M4.5 earthquake 93 km SSE of Atka, Alaska

Magnitude

4.5 (mb), light

Local time

Sun, May 17, 2020, 9:37 PM HADT

UTC

2020-05-18 06:37:30 UTC

Depth

28.3 km (17.6 mi), shallow

Epicenter

51.475° N, 173.502° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 5.0 km horizontally, 5.3 km in depth

Magnitude uncertainty

±0.03

Depth from

From location

Station coverage gap

140°

Stations used

79

After

1. 2.678 km E of Atka, AlaskaMon, May 18, 10:19 AM HADT · 2326 days ago · 35 km deep · 83 km away
2. 3.791 km SSE of Atka, AlaskaMon, May 18, 1:26 PM HADT · 2326 days ago · 42 km deep · 3 km away
3. 2.868 km ESE of Atka, AlaskaTue, May 19, 7:26 PM HADT · 2325 days ago · 61 km deep · 44 km away
4. 2.2110 km SSE of Atka, AlaskaWed, May 20, 10:20 AM HADT · 2324 days ago · 4 km deep · 17 km away
5. 1.947 km SSW of Atka, AlaskaWed, May 20, 9:30 PM HADT · 2324 days ago · 28 km deep · 73 km away
6. 2.989 km SSE of Atka, AlaskaWed, May 20, 9:51 PM HADT · 2324 days ago · 16 km deep · 5 km away
7. 2.859 km ESE of Atka, AlaskaThu, May 21, 1:36 AM HADT · 2324 days ago · 6 km deep · 49 km away
8. 3.0102 km SSE of Atka, AlaskaThu, May 21, 3:02 PM HADT · 2323 days ago · 35 km deep · 9 km away
9. 2.788 km SSE of Atka, AlaskaThu, May 21, 4:55 PM HADT · 2323 days ago · 35 km deep · 10 km away
10. 3.170 km E of Atka, AlaskaSat, May 23, 2:36 AM HADT · 2322 days ago · 167 km deep · 93 km away
11. 1.760 km SW of Atka, AlaskaSun, May 24, 9:59 PM HADT · 2320 days ago · 40 km deep · 93 km away
12. 1.747 km S of Atka, AlaskaMon, May 25, 8:36 PM HADT · 2319 days ago · 51 km deep · 56 km away
13. 1.644 km E of Atka, AlaskaTue, May 26, 5:35 AM HADT · 2318 days ago · 13 km deep · 84 km away
14. 1.86 km S of Atka, AlaskaTue, May 26, 6:28 PM HADT · 2318 days ago · 13 km deep · 88 km away
15. 2.05 km S of Atka, AlaskaTue, May 26, 6:41 PM HADT · 2318 days ago · 12 km deep · 89 km away
16. 2.965 km ESE of Atka, AlaskaWed, May 27, 6:08 PM HADT · 2317 days ago · 67 km deep · 62 km away
17. 1.845 km SSW of Atka, AlaskaSat, May 30, 12:23 PM HADT · 2314 days ago · 26 km deep · 69 km away
18. 1.9132 km SSE of Atka, AlaskaSat, May 30, 6:56 PM HADT · 2314 days ago · 14 km deep · 45 km away
19. 1.873 km SE of Atka, AlaskaSun, May 31, 10:02 AM HADT · 2313 days ago · 12 km deep · 21 km away
20. 2.9170 km SSE of Atka, AlaskaMon, Jun 1, 2:22 AM HADT · 2313 days ago · 10 km deep · 82 km away
21. 2.0Andreanof Islands, Aleutian Islands, AlaskaMon, Jun 1, 11:48 AM HADT · 2312 days ago · 74 km deep · 64 km away
22. 2.9178 km SE of Atka, AlaskaMon, Jun 1, 1:02 PM HADT · 2312 days ago · 10 km deep · 85 km away
23. 1.988 km SE of Atka, AlaskaTue, Jun 2, 2:10 AM HADT · 2312 days ago · 8 km deep · 9 km away
24. 1.637 km SW of Atka, AlaskaWed, Jun 3, 5:47 PM HADT · 2310 days ago · 23 km deep · 93 km away
25. 1.9135 km ESE of Atka, AlaskaThu, Jun 4, 7:33 PM HADT · 2309 days ago · 36 km deep · 81 km away
26. 1.641 km ESE of Atka, AlaskaSat, Jun 6, 7:34 PM HADT · 2307 days ago · 78 km deep · 62 km away
27. 1.954 km SSW of Atka, AlaskaSat, Jun 6, 10:18 PM HADT · 2307 days ago · 22 km deep · 74 km away
28. 1.852 km SSE of Atka, AlaskaMon, Jun 8, 2:23 PM HADT · 2305 days ago · 35 km deep · 42 km away
29. 1.946 km SW of Atka, AlaskaWed, Jun 10, 6:16 AM HADT · 2303 days ago · 49 km deep · 85 km away
30. 3.381 km ESE of Atka, AlaskaWed, Jun 10, 11:46 AM HADT · 2303 days ago · 10 km deep · 56 km away
31. 1.764 km SSE of Atka, AlaskaFri, Jun 12, 9:41 AM HADT · 2301 days ago · 9 km deep · 39 km away
32. 2.840 km SE of Atka, AlaskaFri, Jun 12, 10:28 AM HADT · 2301 days ago · 164 km deep · 55 km away
33. 1.691 km S of Atka, AlaskaSat, Jun 13, 3:24 PM HADT · 2300 days ago · 40 km deep · 33 km away
34. 1.962 km SSE of Atka, AlaskaSun, Jun 14, 6:40 PM HADT · 2299 days ago · 25 km deep · 36 km away
35. 2.781 km SE of Atka, AlaskaSun, Jun 14, 6:46 PM HADT · 2299 days ago · 24 km deep · 37 km away
36. 2.19 km SSW of Atka, AlaskaSun, Jun 14, 10:57 PM HADT · 2299 days ago · 161 km deep · 90 km away
37. 1.864 km ESE of Atka, AlaskaWed, Jun 17, 1:35 AM HADT · 2297 days ago · 59 km deep · 49 km away
38. 1.859 km SW of Atka, AlaskaThu, Jun 18, 12:12 AM HADT · 2296 days ago · 24 km deep · 92 km away
39. 1.643 km SW of Atka, AlaskaThu, Jun 18, 1:22 AM HADT · 2296 days ago · 78 km deep · 85 km away
40. 2.072 km SSE of Atka, AlaskaFri, Jun 19, 3:52 PM HADT · 2294 days ago · 5 km deep · 23 km away
41. 2.135 km ENE of Atka, AlaskaSun, Jun 21, 7:53 AM HADT · 2292 days ago · 151 km deep · 90 km away
42. 1.744 km E of Atka, AlaskaMon, Jun 22, 5:19 AM HADT · 2291 days ago · 7 km deep · 77 km away
43. 1.683 km ESE of Atka, AlaskaMon, Jun 22, 10:37 AM HADT · 2291 days ago · 46 km deep · 46 km away
44. 3.131 km ESE of Atka, AlaskaMon, Jun 22, 4:59 PM HADT · 2291 days ago · 120 km deep · 72 km away
45. 1.566 km SSE of Atka, AlaskaTue, Jun 23, 4:29 AM HADT · 2290 days ago · 9 km deep · 35 km away
46. 1.87 km WSW of Atka, AlaskaTue, Jun 23, 3:06 PM HADT · 2290 days ago · 7 km deep · 94 km away
47. 1.839 km ESE of Atka, AlaskaTue, Jun 23, 5:09 PM HADT · 2290 days ago · 71 km deep · 67 km away
48. 1.686 km S of Atka, AlaskaTue, Jun 23, 8:33 PM HADT · 2290 days ago · 41 km deep · 57 km away
49. 4.119 km SSE of Atka, AlaskaWed, Jun 24, 12:41 AM HADT · 2290 days ago · 59 km deep · 74 km away
50. 3.5141 km SE of Atka, AlaskaWed, Jun 24, 4:50 AM HADT · 2289 days ago · 35 km deep · 65 km away
51. 1.535 km S of Atka, AlaskaWed, Jun 24, 2:38 PM HADT · 2289 days ago · 24 km deep · 64 km away
52. 2.973 km E of Atka, AlaskaWed, Jun 24, 10:41 PM HADT · 2289 days ago · 61 km deep · 77 km away
53. 3.364 km SSW of Atka, AlaskaFri, Jun 26, 6:37 AM HADT · 2287 days ago · 35 km deep · 74 km away
54. 2.0138 km S of Atka, AlaskaFri, Jun 26, 3:13 PM HADT · 2287 days ago · 7 km deep · 61 km away
55. 2.0100 km ESE of Atka, AlaskaMon, Jun 29, 10:10 PM HADT · 2284 days ago · 39 km deep · 67 km away
56. 2.9170 km S of Atka, AlaskaWed, Jul 1, 9:31 PM HADT · 2282 days ago · 10 km deep · 94 km away
57. 1.845 km ENE of Atka, AlaskaWed, Jul 1, 11:57 PM HADT · 2282 days ago · 4 km deep · 99 km away
58. 1.987 km ESE of Atka, AlaskaThu, Jul 2, 7:49 PM HADT · 2281 days ago · 37 km deep · 48 km away
59. 3.187 km ESE of Atka, AlaskaFri, Jul 3, 6:27 PM HADT · 2280 days ago · 170 km deep · 73 km away
60. 2.848 km S of Atka, AlaskaSat, Jul 4, 11:44 AM HADT · 2279 days ago · 29 km deep · 65 km away

The first 60 of 84.

Before

1. 2.6140 km S of Atka, AlaskaSun, May 17, 2:01 PM HADT · 2327 days ago · 10 km deep · 64 km away
2. 2.186 km SW of Atka, AlaskaSat, May 16, 6:14 PM HADT · 2328 days ago · 26 km deep · 98 km away
3. 1.672 km ESE of Atka, AlaskaFri, May 15, 7:33 AM HADT · 2329 days ago · 54 km deep · 52 km away
4. 1.778 km SSE of Atka, AlaskaThu, May 14, 3:14 PM HADT · 2330 days ago · 25 km deep · 26 km away
5. 2.595 km SSW of Atka, AlaskaThu, May 14, 10:05 AM HADT · 2330 days ago · 24 km deep · 96 km away
6. 1.67 km S of Atka, AlaskaThu, May 14, 9:28 AM HADT · 2330 days ago · 14 km deep · 87 km away
7. 3.664 km ESE of Atka, AlaskaThu, May 14, 1:44 AM HADT · 2331 days ago · 73 km deep · 58 km away
8. 1.972 km SW of Atka, AlaskaSun, May 10, 3:13 PM HADT · 2334 days ago · 20 km deep · 100 km away
9. 3.14 km ESE of Atka, AlaskaTue, May 5, 10:35 PM HADT · 2339 days ago · 185 km deep · 90 km away
10. 2.242 km ENE of Atka, AlaskaSat, May 2, 10:26 PM HADT · 2342 days ago · 121 km deep · 89 km away
11. 3.777 km E of Atka, AlaskaSat, May 2, 11:33 AM HADT · 2342 days ago · 150 km deep · 90 km away
12. 1.839 km E of Atka, AlaskaFri, May 1, 8:41 PM HADT · 2343 days ago · 5 km deep · 83 km away
13. 1.974 km SE of Atka, AlaskaFri, May 1, 10:50 AM HADT · 2343 days ago · 106 km deep · 24 km away
14. 1.659 km SSE of Atka, AlaskaThu, Apr 30, 3:42 PM HADT · 2344 days ago · 8 km deep · 42 km away
15. 2.7104 km ESE of Atka, AlaskaWed, Apr 29, 1:14 PM HADT · 2345 days ago · 35 km deep · 53 km away
16. 1.939 km E of Atka, AlaskaSat, Apr 25, 3:29 PM HADT · 2349 days ago · 81 km deep · 75 km away
17. 3.261 km ESE of Atka, AlaskaFri, Apr 24, 7:25 PM HADT · 2350 days ago · 67 km deep · 55 km away
18. 2.9108 km ESE of Atka, AlaskaThu, Apr 23, 3:34 PM HADT · 2351 days ago · 35 km deep · 48 km away
19. 1.937 km E of Atka, AlaskaThu, Apr 23, 5:55 AM HADT · 2351 days ago · 16 km deep · 77 km away
20. 2.857 km SW of Atka, AlaskaTue, Apr 21, 12:37 AM HADT · 2354 days ago · 35 km deep · 93 km away

From the USGS Earthquake Hazards Program and its partner networks, event us70009jgf (also filed as ak0206dzhugf). Read Thu, Oct 1, 2026, 12:06 AM UTC.