M2.2 earthquake 20 km N of Atka, Alaska

Magnitude

2.2 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Apr 16, 2017, 4:31 PM HADT

UTC

2017-04-17 01:31:22 UTC

Depth

181.3 km (112.7 mi), intermediate-depth

Epicenter

52.380° N, 174.163° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

11

After

1. 1.846 km SE of Atka, AlaskaMon, Apr 17, 7:01 AM HADT · 3455 days ago · 83 km deep · 61 km away
2. 3.364 km ESE of Atka, AlaskaThu, Apr 20, 7:44 PM HADT · 3452 days ago · 53 km deep · 71 km away
3. 2.639 km SW of Atka, AlaskaFri, Apr 21, 7:22 PM HADT · 3451 days ago · 28 km deep · 57 km away
4. 2.947 km SW of Atka, AlaskaSat, Apr 22, 9:45 AM HADT · 3450 days ago · 46 km deep · 65 km away
5. 2.083 km WSW of Atka, AlaskaSun, Apr 23, 8:54 AM HADT · 3449 days ago · 66 km deep · 96 km away
6. 2.593 km ENE of Atka, AlaskaSun, Apr 23, 9:26 AM HADT · 3449 days ago · 118 km deep · 86 km away
7. 2.432 km WNW of Atka, AlaskaSun, Apr 23, 2:08 PM HADT · 3449 days ago · 212 km deep · 36 km away
8. 2.273 km ESE of Atka, AlaskaSun, Apr 23, 2:31 PM HADT · 3449 days ago · 53 km deep · 83 km away
9. 3.6Andreanof Islands, Aleutian Islands, AlaskaTue, Apr 25, 12:53 AM HADT · 3447 days ago · 168 km deep · 53 km away
10. 3.067 km ENE of Atka, AlaskaThu, Apr 27, 8:15 PM HADT · 3445 days ago · 13 km deep · 61 km away
11. 2.735 km NE of Atka, AlaskaSun, Apr 30, 3:10 AM HADT · 3442 days ago · 149 km deep · 22 km away
12. 2.420 km WNW of Atka, AlaskaSun, Apr 30, 6:20 PM HADT · 3442 days ago · 188 km deep · 24 km away
13. 2.667 km ENE of Atka, AlaskaMon, May 1, 8:44 AM HADT · 3441 days ago · 101 km deep · 60 km away
14. 3.366 km S of Atka, AlaskaSat, May 6, 1:33 AM HADT · 3436 days ago · 24 km deep · 87 km away
15. 2.117 km ESE of Atka, AlaskaSun, May 14, 9:29 AM HADT · 3428 days ago · 22 km deep · 32 km away
16. 4.845 km ENE of Atka, AlaskaMon, May 15, 5:31 AM HADT · 3427 days ago · 10 km deep · 43 km away
17. 3.546 km NE of Atka, AlaskaMon, May 15, 5:45 AM HADT · 3427 days ago · 4 km deep · 35 km away
18. 1.743 km E of Atka, AlaskaMon, May 15, 6:19 AM HADT · 3427 days ago · 6 km deep · 42 km away
19. 2.644 km E of Atka, AlaskaMon, May 15, 9:03 AM HADT · 3427 days ago · 5 km deep · 43 km away
20. 2.539 km E of Atka, AlaskaMon, May 15, 9:08 AM HADT · 3427 days ago · 5 km deep · 39 km away
21. 1.945 km NE of Atka, AlaskaMon, May 15, 9:53 AM HADT · 3427 days ago · 5 km deep · 32 km away
22. 3.544 km ENE of Atka, AlaskaMon, May 15, 11:25 AM HADT · 3427 days ago · 6 km deep · 41 km away
23. 2.378 km SSW of Atka, AlaskaFri, May 19, 6:49 PM HADT · 3423 days ago · 4 km deep · 99 km away
24. 2.3101 km NNW of Atka, AlaskaMon, May 22, 2:30 AM HADT · 3420 days ago · 158 km deep · 86 km away
25. 2.629 km NNW of Atka, AlaskaMon, May 22, 6:53 PM HADT · 3420 days ago · 166 km deep · 15 km away
26. 3.048 km NE of Atka, AlaskaThu, May 25, 4:38 PM HADT · 3417 days ago · 123 km deep · 36 km away
27. 3.262 km SSE of Atka, AlaskaMon, May 29, 9:27 AM HADT · 3413 days ago · 35 km deep · 80 km away
28. 4.787 km E of Adak, AlaskaTue, May 30, 11:13 PM HADT · 3412 days ago · 50 km deep · 99 km away
29. 3.162 km SSE of Atka, AlaskaWed, May 31, 11:35 AM HADT · 3411 days ago · 35 km deep · 80 km away
30. 1.642 km SW of Atka, AlaskaWed, May 31, 3:25 PM HADT · 3411 days ago · 60 km deep · 60 km away
31. 2.380 km ENE of Adak, AlaskaSat, Jun 3, 5:49 AM HADT · 3408 days ago · 89 km deep · 97 km away
32. 4.6Andreanof Islands, Aleutian Islands, AlaskaMon, Jun 5, 4:43 AM HADT · 3406 days ago · 221 km deep · 44 km away
33. 3.153 km SW of Atka, AlaskaWed, Jun 7, 3:25 PM HADT · 3404 days ago · 51 km deep · 71 km away
34. 2.556 km WSW of Atka, AlaskaWed, Jun 7, 3:35 PM HADT · 3404 days ago · 66 km deep · 71 km away
35. 1.962 km W of Atka, AlaskaFri, Jun 9, 1:01 AM HADT · 3402 days ago · 7 km deep · 69 km away
36. 2.238 km ESE of Atka, AlaskaFri, Jun 9, 7:05 AM HADT · 3402 days ago · 9 km deep · 47 km away
37. 3.656 km W of Atka, AlaskaSun, Jun 11, 3:44 AM HADT · 3400 days ago · 81 km deep · 65 km away
38. 2.683 km W of Atka, AlaskaThu, Jun 15, 5:38 AM HADT · 3396 days ago · 235 km deep · 85 km away

Before

1. 2.539 km SW of Atka, AlaskaWed, Apr 12, 3:09 PM HADT · 3460 days ago · 8 km deep · 58 km away
2. 2.060 km W of Atka, AlaskaTue, Apr 4, 6:05 PM HADT · 3468 days ago · 79 km deep · 66 km away
3. 3.263 km SE of Atka, AlaskaTue, Apr 4, 7:33 AM HADT · 3468 days ago · 41 km deep · 77 km away
4. 1.945 km ESE of Atka, AlaskaMon, Apr 3, 10:31 PM HADT · 3469 days ago · 1 km deep · 53 km away
5. 2.371 km E of Atka, AlaskaMon, Apr 3, 6:15 PM HADT · 3469 days ago · 5 km deep · 68 km away
6. 1.940 km SSW of Atka, AlaskaSat, Apr 1, 9:39 PM HADT · 3471 days ago · 38 km deep · 61 km away
7. 2.167 km SSE of Atka, AlaskaSat, Apr 1, 9:39 AM HADT · 3471 days ago · 46 km deep · 86 km away
8. 4.369 km NNW of Atka, AlaskaWed, Mar 29, 11:40 AM HADT · 3474 days ago · 195 km deep · 54 km away
9. 3.925 km NNW of Atka, AlaskaSun, Mar 26, 1:59 PM HADT · 3477 days ago · 222 km deep · 12 km away
10. 2.722 km W of Atka, AlaskaSat, Mar 25, 11:22 PM HADT · 3478 days ago · 121 km deep · 31 km away
11. 3.9104 km NE of Atka, AlaskaSat, Mar 25, 10:35 AM HADT · 3478 days ago · 184 km deep · 90 km away
12. 3.558 km SW of Atka, AlaskaFri, Mar 24, 12:48 PM HADT · 3479 days ago · 66 km deep · 74 km away
13. 2.964 km NE of Atka, AlaskaThu, Mar 23, 8:22 AM HADT · 3480 days ago · 96 km deep · 52 km away
14. 2.599 km NE of Atka, AlaskaWed, Mar 22, 9:58 PM HADT · 3481 days ago · 142 km deep · 82 km away
15. 3.453 km NW of Atka, AlaskaWed, Mar 22, 8:22 AM HADT · 3481 days ago · 219 km deep · 40 km away
16. 2.242 km ENE of Atka, AlaskaTue, Mar 21, 12:39 AM HADT · 3483 days ago · 7 km deep · 38 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0174wza9d0 (also filed as ak15819506). Read Fri, Oct 2, 2026, 9:17 PM UTC.