M2.3 earthquake 137 km S of Unalaska, Alaska

Magnitude

2.3 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Aug 27, 2017, 7:18 PM AKDT

UTC

2017-08-28 03:18:26 UTC

Depth

10.9 km (6.8 mi), shallow

Epicenter

52.641° N, 166.362° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

17

• Unalaska, AlaskaPopulation 4,491. Forecast138 kmS

After

1. 1.976 km SE of Unalaska, AlaskaMon, Aug 28, 3:01 AM AKDT · 3323 days ago · 22 km deep · 89 km away
2. 3.5118 km SSE of Unalaska, AlaskaTue, Aug 29, 4:59 AM AKDT · 3322 days ago · 11 km deep · 62 km away
3. 2.0100 km E of Nikolski, AlaskaWed, Aug 30, 10:03 AM AKDT · 3320 days ago · 70 km deep · 86 km away
4. 1.571 km SW of Unalaska, AlaskaSat, Sep 2, 12:21 AM AKDT · 3318 days ago · 70 km deep · 96 km away
5. 2.081 km S of Unalaska, AlaskaTue, Sep 5, 10:43 AM AKDT · 3314 days ago · 26 km deep · 60 km away
6. 1.674 km S of Unalaska, AlaskaTue, Sep 5, 11:37 AM AKDT · 3314 days ago · 23 km deep · 67 km away
7. 3.7200 km SE of Nikolski, AlaskaTue, Sep 5, 11:59 AM AKDT · 3314 days ago · 25 km deep · 77 km away
8. 3.6219 km SE of Nikolski, AlaskaTue, Sep 5, 8:13 PM AKDT · 3314 days ago · 10 km deep · 92 km away
9. 2.480 km SSW of Unalaska, AlaskaTue, Sep 5, 8:26 PM AKDT · 3314 days ago · 26 km deep · 68 km away
10. 3.767 km SE of Unalaska, AlaskaWed, Sep 6, 7:46 PM AKDT · 3313 days ago · 26 km deep · 99 km away
11. 1.575 km SE of Unalaska, AlaskaWed, Sep 6, 8:29 PM AKDT · 3313 days ago · 26 km deep · 96 km away
12. 3.776 km SE of Unalaska, AlaskaThu, Sep 7, 7:01 AM AKDT · 3313 days ago · 38 km deep · 97 km away
13. 1.768 km SE of Unalaska, AlaskaThu, Sep 7, 7:14 AM AKDT · 3313 days ago · 31 km deep · 99 km away
14. 3.768 km SE of Unalaska, AlaskaThu, Sep 7, 7:42 AM AKDT · 3313 days ago · 41 km deep · 98 km away
15. 1.997 km SE of Unalaska, AlaskaFri, Sep 8, 6:23 AM AKDT · 3312 days ago · 4 km deep · 72 km away
16. 1.772 km SSE of Unalaska, AlaskaSat, Sep 9, 10:44 AM AKDT · 3310 days ago · 21 km deep · 69 km away
17. 1.868 km SE of Unalaska, AlaskaSun, Sep 10, 12:45 AM AKDT · 3310 days ago · 28 km deep · 98 km away
18. 2.479 km S of Unalaska, AlaskaSun, Sep 10, 1:21 AM AKDT · 3310 days ago · 26 km deep · 63 km away
19. 1.679 km SW of Unalaska, AlaskaSun, Sep 10, 5:06 AM AKDT · 3310 days ago · 13 km deep · 99 km away
20. 2.471 km SSW of Unalaska, AlaskaMon, Sep 11, 12:33 PM AKDT · 3308 days ago · 13 km deep · 84 km away
21. 3.382 km S of Unalaska, AlaskaMon, Sep 11, 9:17 PM AKDT · 3308 days ago · 26 km deep · 61 km away
22. 1.972 km SSW of Unalaska, AlaskaMon, Sep 11, 9:41 PM AKDT · 3308 days ago · 45 km deep · 71 km away
23. 2.1126 km S of Unalaska, AlaskaWed, Sep 13, 1:23 AM AKDT · 3307 days ago · 39 km deep · 16 km away
24. 1.875 km SE of Unalaska, AlaskaThu, Sep 14, 4:03 AM AKDT · 3306 days ago · 22 km deep · 97 km away
25. 3.567 km SE of Unalaska, AlaskaThu, Sep 14, 8:25 AM AKDT · 3306 days ago · 31 km deep · 89 km away
26. 3.580 km S of Unalaska, AlaskaThu, Sep 14, 11:06 AM AKDT · 3305 days ago · 45 km deep · 64 km away
27. 1.778 km SE of Unalaska, AlaskaTue, Sep 19, 1:34 PM AKDT · 3300 days ago · 20 km deep · 97 km away
28. 2.8193 km SSE of Unalaska, AlaskaThu, Sep 21, 4:18 PM AKDT · 3298 days ago · 14 km deep · 92 km away
29. 1.980 km S of Unalaska, AlaskaSun, Sep 24, 3:10 AM AKDT · 3296 days ago · 26 km deep · 63 km away
30. 2.4116 km SSE of Unalaska, AlaskaWed, Sep 27, 8:37 AM AKDT · 3293 days ago · 13 km deep · 60 km away
31. 4.3120 km SSE of Unalaska, AlaskaWed, Sep 27, 9:14 AM AKDT · 3292 days ago · 25 km deep · 62 km away
32. 2.1124 km S of Unalaska, AlaskaSat, Sep 30, 4:37 PM AKDT · 3289 days ago · 15 km deep · 26 km away
33. 1.884 km SSW of Unalaska, AlaskaSat, Sep 30, 6:26 PM AKDT · 3289 days ago · 26 km deep · 62 km away
34. 1.553 km SSE of Unalaska, AlaskaMon, Oct 2, 4:24 AM AKDT · 3288 days ago · 45 km deep · 92 km away
35. 2.781 km E of Nikolski, AlaskaMon, Oct 2, 7:35 PM AKDT · 3287 days ago · 32 km deep · 96 km away
36. 2.684 km S of Unalaska, AlaskaTue, Oct 3, 1:26 AM AKDT · 3287 days ago · 29 km deep · 61 km away
37. 2.5187 km SSE of Unalaska, AlaskaWed, Oct 4, 9:39 AM AKDT · 3285 days ago · 20 km deep · 59 km away
38. 2.290 km SE of Unalaska, AlaskaThu, Oct 5, 9:58 AM AKDT · 3284 days ago · 20 km deep · 86 km away
39. 2.1Fox Islands, Aleutian Islands, AlaskaSat, Oct 7, 5:19 AM AKDT · 3283 days ago · 76 km deep · 79 km away
40. 4.167 km SW of Unalaska, AlaskaMon, Oct 9, 2:52 PM AKDT · 3280 days ago · 96 km deep · 100 km away
41. 2.078 km E of Nikolski, AlaskaThu, Oct 12, 8:23 AM AKDT · 3278 days ago · 37 km deep · 95 km away
42. 1.797 km ENE of Nikolski, AlaskaSun, Oct 15, 1:08 PM AKDT · 3274 days ago · 48 km deep · 95 km away
43. 1.677 km S of Unalaska, AlaskaMon, Oct 16, 10:48 AM AKDT · 3273 days ago · 22 km deep · 63 km away
44. 1.950 km SE of Unalaska, AlaskaTue, Oct 17, 5:42 AM AKDT · 3273 days ago · 26 km deep · 100 km away
45. 2.280 km E of Nikolski, AlaskaWed, Oct 18, 2:24 PM AKDT · 3271 days ago · 26 km deep · 91 km away
46. 1.872 km SE of Unalaska, AlaskaFri, Oct 20, 4:33 PM AKDT · 3269 days ago · 21 km deep · 95 km away
47. 2.3111 km E of Nikolski, AlaskaFri, Oct 20, 8:01 PM AKDT · 3269 days ago · 26 km deep · 60 km away
48. 1.759 km SE of Unalaska, AlaskaSun, Oct 22, 7:53 AM AKDT · 3268 days ago · 39 km deep · 99 km away
49. 1.782 km SE of Unalaska, AlaskaMon, Oct 23, 10:43 PM AKDT · 3266 days ago · 18 km deep · 93 km away
50. 3.3117 km SSE of Akutan, AlaskaTue, Oct 24, 9:44 AM AKDT · 3265 days ago · 29 km deep · 89 km away
51. 1.752 km S of Unalaska, AlaskaThu, Oct 26, 12:04 AM AKDT · 3264 days ago · 24 km deep · 85 km away
52. 1.981 km SSW of Unalaska, AlaskaThu, Oct 26, 1:47 PM AKDT · 3263 days ago · 23 km deep · 68 km away

Before

1. 2.0129 km S of Unalaska, AlaskaSun, Aug 27, 7:00 PM AKDT · 3323 days ago · 5 km deep · 10 km away
2. 2.1191 km SSE of Unalaska, AlaskaSun, Aug 27, 7:40 AM AKDT · 3324 days ago · 20 km deep · 83 km away
3. 2.390 km E of Nikolski, AlaskaFri, Aug 25, 9:53 AM AKDT · 3325 days ago · 49 km deep · 81 km away
4. 1.577 km SSW of Unalaska, AlaskaTue, Aug 22, 9:46 PM AKDT · 3328 days ago · 2 km deep · 84 km away
5. 2.0158 km ESE of Nikolski, AlaskaTue, Aug 22, 12:11 PM AKDT · 3328 days ago · 8 km deep · 42 km away
6. 1.6104 km E of Nikolski, AlaskaTue, Aug 22, 4:02 AM AKDT · 3329 days ago · 49 km deep · 71 km away
7. 1.7134 km S of Unalaska, AlaskaMon, Aug 21, 7:20 PM AKDT · 3329 days ago · 24 km deep · 9 km away
8. 2.6124 km S of Unalaska, AlaskaMon, Aug 21, 6:55 PM AKDT · 3329 days ago · 8 km deep · 37 km away
9. 2.2137 km ESE of Nikolski, AlaskaMon, Aug 21, 3:31 AM AKDT · 3330 days ago · 20 km deep · 36 km away
10. 1.8105 km E of Nikolski, AlaskaFri, Aug 18, 6:38 AM AKDT · 3333 days ago · 35 km deep · 67 km away
11. 1.873 km S of Unalaska, AlaskaWed, Aug 16, 12:44 PM AKDT · 3334 days ago · 36 km deep · 68 km away
12. 2.979 km S of Unalaska, AlaskaWed, Aug 16, 12:00 PM AKDT · 3334 days ago · 35 km deep · 60 km away
13. 1.791 km SSW of Unalaska, AlaskaWed, Aug 16, 4:07 AM AKDT · 3335 days ago · 15 km deep · 68 km away
14. 1.8126 km SSW of Unalaska, AlaskaTue, Aug 15, 2:37 AM AKDT · 3336 days ago · 66 km deep · 39 km away
15. 2.6103 km S of Unalaska, AlaskaSun, Aug 13, 11:59 PM AKDT · 3337 days ago · 27 km deep · 48 km away
16. 2.3140 km S of Unalaska, AlaskaSun, Aug 13, 11:02 AM AKDT · 3337 days ago · 26 km deep · 19 km away
17. 1.9132 km S of Unalaska, AlaskaSat, Aug 12, 8:20 PM AKDT · 3338 days ago · 26 km deep · 24 km away
18. 2.273 km S of Unalaska, AlaskaFri, Aug 11, 11:14 AM AKDT · 3339 days ago · 26 km deep · 65 km away
19. 2.1113 km SE of Unalaska, AlaskaFri, Aug 11, 6:20 AM AKDT · 3340 days ago · 24 km deep · 69 km away
20. 1.682 km S of Unalaska, AlaskaFri, Aug 11, 4:51 AM AKDT · 3340 days ago · 26 km deep · 61 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak017b0yviae (also filed as ak16775506). Read Sat, Oct 3, 2026, 4:19 AM UTC.