M1.7 earthquake 120 km W of Adak, Alaska

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Mon, Jul 13, 2020, 6:18 PM HADT

UTC

2020-07-14 03:18:25 UTC

Depth

17.4 km (10.8 mi), shallow

Epicenter

51.939° N, 178.376° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.4 km horizontally, 2.3 km in depth

Magnitude uncertainty

±0.19

Depth from

From location

Station coverage gap

337°, poorly surrounded by stations

Stations used

5

After

1. 1.8107 km WSW of Adak, AlaskaMon, Jul 13, 8:12 PM HADT · 2270 days ago · 20 km deep · 72 km away
2. 1.6133 km WSW of Adak, AlaskaTue, Jul 14, 4:48 AM HADT · 2270 days ago · 79 km deep · 36 km away
3. 2.168 km WSW of Adak, AlaskaTue, Jul 14, 9:04 AM HADT · 2269 days ago · 61 km deep · 74 km away
4. 3.1210 km W of Adak, AlaskaTue, Jul 14, 1:16 PM HADT · 2269 days ago · 205 km deep · 91 km away
5. 5.252 km WNW of Adak, AlaskaTue, Jul 14, 11:59 PM HADT · 2269 days ago · 12 km deep · 69 km away · felt by 2 · tsunami flag
6. 2.655 km WNW of Adak, AlaskaWed, Jul 15, 12:14 AM HADT · 2269 days ago · 10 km deep · 73 km away
7. 2.850 km W of Adak, AlaskaWed, Jul 15, 12:24 AM HADT · 2269 days ago · 18 km deep · 71 km away
8. 1.650 km W of Adak, AlaskaWed, Jul 15, 12:27 AM HADT · 2269 days ago · 14 km deep · 71 km away
9. 1.650 km W of Adak, AlaskaWed, Jul 15, 4:09 AM HADT · 2269 days ago · 11 km deep · 70 km away
10. 1.650 km W of Adak, AlaskaWed, Jul 15, 11:07 AM HADT · 2268 days ago · 12 km deep · 70 km away
11. 1.750 km W of Adak, AlaskaThu, Jul 16, 1:33 AM HADT · 2268 days ago · 8 km deep · 70 km away
12. 1.584 km W of Adak, AlaskaThu, Jul 16, 2:54 AM HADT · 2268 days ago · 8 km deep · 37 km away
13. 2.338 km WSW of Adak, AlaskaThu, Jul 16, 12:10 PM HADT · 2267 days ago · 15 km deep · 85 km away
14. 1.781 km W of Adak, AlaskaThu, Jul 16, 6:08 PM HADT · 2267 days ago · 4 km deep · 40 km away
15. 1.8136 km WSW of Adak, AlaskaFri, Jul 17, 4:49 AM HADT · 2267 days ago · 25 km deep · 67 km away
16. 3.879 km SW of Adak, AlaskaFri, Jul 17, 12:38 PM HADT · 2266 days ago · 32 km deep · 89 km away
17. 1.8115 km WSW of Adak, AlaskaSun, Jul 19, 6:14 AM HADT · 2265 days ago · 13 km deep · 40 km away
18. 1.670 km SW of Adak, AlaskaSun, Jul 19, 6:29 AM HADT · 2265 days ago · 47 km deep · 94 km away
19. 1.9126 km WSW of Adak, AlaskaTue, Jul 21, 3:18 AM HADT · 2263 days ago · 74 km deep · 36 km away
20. 1.9149 km WSW of Adak, AlaskaTue, Jul 21, 1:08 PM HADT · 2262 days ago · 4 km deep · 60 km away
21. 1.6142 km SW of Adak, AlaskaTue, Jul 21, 3:15 PM HADT · 2262 days ago · 26 km deep · 94 km away
22. 1.898 km WSW of Adak, AlaskaTue, Jul 21, 8:51 PM HADT · 2262 days ago · 40 km deep · 70 km away
23. 4.9170 km WSW of Adak, AlaskaWed, Jul 22, 2:06 PM HADT · 2261 days ago · 45 km deep · 76 km away
24. 1.7183 km W of Adak, AlaskaWed, Jul 22, 6:17 PM HADT · 2261 days ago · 80 km deep · 68 km away
25. 2.4123 km SW of Adak, AlaskaWed, Jul 22, 9:55 PM HADT · 2261 days ago · 16 km deep · 91 km away
26. 1.8179 km WSW of Adak, AlaskaThu, Jul 23, 2:42 AM HADT · 2261 days ago · 28 km deep · 96 km away
27. 2.1141 km WSW of Adak, AlaskaThu, Jul 23, 5:18 AM HADT · 2261 days ago · 26 km deep · 74 km away
28. 4.3120 km WNW of Adak, AlaskaThu, Jul 23, 1:08 PM HADT · 2260 days ago · 234 km deep · 56 km away
29. 2.9184 km W of Adak, AlaskaThu, Jul 23, 3:40 PM HADT · 2260 days ago · 176 km deep · 65 km away
30. 1.679 km W of Adak, AlaskaThu, Jul 23, 3:50 PM HADT · 2260 days ago · 1 km deep · 42 km away
31. 1.976 km W of Adak, AlaskaFri, Jul 24, 10:33 AM HADT · 2259 days ago · 103 km deep · 45 km away
32. 2.1174 km WSW of Adak, AlaskaFri, Jul 24, 12:51 PM HADT · 2259 days ago · 24 km deep · 91 km away
33. 1.865 km WSW of Adak, AlaskaFri, Jul 24, 4:50 PM HADT · 2259 days ago · 72 km deep · 67 km away
34. 1.981 km WSW of Adak, AlaskaSat, Jul 25, 3:24 AM HADT · 2259 days ago · 65 km deep · 59 km away
35. 1.6132 km WSW of Adak, AlaskaSun, Jul 26, 9:56 AM HADT · 2257 days ago · 7 km deep · 34 km away
36. 1.798 km W of Adak, AlaskaMon, Jul 27, 2:29 PM HADT · 2256 days ago · 134 km deep · 26 km away
37. 1.577 km SW of Adak, AlaskaMon, Jul 27, 8:58 PM HADT · 2256 days ago · 22 km deep · 83 km away
38. 1.853 km W of Adak, AlaskaTue, Jul 28, 7:54 AM HADT · 2256 days ago · 21 km deep · 69 km away
39. 1.583 km SW of Adak, AlaskaTue, Jul 28, 10:31 AM HADT · 2255 days ago · 36 km deep · 77 km away
40. 1.9124 km W of Adak, AlaskaTue, Jul 28, 1:55 PM HADT · 2255 days ago · 186 km deep · 8 km away
41. 2.0147 km WSW of Adak, AlaskaTue, Jul 28, 5:19 PM HADT · 2255 days ago · 26 km deep · 81 km away
42. 1.7186 km WSW of Adak, AlaskaTue, Jul 28, 5:28 PM HADT · 2255 days ago · 23 km deep · 100 km away
43. 1.658 km W of Adak, AlaskaWed, Jul 29, 1:30 AM HADT · 2255 days ago · 7 km deep · 62 km away
44. 1.5121 km WSW of Adak, AlaskaWed, Jul 29, 1:40 AM HADT · 2255 days ago · 30 km deep · 45 km away
45. 1.9153 km WSW of Adak, AlaskaWed, Jul 29, 4:49 AM HADT · 2255 days ago · 53 km deep · 70 km away
46. 1.573 km SW of Adak, AlaskaWed, Jul 29, 9:26 PM HADT · 2254 days ago · 35 km deep · 85 km away
47. 1.6189 km WSW of Adak, AlaskaThu, Jul 30, 8:37 AM HADT · 2253 days ago · 22 km deep · 91 km away
48. 1.8105 km WSW of Adak, AlaskaThu, Jul 30, 4:24 PM HADT · 2253 days ago · 19 km deep · 64 km away
49. 1.782 km W of Adak, AlaskaThu, Jul 30, 4:56 PM HADT · 2253 days ago · 10 km deep · 40 km away
50. 1.768 km SW of Adak, AlaskaThu, Jul 30, 5:10 PM HADT · 2253 days ago · 26 km deep · 96 km away
51. 1.6122 km WSW of Adak, AlaskaThu, Jul 30, 5:46 PM HADT · 2253 days ago · 26 km deep · 62 km away
52. 1.6124 km SW of Adak, AlaskaThu, Jul 30, 10:16 PM HADT · 2253 days ago · 22 km deep · 92 km away
53. 1.8134 km SW of Adak, AlaskaFri, Jul 31, 5:34 AM HADT · 2253 days ago · 22 km deep · 88 km away
54. 1.5118 km WSW of Adak, AlaskaFri, Jul 31, 12:48 PM HADT · 2252 days ago · 23 km deep · 75 km away
55. 1.843 km WNW of Adak, AlaskaFri, Jul 31, 5:24 PM HADT · 2252 days ago · 13 km deep · 81 km away
56. 2.939 km WSW of Adak, AlaskaSat, Aug 1, 2:22 AM HADT · 2252 days ago · 17 km deep · 92 km away
57. 2.6124 km SW of Adak, AlaskaSat, Aug 1, 9:19 AM HADT · 2251 days ago · 35 km deep · 92 km away
58. 2.8181 km WSW of Adak, AlaskaSat, Aug 1, 10:34 AM HADT · 2251 days ago · 30 km deep · 99 km away
59. 1.551 km W of Adak, AlaskaSat, Aug 1, 11:54 AM HADT · 2251 days ago · 7 km deep · 69 km away
60. 3.9151 km WSW of Adak, AlaskaSun, Aug 2, 4:58 AM HADT · 2251 days ago · 35 km deep · 89 km away

The first 60 of 186.

Before

1. 1.5107 km SW of Adak, AlaskaMon, Jul 13, 6:16 AM HADT · 2271 days ago · 26 km deep · 82 km away
2. 2.2207 km W of Adak, AlaskaSun, Jul 12, 3:41 PM HADT · 2271 days ago · 90 km deep · 90 km away
3. 1.664 km SW of Adak, AlaskaSat, Jul 11, 6:41 PM HADT · 2272 days ago · 57 km deep · 89 km away
4. 1.7128 km WSW of Adak, AlaskaSat, Jul 11, 10:58 AM HADT · 2272 days ago · 9 km deep · 37 km away
5. 1.5144 km WSW of Adak, AlaskaFri, Jul 10, 7:38 AM HADT · 2274 days ago · 7 km deep · 50 km away
6. 1.8197 km WSW of Adak, AlaskaThu, Jul 9, 4:20 PM HADT · 2274 days ago · 24 km deep · 94 km away
7. 1.5129 km W of Adak, AlaskaThu, Jul 9, 3:33 PM HADT · 2274 days ago · 9 km deep · 31 km away
8. 1.6152 km WSW of Adak, AlaskaThu, Jul 9, 2:20 PM HADT · 2274 days ago · 26 km deep · 86 km away
9. 1.8163 km WSW of Adak, AlaskaThu, Jul 9, 1:03 PM HADT · 2274 days ago · 23 km deep · 97 km away
10. 3.4124 km SW of Adak, AlaskaThu, Jul 9, 6:13 AM HADT · 2275 days ago · 30 km deep · 81 km away
11. 1.5179 km W of Adak, AlaskaThu, Jul 9, 2:27 AM HADT · 2275 days ago · 7 km deep · 61 km away
12. 2.077 km W of Adak, AlaskaWed, Jul 8, 8:55 PM HADT · 2275 days ago · 9 km deep · 44 km away
13. 2.6213 km W of Adak, AlaskaWed, Jul 8, 4:15 PM HADT · 2275 days ago · 121 km deep · 95 km away
14. 1.7178 km WSW of Adak, AlaskaWed, Jul 8, 4:12 PM HADT · 2275 days ago · 26 km deep · 82 km away
15. 1.5135 km W of Adak, AlaskaWed, Jul 8, 12:39 PM HADT · 2275 days ago · 20 km deep · 19 km away
16. 1.6Andreanof Islands, Aleutian Islands, AlaskaWed, Jul 8, 1:05 AM HADT · 2276 days ago · 26 km deep · 67 km away
17. 1.575 km WSW of Adak, AlaskaTue, Jul 7, 11:04 PM HADT · 2276 days ago · 25 km deep · 70 km away
18. 2.177 km WSW of Adak, AlaskaTue, Jul 7, 10:48 PM HADT · 2276 days ago · 186 km deep · 52 km away
19. 3.9138 km WNW of Adak, AlaskaTue, Jul 7, 10:05 PM HADT · 2276 days ago · 180 km deep · 39 km away
20. 1.675 km SW of Adak, AlaskaTue, Jul 7, 5:18 PM HADT · 2276 days ago · 30 km deep · 79 km away

From the USGS Earthquake Hazards Program and its partner networks, event av62197216. Read Thu, Oct 1, 2026, 4:45 AM UTC.