M1.9 earthquake 149 km WSW of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Tue, Jul 21, 2020, 1:08 PM HADT

UTC

2020-07-21 22:08:06 UTC

Depth

3.9 km (2.4 mi), shallow

Epicenter

51.429° N, 178.674° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

20

After

1. 1.6142 km SW of Adak, AlaskaTue, Jul 21, 3:15 PM HADT · 2266 days ago · 26 km deep · 47 km away
2. 1.898 km WSW of Adak, AlaskaTue, Jul 21, 8:51 PM HADT · 2266 days ago · 40 km deep · 58 km away
3. 4.9170 km WSW of Adak, AlaskaWed, Jul 22, 2:06 PM HADT · 2265 days ago · 45 km deep · 21 km away
4. 1.9239 km WSW of Adak, AlaskaWed, Jul 22, 1:07 PM GMT-12 · 2265 days ago · 13 km deep · 90 km away
5. 1.7183 km W of Adak, AlaskaWed, Jul 22, 6:17 PM HADT · 2265 days ago · 80 km deep · 51 km away
6. 2.4123 km SW of Adak, AlaskaWed, Jul 22, 9:55 PM HADT · 2265 days ago · 16 km deep · 56 km away
7. 1.8179 km WSW of Adak, AlaskaThu, Jul 23, 2:42 AM HADT · 2265 days ago · 28 km deep · 36 km away
8. 2.1141 km WSW of Adak, AlaskaThu, Jul 23, 5:18 AM HADT · 2265 days ago · 26 km deep · 23 km away
9. 2.9184 km W of Adak, AlaskaThu, Jul 23, 3:40 PM HADT · 2264 days ago · 176 km deep · 63 km away
10. 1.679 km W of Adak, AlaskaThu, Jul 23, 3:50 PM HADT · 2264 days ago · 1 km deep · 78 km away
11. 1.976 km W of Adak, AlaskaFri, Jul 24, 10:33 AM HADT · 2264 days ago · 103 km deep · 78 km away
12. 2.1174 km WSW of Adak, AlaskaFri, Jul 24, 12:51 PM HADT · 2263 days ago · 24 km deep · 31 km away
13. 1.865 km WSW of Adak, AlaskaFri, Jul 24, 4:50 PM HADT · 2263 days ago · 72 km deep · 84 km away
14. 1.981 km WSW of Adak, AlaskaSat, Jul 25, 3:24 AM HADT · 2263 days ago · 65 km deep · 68 km away
15. 1.7237 km WSW of Adak, AlaskaSat, Jul 25, 3:45 AM HADT · 2263 days ago · 26 km deep · 89 km away
16. 3.7182 km WSW of Adak, AlaskaSat, Jul 25, 1:22 PM HADT · 2262 days ago · 21 km deep · 42 km away
17. 1.6132 km WSW of Adak, AlaskaSun, Jul 26, 9:56 AM HADT · 2262 days ago · 7 km deep · 26 km away
18. 1.798 km W of Adak, AlaskaMon, Jul 27, 2:29 PM HADT · 2260 days ago · 134 km deep · 59 km away
19. 1.577 km SW of Adak, AlaskaMon, Jul 27, 8:58 PM HADT · 2260 days ago · 22 km deep · 81 km away
20. 1.853 km W of Adak, AlaskaTue, Jul 28, 7:54 AM HADT · 2260 days ago · 21 km deep · 97 km away
21. 1.583 km SW of Adak, AlaskaTue, Jul 28, 10:31 AM HADT · 2260 days ago · 36 km deep · 74 km away
22. 1.9124 km W of Adak, AlaskaTue, Jul 28, 1:55 PM HADT · 2259 days ago · 186 km deep · 65 km away
23. 2.0147 km WSW of Adak, AlaskaTue, Jul 28, 5:19 PM HADT · 2259 days ago · 26 km deep · 28 km away
24. 1.7186 km WSW of Adak, AlaskaTue, Jul 28, 5:28 PM HADT · 2259 days ago · 23 km deep · 41 km away
25. 1.658 km W of Adak, AlaskaWed, Jul 29, 1:30 AM HADT · 2259 days ago · 7 km deep · 97 km away
26. 1.5121 km WSW of Adak, AlaskaWed, Jul 29, 1:40 AM HADT · 2259 days ago · 30 km deep · 28 km away
27. 1.9153 km WSW of Adak, AlaskaWed, Jul 29, 4:49 AM HADT · 2259 days ago · 53 km deep · 10 km away
28. 1.573 km SW of Adak, AlaskaWed, Jul 29, 9:26 PM HADT · 2258 days ago · 35 km deep · 86 km away
29. 1.6189 km WSW of Adak, AlaskaThu, Jul 30, 8:37 AM HADT · 2258 days ago · 22 km deep · 40 km away
30. 1.6213 km WSW of Adak, AlaskaThu, Jul 30, 11:42 AM HADT · 2257 days ago · 13 km deep · 64 km away
31. 1.8105 km WSW of Adak, AlaskaThu, Jul 30, 4:24 PM HADT · 2257 days ago · 19 km deep · 49 km away
32. 1.782 km W of Adak, AlaskaThu, Jul 30, 4:56 PM HADT · 2257 days ago · 10 km deep · 74 km away
33. 1.768 km SW of Adak, AlaskaThu, Jul 30, 5:10 PM HADT · 2257 days ago · 26 km deep · 97 km away
34. 1.6122 km WSW of Adak, AlaskaThu, Jul 30, 5:46 PM HADT · 2257 days ago · 26 km deep · 31 km away
35. 1.6124 km SW of Adak, AlaskaThu, Jul 30, 10:16 PM HADT · 2257 days ago · 22 km deep · 57 km away
36. 1.8134 km SW of Adak, AlaskaFri, Jul 31, 5:34 AM HADT · 2257 days ago · 22 km deep · 45 km away
37. 1.5118 km WSW of Adak, AlaskaFri, Jul 31, 12:48 PM HADT · 2256 days ago · 23 km deep · 45 km away
38. 2.6124 km SW of Adak, AlaskaSat, Aug 1, 9:19 AM HADT · 2256 days ago · 35 km deep · 56 km away
39. 2.1217 km WSW of Adak, AlaskaSat, Aug 1, 10:20 AM HADT · 2256 days ago · 10 km deep · 71 km away
40. 2.8181 km WSW of Adak, AlaskaSat, Aug 1, 10:34 AM HADT · 2256 days ago · 30 km deep · 39 km away
41. 3.9151 km WSW of Adak, AlaskaSun, Aug 2, 4:58 AM HADT · 2255 days ago · 35 km deep · 34 km away
42. 1.677 km WSW of Adak, AlaskaSun, Aug 2, 7:58 AM HADT · 2255 days ago · 40 km deep · 74 km away
43. 1.8143 km WSW of Adak, AlaskaSun, Aug 2, 6:53 PM HADT · 2254 days ago · 23 km deep · 35 km away
44. 1.787 km SW of Adak, AlaskaSun, Aug 2, 7:00 PM HADT · 2254 days ago · 35 km deep · 69 km away
45. 3.6139 km WSW of Adak, AlaskaMon, Aug 3, 3:19 AM HADT · 2254 days ago · 29 km deep · 32 km away
46. 2.584 km SW of Adak, AlaskaMon, Aug 3, 10:21 AM HADT · 2254 days ago · 36 km deep · 75 km away
47. 1.8244 km WSW of Adak, AlaskaMon, Aug 3, 1:03 PM GMT-12 · 2253 days ago · 15 km deep · 94 km away
48. 1.586 km W of Adak, AlaskaMon, Aug 3, 5:54 PM HADT · 2253 days ago · 5 km deep · 73 km away
49. 1.5142 km WSW of Adak, AlaskaTue, Aug 4, 12:05 AM HADT · 2253 days ago · 28 km deep · 34 km away
50. 2.7125 km WSW of Adak, AlaskaWed, Aug 5, 3:45 AM HADT · 2252 days ago · 35 km deep · 38 km away
51. 1.888 km W of Adak, AlaskaThu, Aug 6, 12:27 AM HADT · 2251 days ago · 6 km deep · 70 km away
52. 1.687 km W of Adak, AlaskaThu, Aug 6, 2:31 AM HADT · 2251 days ago · 6 km deep · 72 km away
53. 1.687 km W of Adak, AlaskaThu, Aug 6, 2:32 AM HADT · 2251 days ago · 6 km deep · 72 km away
54. 1.787 km W of Adak, AlaskaThu, Aug 6, 3:27 AM HADT · 2251 days ago · 6 km deep · 71 km away
55. 3.2192 km W of Adak, AlaskaThu, Aug 6, 3:29 AM HADT · 2251 days ago · 179 km deep · 86 km away
56. 1.688 km W of Adak, AlaskaThu, Aug 6, 8:48 AM HADT · 2251 days ago · 4 km deep · 70 km away
57. 1.7131 km WSW of Adak, AlaskaThu, Aug 6, 3:07 PM HADT · 2250 days ago · 18 km deep · 32 km away
58. 2.5215 km W of Adak, AlaskaThu, Aug 6, 5:02 PM HADT · 2250 days ago · 126 km deep · 89 km away
59. 1.6117 km WSW of Adak, AlaskaThu, Aug 6, 8:23 PM HADT · 2250 days ago · 61 km deep · 32 km away
60. 1.6245 km WSW of Adak, AlaskaFri, Aug 7, 11:32 PM GMT+12 · 2250 days ago · 13 km deep · 99 km away

The first 60 of at least 199.

Before

1. 1.9126 km WSW of Adak, AlaskaTue, Jul 21, 3:18 AM HADT · 2267 days ago · 74 km deep · 28 km away
2. 2.7244 km WSW of Adak, AlaskaSun, Jul 19, 3:39 PM GMT-12 · 2268 days ago · 17 km deep · 96 km away
3. 1.670 km SW of Adak, AlaskaSun, Jul 19, 6:29 AM HADT · 2269 days ago · 47 km deep · 94 km away
4. 1.8115 km WSW of Adak, AlaskaSun, Jul 19, 6:14 AM HADT · 2269 days ago · 13 km deep · 35 km away
5. 3.879 km SW of Adak, AlaskaFri, Jul 17, 12:38 PM HADT · 2270 days ago · 32 km deep · 84 km away
6. 1.8136 km WSW of Adak, AlaskaFri, Jul 17, 4:49 AM HADT · 2271 days ago · 25 km deep · 21 km away
7. 1.781 km W of Adak, AlaskaThu, Jul 16, 6:08 PM HADT · 2271 days ago · 4 km deep · 77 km away
8. 3.0189 km WSW of Adak, AlaskaThu, Jul 16, 12:21 PM HADT · 2271 days ago · 33 km deep · 43 km away
9. 2.2226 km W of Adak, AlaskaThu, Jul 16, 10:17 AM HADT · 2272 days ago · 101 km deep · 95 km away
10. 1.584 km W of Adak, AlaskaThu, Jul 16, 2:54 AM HADT · 2272 days ago · 8 km deep · 72 km away
11. 1.6122 km SW of Adak, AlaskaWed, Jul 15, 11:01 PM HADT · 2272 days ago · 25 km deep · 82 km away
12. 2.6217 km W of Adak, AlaskaTue, Jul 14, 4:32 PM HADT · 2273 days ago · 92 km deep · 80 km away
13. 3.1210 km W of Adak, AlaskaTue, Jul 14, 1:16 PM HADT · 2273 days ago · 205 km deep · 86 km away
14. 2.168 km WSW of Adak, AlaskaTue, Jul 14, 9:04 AM HADT · 2274 days ago · 61 km deep · 83 km away
15. 1.6133 km WSW of Adak, AlaskaTue, Jul 14, 4:48 AM HADT · 2274 days ago · 79 km deep · 25 km away
16. 1.8107 km WSW of Adak, AlaskaMon, Jul 13, 8:12 PM HADT · 2274 days ago · 20 km deep · 52 km away
17. 1.7120 km W of Adak, AlaskaMon, Jul 13, 6:18 PM HADT · 2274 days ago · 17 km deep · 60 km away
18. 1.5107 km SW of Adak, AlaskaMon, Jul 13, 6:16 AM HADT · 2275 days ago · 26 km deep · 60 km away
19. 2.2207 km W of Adak, AlaskaSun, Jul 12, 3:41 PM HADT · 2275 days ago · 90 km deep · 73 km away
20. 1.664 km SW of Adak, AlaskaSat, Jul 11, 6:41 PM HADT · 2276 days ago · 57 km deep · 94 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0209c38pek. Read Mon, Oct 5, 2026, 8:00 AM UTC.