M1.8 earthquake 246 km WSW of Adak, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Fri, Sep 25, 2020, 5:51 AM GMT+12

UTC

2020-09-24 17:51:17 UTC

Depth

25.7 km (16.0 mi), shallow

Epicenter

51.411° N, 179.883° E

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

26

After

1. 3.0252 km W of Adak, AlaskaFri, Sep 25, 11:48 AM GMT+12 · 2199 days ago · 177 km deep · 62 km away
2. 2.1266 km W of Adak, AlaskaFri, Sep 25, 8:30 PM GMT+12 · 2199 days ago · 163 km deep · 81 km away
3. 2.0299 km WSW of Adak, AlaskaSat, Sep 26, 9:58 AM GMT+12 · 2198 days ago · 19 km deep · 59 km away
4. 1.7295 km WSW of Adak, AlaskaSat, Sep 26, 12:59 PM GMT+12 · 2198 days ago · 17 km deep · 54 km away
5. 1.7Rat Islands, Aleutian Islands, AlaskaSat, Sep 26, 1:45 PM GMT+12 · 2198 days ago · 28 km deep · 72 km away
6. 2.8Rat Islands, Aleutian Islands, AlaskaSat, Sep 26, 1:47 PM GMT+12 · 2198 days ago · 10 km deep · 72 km away
7. 1.7295 km WSW of Adak, AlaskaSat, Sep 26, 2:39 PM GMT+12 · 2198 days ago · 18 km deep · 53 km away
8. 1.8298 km WSW of Adak, AlaskaSat, Sep 26, 3:11 PM GMT+12 · 2198 days ago · 18 km deep · 57 km away
9. 4.0291 km WSW of Adak, AlaskaSat, Sep 26, 3:16 PM GMT+12 · 2198 days ago · 35 km deep · 48 km away
10. 1.6297 km WSW of Adak, AlaskaSat, Sep 26, 6:26 PM GMT+12 · 2198 days ago · 19 km deep · 56 km away
11. 2.2202 km WSW of Adak, AlaskaFri, Sep 25, 9:42 PM HADT · 2198 days ago · 5 km deep · 75 km away
12. 1.8Rat Islands, Aleutian Islands, AlaskaSat, Sep 26, 7:18 PM GMT+12 · 2198 days ago · 23 km deep · 88 km away
13. 2.0210 km WSW of Adak, AlaskaFri, Sep 25, 10:48 PM HADT · 2198 days ago · 13 km deep · 69 km away
14. 2.0231 km W of Adak, AlaskaSat, Sep 26, 3:33 PM HADT · 2197 days ago · 168 km deep · 58 km away
15. 2.1179 km W of Adak, AlaskaSat, Sep 26, 5:02 PM HADT · 2197 days ago · 96 km deep · 69 km away
16. 2.2Rat Islands, Aleutian Islands, AlaskaSun, Sep 27, 2:41 PM GMT+12 · 2197 days ago · 107 km deep · 97 km away
17. 2.1Andreanof Islands, Aleutian Islands, AlaskaSun, Sep 27, 12:06 AM GMT-12 · 2197 days ago · 9 km deep · 45 km away
18. 2.0191 km W of Adak, AlaskaSun, Sep 27, 6:09 PM HADT · 2196 days ago · 80 km deep · 59 km away
19. 1.7255 km W of Adak, AlaskaMon, Sep 28, 4:26 PM GMT+12 · 2196 days ago · 87 km deep · 41 km away
20. 2.0225 km W of Adak, AlaskaSun, Sep 27, 7:48 PM HADT · 2196 days ago · 90 km deep · 41 km away
21. 1.8191 km WSW of Adak, AlaskaMon, Sep 28, 6:04 AM HADT · 2195 days ago · 79 km deep · 55 km away
22. 1.9212 km WSW of Adak, AlaskaWed, Sep 30, 9:03 AM HADT · 2193 days ago · 13 km deep · 48 km away
23. 2.0207 km WSW of Adak, AlaskaWed, Sep 30, 11:53 PM HADT · 2193 days ago · 25 km deep · 43 km away
24. 1.8Rat Islands, Aleutian Islands, AlaskaThu, Oct 1, 9:28 PM GMT+12 · 2193 days ago · 42 km deep · 73 km away
25. 1.8293 km WSW of Adak, AlaskaFri, Oct 2, 2:24 AM GMT+12 · 2192 days ago · 53 km deep · 48 km away
26. 2.2Rat Islands, Aleutian Islands, AlaskaFri, Oct 2, 12:48 PM GMT+12 · 2192 days ago · 65 km deep · 90 km away
27. 4.2Rat Islands, Aleutian Islands, AlaskaFri, Oct 2, 5:29 PM GMT+12 · 2192 days ago · 26 km deep · 69 km away
28. 1.7Rat Islands, Aleutian Islands, AlaskaFri, Oct 2, 5:38 PM GMT+12 · 2192 days ago · 23 km deep · 63 km away
29. 3.1Rat Islands, Aleutian Islands, AlaskaFri, Oct 2, 5:53 PM GMT+12 · 2192 days ago · 27 km deep · 68 km away
30. 1.6Rat Islands, Aleutian Islands, AlaskaFri, Oct 2, 9:36 PM GMT+12 · 2192 days ago · 21 km deep · 59 km away
31. 3.4Rat Islands, Aleutian Islands, AlaskaSat, Oct 3, 3:30 AM GMT+12 · 2191 days ago · 27 km deep · 65 km away
32. 2.6202 km WSW of Adak, AlaskaFri, Oct 2, 9:47 AM HADT · 2191 days ago · 57 km deep · 50 km away
33. 4.8193 km WSW of Adak, AlaskaSat, Oct 3, 10:11 PM HADT · 2190 days ago · 40 km deep · 64 km away
34. 2.8193 km WSW of Adak, AlaskaSat, Oct 3, 10:22 PM HADT · 2190 days ago · 34 km deep · 69 km away
35. 2.8251 km W of Adak, AlaskaSun, Oct 4, 7:47 PM GMT+12 · 2190 days ago · 110 km deep · 46 km away
36. 2.5253 km W of Adak, AlaskaSun, Oct 4, 8:27 PM GMT+12 · 2190 days ago · 110 km deep · 39 km away
37. 2.1205 km W of Adak, AlaskaSun, Oct 4, 8:22 PM HADT · 2189 days ago · 71 km deep · 43 km away
38. 2.8Rat Islands, Aleutian Islands, AlaskaTue, Oct 6, 5:03 AM GMT+12 · 2188 days ago · 27 km deep · 64 km away
39. 1.6268 km W of Adak, AlaskaTue, Oct 6, 9:12 AM GMT+12 · 2188 days ago · 79 km deep · 41 km away
40. 2.5Rat Islands, Aleutian Islands, AlaskaTue, Oct 6, 4:47 PM GMT+12 · 2188 days ago · 35 km deep · 70 km away
41. 2.8Rat Islands, Aleutian Islands, AlaskaThu, Oct 8, 2:31 AM GMT+12 · 2186 days ago · 35 km deep · 98 km away
42. 2.3177 km WSW of Adak, AlaskaWed, Oct 7, 7:47 AM HADT · 2186 days ago · 63 km deep · 69 km away
43. 2.0285 km WSW of Adak, AlaskaThu, Oct 8, 4:32 PM GMT+12 · 2186 days ago · 19 km deep · 47 km away
44. 2.2190 km WSW of Adak, AlaskaFri, Oct 9, 3:02 AM HADT · 2185 days ago · 26 km deep · 75 km away
45. 3.2218 km W of Adak, AlaskaFri, Oct 9, 7:36 PM HADT · 2184 days ago · 221 km deep · 84 km away
46. 2.1178 km WSW of Adak, AlaskaSun, Oct 11, 5:53 AM HADT · 2182 days ago · 70 km deep · 68 km away
47. 2.7237 km WSW of Adak, AlaskaSun, Oct 11, 3:07 PM HADT · 2182 days ago · 14 km deep · 44 km away
48. 2.0183 km WSW of Adak, AlaskaTue, Oct 13, 3:37 AM HADT · 2180 days ago · 23 km deep · 82 km away
49. 1.7265 km W of Adak, AlaskaWed, Oct 14, 4:34 AM GMT+12 · 2180 days ago · 63 km deep · 22 km away
50. 1.8252 km WSW of Adak, AlaskaWed, Oct 14, 12:43 PM GMT+12 · 2180 days ago · 13 km deep · 9 km away
51. 2.8282 km W of Adak, AlaskaWed, Oct 14, 5:40 PM GMT+12 · 2180 days ago · 68 km deep · 39 km away
52. 1.9Rat Islands, Aleutian Islands, AlaskaWed, Oct 14, 9:54 PM GMT+12 · 2180 days ago · 89 km deep · 94 km away
53. 1.8283 km W of Adak, AlaskaThu, Oct 15, 6:13 AM GMT+12 · 2179 days ago · 64 km deep · 41 km away
54. 2.0225 km W of Adak, AlaskaWed, Oct 14, 10:00 PM HADT · 2179 days ago · 100 km deep · 45 km away
55. 2.4178 km W of Adak, AlaskaFri, Oct 16, 3:44 PM HADT · 2177 days ago · 93 km deep · 70 km away
56. 2.9192 km WSW of Adak, AlaskaSat, Oct 17, 7:13 AM HADT · 2176 days ago · 25 km deep · 72 km away
57. 2.3Rat Islands, Aleutian Islands, AlaskaSun, Oct 18, 8:15 PM GMT+12 · 2176 days ago · 72 km deep · 88 km away
58. 1.9Rat Islands, Aleutian Islands, AlaskaMon, Oct 19, 12:43 AM GMT+12 · 2175 days ago · 78 km deep · 71 km away
59. 1.8179 km WSW of Adak, AlaskaSun, Oct 18, 4:43 PM HADT · 2175 days ago · 25 km deep · 77 km away
60. 1.8196 km WSW of Adak, AlaskaMon, Oct 19, 1:14 AM HADT · 2175 days ago · 20 km deep · 52 km away

The first 60 of 96.

Before

1. 2.0213 km W of Adak, AlaskaThu, Sep 24, 7:52 AM HADT · 2199 days ago · 144 km deep · 54 km away
2. 2.0265 km W of Adak, AlaskaFri, Sep 25, 12:48 AM GMT+12 · 2199 days ago · 91 km deep · 48 km away
3. 1.8193 km WSW of Adak, AlaskaThu, Sep 24, 1:44 AM HADT · 2200 days ago · 68 km deep · 54 km away
4. 1.6152 km WSW of Adak, AlaskaWed, Sep 23, 5:18 PM HADT · 2200 days ago · 18 km deep · 96 km away
5. 1.6Rat Islands, Aleutian Islands, AlaskaThu, Sep 24, 1:18 PM GMT+12 · 2200 days ago · 40 km deep · 72 km away
6. 1.6241 km WSW of Adak, AlaskaThu, Sep 24, 8:56 AM GMT+12 · 2200 days ago · 13 km deep · 7 km away
7. 1.8244 km WSW of Adak, AlaskaThu, Sep 24, 8:20 AM GMT+12 · 2200 days ago · 26 km deep · 8 km away
8. 3.7240 km WSW of Adak, AlaskaThu, Sep 24, 7:58 AM GMT+12 · 2200 days ago · 19 km deep · 8 km away
9. 2.6203 km W of Adak, AlaskaWed, Sep 23, 4:38 AM HADT · 2200 days ago · 228 km deep · 96 km away
10. 2.0Rat Islands, Aleutian Islands, AlaskaWed, Sep 23, 2:30 PM GMT+12 · 2201 days ago · 25 km deep · 70 km away
11. 1.9295 km WSW of Adak, AlaskaWed, Sep 23, 4:40 AM GMT+12 · 2201 days ago · 50 km deep · 50 km away
12. 2.2186 km WSW of Adak, AlaskaTue, Sep 22, 4:52 AM HADT · 2201 days ago · 23 km deep · 80 km away
13. 2.9201 km WSW of Adak, AlaskaTue, Sep 22, 12:11 AM HADT · 2202 days ago · 74 km deep · 45 km away
14. 3.4217 km WSW of Adak, AlaskaSat, Sep 19, 4:07 PM HADT · 2204 days ago · 10 km deep · 34 km away
15. 1.7213 km WSW of Adak, AlaskaSat, Sep 19, 1:51 AM HADT · 2205 days ago · 52 km deep · 33 km away
16. 2.1Rat Islands, Aleutian Islands, AlaskaSat, Sep 19, 9:37 PM GMT+12 · 2205 days ago · 49 km deep · 98 km away
17. 2.0Rat Islands, Aleutian Islands, AlaskaSat, Sep 19, 5:08 PM GMT+12 · 2205 days ago · 97 km deep · 92 km away
18. 1.8246 km WSW of Adak, AlaskaSat, Sep 19, 1:46 PM GMT+12 · 2205 days ago · 45 km deep · 21 km away
19. 1.8206 km W of Adak, AlaskaFri, Sep 18, 6:37 AM HADT · 2205 days ago · 85 km deep · 44 km away
20. 2.1Rat Islands, Aleutian Islands, AlaskaFri, Sep 18, 6:22 AM GMT+12 · 2206 days ago · 79 km deep · 89 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020cbigcj6. Read Fri, Oct 2, 2026, 11:58 PM UTC.