M1.9 earthquake 221 km W of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Aug 16, 2020, 12:07 PM HADT

UTC

2020-08-16 21:07:51 UTC

Depth

71.8 km (44.6 mi), intermediate-depth

Epicenter

51.604° N, 179.816° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

20

After

1. 3.8133 km W of Adak, AlaskaSun, Aug 16, 10:22 PM HADT · 2239 days ago · 145 km deep · 94 km away
2. 2.6278 km W of Adak, AlaskaTue, Aug 18, 4:12 AM GMT+12 · 2239 days ago · 73 km deep · 57 km away
3. 1.7216 km WSW of Adak, AlaskaMon, Aug 17, 1:31 PM HADT · 2239 days ago · 5 km deep · 13 km away
4. 2.1145 km WSW of Adak, AlaskaMon, Aug 17, 1:33 PM HADT · 2239 days ago · 64 km deep · 81 km away
5. 1.6127 km WSW of Adak, AlaskaMon, Aug 17, 8:38 PM HADT · 2239 days ago · 6 km deep · 97 km away
6. 1.7187 km WSW of Adak, AlaskaMon, Aug 17, 10:07 PM HADT · 2238 days ago · 19 km deep · 53 km away
7. 1.9130 km WSW of Adak, AlaskaTue, Aug 18, 1:27 AM HADT · 2238 days ago · 10 km deep · 95 km away
8. 1.5245 km WSW of Adak, AlaskaTue, Aug 18, 6:47 AM GMT-12 · 2238 days ago · 8 km deep · 57 km away
9. 1.5149 km WSW of Adak, AlaskaTue, Aug 18, 12:23 PM HADT · 2238 days ago · 70 km deep · 82 km away
10. 2.8226 km WSW of Adak, AlaskaTue, Aug 18, 6:49 PM HADT · 2238 days ago · 67 km deep · 10 km away
11. 1.5283 km W of Adak, AlaskaWed, Aug 19, 9:27 PM GMT+12 · 2237 days ago · 63 km deep · 62 km away
12. 1.6201 km WSW of Adak, AlaskaWed, Aug 19, 7:55 AM HADT · 2237 days ago · 26 km deep · 75 km away
13. 1.6231 km WSW of Adak, AlaskaWed, Aug 19, 10:08 AM HADT · 2237 days ago · 43 km deep · 43 km away
14. 1.6180 km W of Adak, AlaskaWed, Aug 19, 6:16 PM HADT · 2237 days ago · 137 km deep · 43 km away
15. 1.8Rat Islands, Aleutian Islands, AlaskaFri, Aug 21, 6:57 AM GMT+12 · 2236 days ago · 58 km deep · 89 km away
16. 1.5208 km WSW of Adak, AlaskaThu, Aug 20, 7:55 PM HADT · 2236 days ago · 13 km deep · 35 km away
17. 1.8Rat Islands, Aleutian Islands, AlaskaFri, Aug 21, 6:38 PM GMT+12 · 2236 days ago · 46 km deep · 97 km away
18. 2.3290 km W of Adak, AlaskaFri, Aug 21, 6:42 PM GMT+12 · 2236 days ago · 84 km deep · 71 km away
19. 2.0178 km W of Adak, AlaskaThu, Aug 20, 10:52 PM HADT · 2235 days ago · 158 km deep · 50 km away
20. 2.7250 km W of Adak, AlaskaSat, Aug 22, 6:47 AM GMT+12 · 2235 days ago · 186 km deep · 44 km away
21. 1.9245 km WSW of Adak, AlaskaSun, Aug 23, 1:08 AM GMT+12 · 2234 days ago · 26 km deep · 41 km away
22. 1.7171 km WSW of Adak, AlaskaSat, Aug 22, 4:40 AM HADT · 2234 days ago · 14 km deep · 62 km away
23. 2.8245 km W of Adak, AlaskaSun, Aug 23, 4:43 AM GMT+12 · 2234 days ago · 72 km deep · 24 km away
24. 3.2262 km W of Adak, AlaskaSun, Aug 23, 4:33 PM GMT+12 · 2234 days ago · 206 km deep · 64 km away
25. 1.8202 km WSW of Adak, AlaskaMon, Aug 24, 2:02 AM HADT · 2232 days ago · 16 km deep · 38 km away
26. 1.9249 km W of Adak, AlaskaTue, Aug 25, 12:32 AM GMT+12 · 2232 days ago · 60 km deep · 29 km away
27. 3.8211 km WSW of Adak, AlaskaTue, Aug 25, 12:55 AM HADT · 2231 days ago · 15 km deep · 73 km away
28. 2.7161 km WSW of Adak, AlaskaTue, Aug 25, 3:13 AM HADT · 2231 days ago · 28 km deep · 100 km away
29. 1.7236 km WSW of Adak, AlaskaTue, Aug 25, 7:24 AM HADT · 2231 days ago · 14 km deep · 54 km away
30. 1.5142 km WSW of Adak, AlaskaTue, Aug 25, 8:25 PM HADT · 2231 days ago · 15 km deep · 95 km away
31. 1.5Rat Islands, Aleutian Islands, AlaskaWed, Aug 26, 5:55 PM GMT+12 · 2231 days ago · 34 km deep · 97 km away
32. 1.7142 km W of Adak, AlaskaWed, Aug 26, 12:10 AM HADT · 2230 days ago · 126 km deep · 83 km away
33. 2.0182 km WSW of Adak, AlaskaWed, Aug 26, 2:31 AM HADT · 2230 days ago · 23 km deep · 52 km away
34. 2.0Rat Islands, Aleutian Islands, AlaskaThu, Aug 27, 6:24 AM GMT+12 · 2230 days ago · 69 km deep · 82 km away
35. 1.5129 km WSW of Adak, AlaskaWed, Aug 26, 3:24 PM HADT · 2230 days ago · 13 km deep · 93 km away
36. 2.2229 km W of Adak, AlaskaWed, Aug 26, 5:44 PM HADT · 2230 days ago · 94 km deep · 25 km away
37. 4.6294 km WSW of Adak, AlaskaThu, Aug 27, 7:14 PM GMT+12 · 2229 days ago · 35 km deep · 78 km away
38. 1.8299 km WSW of Adak, AlaskaThu, Aug 27, 8:48 PM GMT+12 · 2229 days ago · 22 km deep · 86 km away
39. 3.0Rat Islands, Aleutian Islands, AlaskaFri, Aug 28, 7:22 AM GMT+12 · 2229 days ago · 42 km deep · 100 km away
40. 1.8295 km WSW of Adak, AlaskaSat, Aug 29, 5:21 AM GMT+12 · 2228 days ago · 7 km deep · 86 km away
41. 2.0222 km W of Adak, AlaskaFri, Aug 28, 10:38 PM HADT · 2227 days ago · 77 km deep · 7 km away
42. 1.6127 km W of Adak, AlaskaSat, Aug 29, 12:13 AM HADT · 2227 days ago · 12 km deep · 95 km away
43. 1.6242 km WSW of Adak, AlaskaSun, Aug 30, 10:53 AM GMT+12 · 2227 days ago · 48 km deep · 28 km away
44. 1.9135 km WSW of Adak, AlaskaMon, Aug 31, 8:46 AM HADT · 2225 days ago · 26 km deep · 99 km away
45. 2.4238 km WSW of Adak, AlaskaMon, Aug 31, 11:59 PM GMT-12 · 2224 days ago · 11 km deep · 57 km away
46. 4.0235 km WSW of Adak, AlaskaTue, Sep 1, 6:00 PM HADT · 2224 days ago · 19 km deep · 36 km away
47. 3.2232 km WSW of Adak, AlaskaTue, Sep 1, 9:43 PM HADT · 2224 days ago · 15 km deep · 32 km away
48. 1.6143 km W of Adak, AlaskaWed, Sep 2, 4:32 PM HADT · 2223 days ago · 10 km deep · 78 km away
49. 1.8192 km WSW of Adak, AlaskaWed, Sep 2, 7:21 PM HADT · 2223 days ago · 22 km deep · 56 km away
50. 2.0176 km WSW of Adak, AlaskaFri, Sep 4, 7:06 AM HADT · 2221 days ago · 29 km deep · 63 km away
51. 4.6125 km W of Adak, AlaskaFri, Sep 4, 8:14 PM HADT · 2221 days ago · 18 km deep · 96 km away · felt by 1
52. 2.0127 km W of Adak, AlaskaFri, Sep 4, 11:41 PM HADT · 2220 days ago · 11 km deep · 95 km away
53. 2.2262 km W of Adak, AlaskaSat, Sep 5, 9:12 PM GMT+12 · 2220 days ago · 82 km deep · 46 km away
54. 1.8145 km WSW of Adak, AlaskaSat, Sep 5, 12:07 PM HADT · 2220 days ago · 7 km deep · 85 km away
55. 2.4237 km WSW of Adak, AlaskaSun, Sep 6, 12:15 AM HADT · 2219 days ago · 13 km deep · 72 km away
56. 4.5170 km WSW of Adak, AlaskaSun, Sep 6, 8:30 AM HADT · 2219 days ago · 50 km deep · 68 km away
57. 1.8172 km WSW of Adak, AlaskaSun, Sep 6, 9:06 AM HADT · 2219 days ago · 22 km deep · 82 km away
58. 4.3238 km WSW of Adak, AlaskaSun, Sep 6, 6:19 AM GMT-12 · 2219 days ago · 47 km deep · 63 km away
59. 2.5238 km WSW of Adak, AlaskaSun, Sep 6, 9:24 AM HADT · 2219 days ago · 12 km deep · 76 km away
60. 4.1235 km WSW of Adak, AlaskaSun, Sep 6, 9:39 AM HADT · 2219 days ago · 40 km deep · 67 km away

The first 60 of 162.

Before

1. 3.3128 km WSW of Adak, AlaskaSun, Aug 16, 11:58 AM HADT · 2240 days ago · 10 km deep · 97 km away
2. 1.7204 km WSW of Adak, AlaskaFri, Aug 14, 7:54 PM HADT · 2242 days ago · 28 km deep · 39 km away
3. 1.7189 km WSW of Adak, AlaskaFri, Aug 14, 1:10 PM HADT · 2242 days ago · 24 km deep · 49 km away
4. 1.8246 km W of Adak, AlaskaSat, Aug 15, 7:26 AM GMT+12 · 2242 days ago · 121 km deep · 38 km away
5. 2.7131 km WSW of Adak, AlaskaThu, Aug 13, 11:40 PM HADT · 2242 days ago · 10 km deep · 95 km away
6. 3.2130 km WSW of Adak, AlaskaThu, Aug 13, 3:30 PM HADT · 2243 days ago · 88 km deep · 93 km away
7. 2.2214 km WSW of Adak, AlaskaWed, Aug 12, 5:43 PM HADT · 2244 days ago · 17 km deep · 49 km away
8. 2.0246 km WSW of Adak, AlaskaThu, Aug 13, 1:30 PM GMT+12 · 2244 days ago · 18 km deep · 39 km away
9. 2.0Rat Islands, Aleutian Islands, AlaskaThu, Aug 13, 5:23 AM GMT+12 · 2244 days ago · 44 km deep · 98 km away
10. 1.8Rat Islands, Aleutian Islands, AlaskaWed, Aug 12, 10:26 PM GMT+12 · 2244 days ago · 57 km deep · 94 km away
11. 1.8242 km WSW of Adak, AlaskaWed, Aug 12, 9:52 AM GMT+12 · 2245 days ago · 14 km deep · 30 km away
12. 1.5193 km WSW of Adak, AlaskaTue, Aug 11, 8:29 AM HADT · 2245 days ago · 24 km deep · 53 km away
13. 2.0182 km W of Adak, AlaskaTue, Aug 11, 1:57 AM HADT · 2245 days ago · 83 km deep · 45 km away
14. 1.6Rat Islands, Aleutian Islands, AlaskaTue, Aug 11, 3:43 AM GMT+12 · 2246 days ago · 29 km deep · 98 km away
15. 2.2185 km WSW of Adak, AlaskaMon, Aug 10, 6:35 AM HADT · 2246 days ago · 22 km deep · 78 km away
16. 4.4Rat Islands, Aleutian Islands, AlaskaTue, Aug 11, 2:30 AM GMT+12 · 2246 days ago · 47 km deep · 100 km away
17. 3.2191 km WSW of Adak, AlaskaMon, Aug 10, 5:07 AM HADT · 2246 days ago · 18 km deep · 86 km away
18. 1.9129 km WSW of Adak, AlaskaSun, Aug 9, 4:27 PM HADT · 2247 days ago · 7 km deep · 94 km away
19. 1.8200 km WSW of Adak, AlaskaSun, Aug 9, 4:18 PM HADT · 2247 days ago · 73 km deep · 29 km away
20. 1.5129 km WSW of Adak, AlaskaSat, Aug 8, 2:13 PM HADT · 2248 days ago · 8 km deep · 94 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020aj2m6sn. Read Sun, Oct 4, 2026, 6:35 PM UTC.