:26 PM AKDT · 3270 days ago · 75 km deep · 90 km away
26. 2.3111 km E of Nikolski, AlaskaFri, Oct 20, 8:01 PM AKDT · 3268 days ago · 26 km deep · 91 km away
27. 1.944 km SE of Unalaska, AlaskaFri, Oct 20, 8:50 PM AKDT · 3268 days ago · 51 km deep · 97 km away
28. 2.082 km SW of Unalaska, AlaskaSun, Oct 22, 7:54 PM AKDT · 3266 days ago · 75 km deep · 23 km away
29. 2.631 km ESE of Unalaska, AlaskaSun, Oct 22, 10:15 PM AKDT · 3266 days ago · 72 km deep · 90 km away
30. 1.767 km SW of Unalaska, AlaskaTue, Oct 24, 3:49 AM AKDT · 3265 days ago · 15 km deep · 8 km away
31. 2.139 km SSW of Unalaska, AlaskaWed, Oct 25, 2:18 PM AKDT · 3263 days ago · 64 km deep · 54 km away
32. 1.752 km S of Unalaska, AlaskaThu, Oct 26, 12:04 AM AKDT · 3263 days ago · 24 km deep · 64 km away
33. 1.981 km SSW of Unalaska, AlaskaThu, Oct 26, 1:47 PM AKDT · 3262 days ago · 23 km deep · 60 km away
34. 2.158 km SSE of Unalaska, AlaskaSat, Oct 28, 9:25 AM AKDT · 3260 days ago · 23 km deep · 78 km away
35. 2.053 km SW of Unalaska, AlaskaTue, Oct 31, 9:20 AM AKDT · 3257 days ago · 72 km deep · 31 km away
36. 1.950 km S of Unalaska, AlaskaTue, Oct 31, 6:11 PM AKDT · 3257 days ago · 59 km deep · 62 km away
37. 1.894 km ENE of Nikolski, AlaskaTue, Oct 31, 11:14 PM AKDT · 3257 days ago · 86 km deep · 34 km away
38. 1.646 km S of Unalaska, AlaskaWed, Nov 1, 5:00 AM AKDT · 3257 days ago · 62 km deep · 72 km away
39. 2.97 km ENE of Dutch Harbor, AlaskaThu, Nov 2, 10:05 AM AKDT · 3255 days ago · 125 km deep · 78 km away
40. 1.846 km SE of Unalaska, AlaskaThu, Nov 2, 5:30 PM AKDT · 3255 days ago · 31 km deep · 90 km away
41. 4.6109 km S of Unalaska, AlaskaFri, Nov 3, 9:19 AM AKDT · 3254 days ago · 31 km deep · 88 km away
42. 2.120 km ESE of Unalaska, AlaskaFri, Nov 3, 7:51 PM AKDT · 3254 days ago · 81 km deep · 84 km away
43. 1.556 km WSW of Unalaska, AlaskaSun, Nov 5, 10:48 AM AKST · 3252 days ago · 13 km deep · 14 km away
44. 1.757 km WSW of Unalaska, AlaskaSun, Nov 5, 10:53 AM AKST · 3252 days ago · 13 km deep · 14 km away
45. 1.557 km SW of Unalaska, AlaskaSun, Nov 5, 12:39 PM AKST · 3252 days ago · 13 km deep · 15 km away
46. 2.892 km S of Unalaska, AlaskaMon, Nov 6, 3:37 PM AKST · 3251 days ago · 34 km deep · 72 km away
47. 1.992 km SSW of Unalaska, AlaskaMon, Nov 6, 4:04 PM AKST · 3251 days ago · 26 km deep · 57 km away
48. 4.2119 km S of Unalaska, AlaskaTue, Nov 7, 1:43 AM AKST · 3251 days ago · 32 km deep · 97 km away
49. 1.816 km WSW of Dutch Harbor, AlaskaTue, Nov 7, 7:35 AM AKST · 3250 days ago · 5 km deep · 54 km away
50. 1.55 km SW of Unalaska, AlaskaThu, Nov 9, 10:27 PM AKST · 3248 days ago · 12 km deep · 64 km away
51. 1.678 km S of Unalaska, AlaskaFri, Nov 10, 1:17 AM AKST · 3248 days ago · 35 km deep · 70 km away
52. 2.585 km SW of Unalaska, AlaskaFri, Nov 10, 11:27 AM AKST · 3247 days ago · 70 km deep · 35 km away
53. 4.783 km ENE of Nikolski, AlaskaSat, Nov 11, 7:14 AM AKST · 3246 days ago · 68 km deep · 46 km away · felt by 1
54. 1.696 km E of Nikolski, AlaskaSat, Nov 11, 7:40 AM AKST · 3246 days ago · 24 km deep · 70 km away
55. 1.795 km E of Nikolski, AlaskaSat, Nov 11, 11:17 AM AKST · 3246 days ago · 14 km deep · 69 km away
56. 1.784 km SW of Unalaska, AlaskaSat, Nov 11, 2:29 PM AKST · 3246 days ago · 18 km deep · 34 km away
57. 1.896 km E of Nikolski, AlaskaMon, Nov 13, 12:10 PM AKST · 3244 days ago · 22 km deep · 62 km away
58. 2.424 km S of Unalaska, AlaskaMon, Nov 13, 3:59 PM AKST · 3244 days ago · 76 km deep · 65 km away
59. 2.2103 km E of Nikolski, AlaskaMon, Nov 13, 10:56 PM AKST · 3244 days ago · 38 km deep · 79 km away
60. 2.5102 km E of Nikolski, AlaskaMon, Nov 13, 10:58 PM AKST · 3244 days ago · 41 km deep · 86 km away

The first 60 of 63.

Before

1. 1.666 km SW of Unalaska, AlaskaSun, Sep 17, 8:33 PM AKDT · 3301 days ago · 14 km deep · 21 km away
2. 1.913 km SE of Unalaska, AlaskaSun, Sep 17, 3:17 PM AKDT · 3301 days ago · 7 km deep · 74 km away
3. 1.527 km W of Dutch Harbor, AlaskaSun, Sep 17, 4:44 AM AKDT · 3302 days ago · 7 km deep · 49 km away
4. 1.626 km SE of Unalaska, AlaskaThu, Sep 14, 6:50 PM AKDT · 3304 days ago · 69 km deep · 83 km away
5. 3.580 km S of Unalaska, AlaskaThu, Sep 14, 11:06 AM AKDT · 3304 days ago · 45 km deep · 66 km away
6. 1.671 km WSW of Unalaska, AlaskaWed, Sep 13, 1:55 PM AKDT · 3305 days ago · 11 km deep · 4 km away
7. 1.731 km SE of Unalaska, AlaskaTue, Sep 12, 10:54 PM AKDT · 3306 days ago · 69 km deep · 89 km away
8. 2.371 km WSW of Unalaska, AlaskaTue, Sep 12, 9:15 AM AKDT · 3306 days ago · 13 km deep · 7 km away
9. 3.169 km WSW of Unalaska, AlaskaTue, Sep 12, 8:57 AM AKDT · 3306 days ago · 26 km deep · 6 km away
10. 1.521 km WSW of Unalaska, AlaskaTue, Sep 12, 3:27 AM AKDT · 3307 days ago · 8 km deep · 49 km away
11. 1.972 km SSW of Unalaska, AlaskaMon, Sep 11, 9:41 PM AKDT · 3307 days ago · 45 km deep · 60 km away
12. 3.382 km S of Unalaska, AlaskaMon, Sep 11, 9:17 PM AKDT · 3307 days ago · 26 km deep · 69 km away
13. 2.471 km SSW of Unalaska, AlaskaMon, Sep 11, 12:33 PM AKDT · 3307 days ago · 13 km deep · 45 km away
14. 1.667 km WSW of Unalaska, AlaskaMon, Sep 11, 2:09 AM AKDT · 3308 days ago · 7 km deep · 4 km away
15. 1.835 km ESE of Unalaska, AlaskaSun, Sep 10, 9:19 PM AKDT · 3308 days ago · 69 km deep · 94 km away
16. 1.679 km SW of Unalaska, AlaskaSun, Sep 10, 5:06 AM AKDT · 3309 days ago · 13 km deep · 30 km away
17. 2.479 km S of Unalaska, AlaskaSun, Sep 10, 1:21 AM AKDT · 3309 days ago · 26 km deep · 69 km away
18. 1.772 km SSE of Unalaska, AlaskaSat, Sep 9, 10:44 AM AKDT · 3309 days ago · 21 km deep · 92 km away
19. 2.480 km SSW of Unalaska, AlaskaTue, Sep 5, 8:26 PM AKDT · 3313 days ago · 26 km deep · 61 km away
20. 3.125 km NE of Nikolski, AlaskaTue, Sep 5, 12:40 PM AKDT · 3313 days ago · 102 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak017c1cv01k (also filed as ak16853975). Read Fri, Oct 2, 2026, 1:37 AM UTC.