M1.9 earthquake 263 km W of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Mon, Apr 20, 2020, 2:02 PM GMT+12

UTC

2020-04-20 02:02:51 UTC

Depth

67.0 km (41.6 mi), shallow

Epicenter

51.539° N, 179.590° E

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

13

After

1. 1.6175 km WSW of Adak, AlaskaSun, Apr 19, 6:15 PM HADT · 2356 days ago · 26 km deep · 95 km away
2. 1.8Rat Islands, Aleutian Islands, AlaskaMon, Apr 20, 6:40 PM GMT+12 · 2356 days ago · 83 km deep · 25 km away
3. 2.3245 km WSW of Adak, AlaskaMon, Apr 20, 1:23 PM GMT-12 · 2356 days ago · 26 km deep · 74 km away
4. 3.9261 km WSW of Adak, AlaskaTue, Apr 21, 4:49 AM GMT-12 · 2355 days ago · 10 km deep · 91 km away
5. 3.0239 km WSW of Adak, AlaskaTue, Apr 21, 4:08 PM GMT-12 · 2354 days ago · 10 km deep · 80 km away
6. 1.6219 km WSW of Adak, AlaskaWed, Apr 22, 6:49 AM HADT · 2354 days ago · 13 km deep · 51 km away
7. 3.9270 km W of Adak, AlaskaThu, Apr 23, 5:13 AM GMT+12 · 2354 days ago · 111 km deep · 9 km away
8. 2.8227 km WSW of Adak, AlaskaThu, Apr 23, 8:43 AM HADT · 2353 days ago · 35 km deep · 61 km away
9. 3.1Rat Islands, Aleutian Islands, AlaskaFri, Apr 24, 7:26 AM GMT+12 · 2353 days ago · 75 km deep · 95 km away
10. 1.6192 km WSW of Adak, AlaskaThu, Apr 23, 10:52 AM HADT · 2353 days ago · 20 km deep · 85 km away
11. 1.7195 km WSW of Adak, AlaskaThu, Apr 23, 11:13 AM HADT · 2353 days ago · 23 km deep · 81 km away
12. 2.2Rat Islands, Aleutian Islands, AlaskaFri, Apr 24, 12:59 PM GMT+12 · 2353 days ago · 69 km deep · 88 km away
13. 3.0Rat Islands, Aleutian Islands, AlaskaFri, Apr 24, 6:31 PM GMT+12 · 2352 days ago · 93 km deep · 71 km away
14. 2.2240 km WSW of Adak, AlaskaSat, Apr 25, 12:05 AM GMT-12 · 2351 days ago · 12 km deep · 60 km away
15. 2.1Rat Islands, Aleutian Islands, AlaskaSun, Apr 26, 11:49 AM GMT+12 · 2351 days ago · 83 km deep · 61 km away
16. 1.9194 km W of Adak, AlaskaSat, Apr 25, 4:15 PM HADT · 2351 days ago · 87 km deep · 70 km away
17. 4.1Rat Islands, Aleutian Islands, AlaskaMon, Apr 27, 2:14 AM GMT+12 · 2350 days ago · 101 km deep · 88 km away
18. 2.6229 km W of Adak, AlaskaSun, Apr 26, 5:45 AM HADT · 2350 days ago · 154 km deep · 59 km away
19. 3.0253 km W of Adak, AlaskaTue, Apr 28, 5:31 AM GMT+12 · 2349 days ago · 86 km deep · 12 km away
20. 2.1280 km W of Adak, AlaskaTue, Apr 28, 2:26 PM GMT+12 · 2348 days ago · 92 km deep · 37 km away
21. 2.9241 km WSW of Adak, AlaskaTue, Apr 28, 6:41 PM GMT-12 · 2347 days ago · 53 km deep · 41 km away
22. 3.2Rat Islands, Aleutian Islands, AlaskaWed, Apr 29, 11:50 PM GMT+12 · 2347 days ago · 128 km deep · 96 km away
23. 2.9183 km WSW of Adak, AlaskaWed, Apr 29, 6:55 PM HADT · 2346 days ago · 80 km deep · 81 km away
24. 2.8239 km WSW of Adak, AlaskaWed, Apr 29, 4:36 PM GMT-12 · 2346 days ago · 35 km deep · 67 km away
25. 2.0233 km WSW of Adak, AlaskaWed, Apr 29, 8:10 PM HADT · 2346 days ago · 13 km deep · 50 km away
26. 1.7195 km W of Adak, AlaskaThu, Apr 30, 7:51 PM HADT · 2345 days ago · 13 km deep · 72 km away
27. 2.6Rat Islands, Aleutian Islands, AlaskaSat, May 2, 12:48 PM GMT+12 · 2345 days ago · 45 km deep · 68 km away
28. 1.6166 km W of Adak, AlaskaSat, May 2, 7:24 AM HADT · 2344 days ago · 9 km deep · 98 km away
29. 3.0229 km W of Adak, AlaskaSat, May 2, 6:34 PM HADT · 2343 days ago · 220 km deep · 70 km away
30. 1.9206 km W of Adak, AlaskaSun, May 3, 2:13 PM HADT · 2343 days ago · 85 km deep · 57 km away
31. 2.0231 km W of Adak, AlaskaSun, May 3, 3:18 PM HADT · 2343 days ago · 173 km deep · 46 km away
32. 3.1292 km WSW of Adak, AlaskaTue, May 5, 10:54 AM GMT+12 · 2342 days ago · 33 km deep · 34 km away
33. 2.3291 km W of Adak, AlaskaWed, May 6, 3:12 AM GMT+12 · 2341 days ago · 77 km deep · 39 km away
34. 3.4298 km WSW of Adak, AlaskaWed, May 6, 6:11 AM GMT+12 · 2341 days ago · 27 km deep · 61 km away
35. 1.6290 km W of Adak, AlaskaWed, May 6, 8:33 AM GMT+12 · 2341 days ago · 60 km deep · 27 km away
36. 1.9251 km W of Adak, AlaskaWed, May 6, 3:44 PM GMT+12 · 2340 days ago · 70 km deep · 12 km away
37. 1.9284 km WSW of Adak, AlaskaThu, May 7, 7:21 AM GMT+12 · 2340 days ago · 46 km deep · 28 km away
38. 2.7Rat Islands, Aleutian Islands, AlaskaThu, May 7, 2:36 PM GMT+12 · 2339 days ago · 35 km deep · 48 km away
39. 2.6218 km W of Adak, AlaskaWed, May 6, 5:46 PM HADT · 2339 days ago · 76 km deep · 46 km away
40. 2.6195 km WSW of Adak, AlaskaWed, May 6, 9:21 PM HADT · 2339 days ago · 17 km deep · 71 km away
41. 2.8250 km WSW of Adak, AlaskaFri, May 8, 6:41 AM GMT+12 · 2339 days ago · 63 km deep · 37 km away
42. 1.9243 km WSW of Adak, AlaskaMon, May 11, 6:11 AM GMT+12 · 2336 days ago · 61 km deep · 22 km away
43. 2.6Rat Islands, Aleutian Islands, AlaskaMon, May 11, 7:40 PM GMT+12 · 2335 days ago · 62 km deep · 60 km away
44. 2.0295 km W of Adak, AlaskaTue, May 12, 4:41 AM GMT+12 · 2335 days ago · 26 km deep · 32 km away
45. 1.8263 km WSW of Adak, AlaskaTue, May 12, 6:51 AM GMT+12 · 2335 days ago · 72 km deep · 8 km away
46. 2.5248 km W of Adak, AlaskaTue, May 12, 7:27 AM GMT+12 · 2335 days ago · 179 km deep · 63 km away
47. 4.3211 km W of Adak, AlaskaMon, May 11, 1:53 PM HADT · 2335 days ago · 96 km deep · 54 km away
48. 3.0Rat Islands, Aleutian Islands, AlaskaWed, May 13, 1:46 AM GMT+12 · 2334 days ago · 54 km deep · 51 km away
49. 1.8229 km W of Adak, AlaskaThu, May 14, 12:55 PM HADT · 2332 days ago · 92 km deep · 37 km away
50. 2.7241 km W of Adak, AlaskaFri, May 15, 2:53 PM GMT+12 · 2331 days ago · 91 km deep · 25 km away
51. 1.9215 km WSW of Adak, AlaskaThu, May 14, 7:17 PM HADT · 2331 days ago · 26 km deep · 80 km away
52. 2.6Rat Islands, Aleutian Islands, AlaskaFri, May 15, 8:10 PM GMT+12 · 2331 days ago · 63 km deep · 76 km away
53. 1.8225 km WSW of Adak, AlaskaFri, May 15, 10:53 AM HADT · 2331 days ago · 12 km deep · 53 km away
54. 2.0200 km WSW of Adak, AlaskaSat, May 16, 9:47 PM HADT · 2329 days ago · 13 km deep · 74 km away
55. 3.2238 km WSW of Adak, AlaskaTue, May 19, 12:14 AM GMT+12 · 2328 days ago · 68 km deep · 29 km away
56. 2.3223 km W of Adak, AlaskaMon, May 18, 7:49 AM HADT · 2328 days ago · 84 km deep · 47 km away
57. 3.9Rat Islands, Aleutian Islands, AlaskaTue, May 19, 10:29 AM GMT+12 · 2328 days ago · 104 km deep · 87 km away
58. 2.8298 km W of Adak, AlaskaTue, May 19, 3:04 PM GMT+12 · 2327 days ago · 91 km deep · 50 km away
59. 2.1192 km WSW of Adak, AlaskaMon, May 18, 6:42 PM HADT · 2327 days ago · 26 km deep · 97 km away
60. 2.1Rat Islands, Aleutian Islands, AlaskaTue, May 19, 5:12 PM GMT+12 · 2327 days ago · 103 km deep · 76 km away

The first 60 of 116.

Before

1. 2.5211 km WSW of Adak, AlaskaSun, Apr 19, 10:04 AM HADT · 2357 days ago · 25 km deep · 79 km away
2. 2.2Rat Islands, Aleutian Islands, AlaskaMon, Apr 20, 3:16 AM GMT+12 · 2357 days ago · 57 km deep · 73 km away
3. 3.3242 km WSW of Adak, AlaskaSat, Apr 18, 4:43 PM GMT-12 · 2357 days ago · 10 km deep · 84 km away
4. 2.8Rat Islands, Aleutian Islands, AlaskaSun, Apr 19, 9:39 AM GMT+12 · 2358 days ago · 81 km deep · 80 km away
5. 2.6220 km WSW of Adak, AlaskaFri, Apr 17, 1:36 PM HADT · 2359 days ago · 10 km deep · 95 km away
6. 3.9278 km W of Adak, AlaskaFri, Apr 17, 10:50 PM GMT+12 · 2359 days ago · 168 km deep · 64 km away
7. 4.7251 km W of Adak, AlaskaFri, Apr 17, 5:06 PM GMT+12 · 2359 days ago · 145 km deep · 42 km away
8. 3.4252 km WSW of Adak, AlaskaFri, Apr 17, 2:47 PM GMT+12 · 2359 days ago · 57 km deep · 22 km away
9. 1.9198 km WSW of Adak, AlaskaThu, Apr 16, 2:17 PM HADT · 2360 days ago · 74 km deep · 65 km away
10. 3.1268 km W of Adak, AlaskaFri, Apr 17, 5:41 AM GMT+12 · 2360 days ago · 83 km deep · 11 km away
11. 2.3247 km W of Adak, AlaskaTue, Apr 14, 11:53 PM GMT+12 · 2362 days ago · 66 km deep · 17 km away
12. 1.6Rat Islands, Aleutian Islands, AlaskaMon, Apr 13, 1:22 AM GMT+12 · 2364 days ago · 25 km deep · 53 km away
13. 3.9223 km WSW of Adak, AlaskaSat, Apr 11, 8:18 AM HADT · 2365 days ago · 72 km deep · 43 km away
14. 3.9249 km WSW of Adak, AlaskaThu, Apr 9, 6:18 AM GMT-12 · 2367 days ago · 10 km deep · 73 km away
15. 2.2235 km WSW of Adak, AlaskaWed, Apr 8, 7:24 PM HADT · 2367 days ago · 13 km deep · 72 km away
16. 3.0234 km WSW of Adak, AlaskaWed, Apr 8, 12:05 AM HADT · 2368 days ago · 15 km deep · 70 km away
17. 2.1236 km WSW of Adak, AlaskaTue, Apr 7, 11:06 PM HADT · 2368 days ago · 14 km deep · 74 km away
18. 2.8Rat Islands, Aleutian Islands, AlaskaWed, Apr 8, 7:35 PM GMT+12 · 2368 days ago · 21 km deep · 92 km away
19. 2.7Rat Islands, Aleutian Islands, AlaskaWed, Apr 8, 1:59 PM GMT+12 · 2368 days ago · 16 km deep · 97 km away
20. 2.2222 km W of Adak, AlaskaTue, Apr 7, 1:57 AM HADT · 2369 days ago · 93 km deep · 45 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak02053luxec. Read Fri, Oct 2, 2026, 1:14 PM UTC.