M1.7 earthquake 79 km S of Unalaska, Alaska

Magnitude

1.7 (ml), micro

Local time

Sun, Oct 18, 2020, 7:57 AM AKDT

UTC

2020-10-18 15:57:02 UTC

Depth

25.4 km (15.8 mi), shallow

Epicenter

53.175° N, 166.760° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

16

• Unalaska, AlaskaPopulation 4,491. Forecast79 kmS

After

1. 3.2129 km S of Unalaska, AlaskaSun, Oct 18, 1:22 PM AKDT · 2170 days ago · 30 km deep · 51 km away
2. 3.054 km SE of Unalaska, AlaskaMon, Oct 19, 8:43 AM AKDT · 2169 days ago · 56 km deep · 76 km away
3. 2.175 km E of Nikolski, AlaskaWed, Oct 21, 5:31 AM AKDT · 2167 days ago · 37 km deep · 67 km away
4. 2.555 km SE of Unalaska, AlaskaSat, Oct 24, 3:39 PM AKDT · 2164 days ago · 59 km deep · 57 km away
5. 1.568 km SSE of Akutan, AlaskaSat, Oct 24, 7:28 PM AKDT · 2163 days ago · 19 km deep · 97 km away
6. 1.971 km E of Nikolski, AlaskaMon, Oct 26, 8:04 AM AKDT · 2162 days ago · 33 km deep · 78 km away
7. 1.968 km WSW of Unalaska, AlaskaWed, Oct 28, 2:28 PM AKDT · 2160 days ago · 86 km deep · 68 km away
8. 1.773 km S of Akutan, AlaskaWed, Oct 28, 10:19 PM AKDT · 2159 days ago · 43 km deep · 84 km away
9. 3.268 km SW of Unalaska, AlaskaMon, Nov 2, 1:43 AM AKST · 2155 days ago · 76 km deep · 42 km away
10. 1.867 km SE of Unalaska, AlaskaTue, Nov 3, 7:14 AM AKST · 2154 days ago · 29 km deep · 64 km away
11. 2.272 km SE of Unalaska, AlaskaTue, Nov 3, 7:22 PM AKST · 2153 days ago · 34 km deep · 80 km away
12. 2.382 km S of Unalaska, AlaskaThu, Nov 5, 4:31 AM AKST · 2152 days ago · 25 km deep · 3 km away
13. 2.175 km SSE of Unalaska, AlaskaThu, Nov 5, 7:18 PM AKST · 2151 days ago · 21 km deep · 59 km away
14. 2.976 km SSE of Akutan, AlaskaFri, Nov 6, 6:42 AM AKST · 2151 days ago · 31 km deep · 92 km away
15. 1.531 km SE of Unalaska, AlaskaFri, Nov 6, 11:34 AM AKST · 2151 days ago · 70 km deep · 69 km away
16. 2.972 km SSE of Akutan, AlaskaFri, Nov 6, 9:29 PM AKST · 2150 days ago · 35 km deep · 93 km away
17. 1.957 km E of Nikolski, AlaskaSat, Nov 7, 2:18 AM AKST · 2150 days ago · 23 km deep · 92 km away
18. 2.9136 km ESE of Nikolski, AlaskaSat, Nov 7, 8:32 PM AKST · 2149 days ago · 10 km deep · 72 km away
19. 3.783 km SSW of Unalaska, AlaskaSun, Nov 8, 4:49 AM AKST · 2149 days ago · 35 km deep · 4 km away
20. 1.881 km S of Unalaska, AlaskaSun, Nov 8, 4:58 AM AKST · 2149 days ago · 26 km deep · 3 km away
21. 1.831 km SW of Akutan, AlaskaSun, Nov 8, 10:14 PM AKST · 2148 days ago · 74 km deep · 94 km away
22. 1.646 km ESE of Unalaska, AlaskaMon, Nov 9, 5:23 AM AKST · 2148 days ago · 24 km deep · 83 km away
23. 2.924 km E of Unalaska, AlaskaTue, Nov 10, 1:35 PM AKST · 2147 days ago · 77 km deep · 89 km away
24. 1.849 km S of Akutan, AlaskaTue, Nov 10, 5:56 PM AKST · 2147 days ago · 29 km deep · 84 km away
25. 1.827 km SSW of Unalaska, AlaskaThu, Nov 12, 12:25 AM AKST · 2145 days ago · 75 km deep · 52 km away
26. 2.1106 km SE of Unalaska, AlaskaThu, Nov 12, 12:31 AM AKST · 2145 days ago · 9 km deep · 88 km away
27. 3.279 km SSW of Unalaska, AlaskaFri, Nov 13, 10:34 AM AKST · 2144 days ago · 35 km deep · 4 km away
28. 1.880 km S of Unalaska, AlaskaFri, Nov 13, 2:05 PM AKST · 2144 days ago · 26 km deep · 1 km away
29. 2.290 km S of Unalaska, AlaskaSat, Nov 14, 3:19 PM AKST · 2143 days ago · 26 km deep · 12 km away
30. 1.944 km SW of Unalaska, AlaskaSat, Nov 14, 7:45 PM AKST · 2142 days ago · 15 km deep · 51 km away
31. 2.980 km E of Nikolski, AlaskaSun, Nov 15, 8:03 PM AKST · 2141 days ago · 68 km deep · 63 km away
32. 2.665 km S of Unalaska, AlaskaMon, Nov 16, 6:17 AM AKST · 2141 days ago · 52 km deep · 24 km away
33. 1.864 km S of Unalaska, AlaskaMon, Nov 16, 7:13 AM AKST · 2141 days ago · 21 km deep · 28 km away
34. 4.183 km SW of Unalaska, AlaskaMon, Nov 16, 7:43 AM AKST · 2141 days ago · 36 km deep · 43 km away
35. 4.3117 km ESE of Nikolski, AlaskaMon, Nov 16, 10:46 PM AKST · 2140 days ago · 43 km deep · 70 km away
36. 1.980 km WSW of Unalaska, AlaskaTue, Nov 17, 11:36 PM AKST · 2139 days ago · 99 km deep · 66 km away
37. 3.146 km ENE of Nikolski, AlaskaWed, Nov 18, 12:15 AM AKST · 2139 days ago · 78 km deep · 98 km away
38. 2.687 km SW of Unalaska, AlaskaWed, Nov 18, 10:19 PM AKST · 2138 days ago · 35 km deep · 42 km away
39. 2.7101 km E of Nikolski, AlaskaThu, Nov 19, 11:06 AM AKST · 2138 days ago · 35 km deep · 57 km away
40. 1.637 km SSE of Unalaska, AlaskaThu, Nov 19, 7:58 PM AKST · 2137 days ago · 36 km deep · 49 km away
41. 2.670 km SSE of Unalaska, AlaskaFri, Nov 20, 12:55 AM AKST · 2137 days ago · 44 km deep · 47 km away
42. 3.888 km E of Nikolski, AlaskaFri, Nov 20, 10:16 AM AKST · 2137 days ago · 71 km deep · 56 km away
43. 1.724 km SE of Unalaska, AlaskaFri, Nov 20, 9:06 PM AKST · 2136 days ago · 73 km deep · 64 km away
44. 3.829 km SE of Unalaska, AlaskaFri, Nov 20, 10:19 PM AKST · 2136 days ago · 74 km deep · 63 km away
45. 1.9Fox Islands, Aleutian Islands, AlaskaSat, Nov 21, 2:11 AM AKST · 2136 days ago · 43 km deep · 72 km away
46. 2.155 km SW of Unalaska, AlaskaMon, Nov 23, 1:24 AM AKST · 2134 days ago · 15 km deep · 49 km away
47. 1.664 km SW of Unalaska, AlaskaMon, Nov 23, 10:58 AM AKST · 2134 days ago · 13 km deep · 48 km away
48. 4.067 km SE of Unalaska, AlaskaMon, Nov 23, 1:14 PM AKST · 2134 days ago · 35 km deep · 71 km away · felt by 3
49. 1.766 km S of Unalaska, AlaskaMon, Nov 23, 10:11 PM AKST · 2133 days ago · 35 km deep · 19 km away
50. 3.384 km SW of Unalaska, AlaskaTue, Nov 24, 1:12 AM AKST · 2133 days ago · 72 km deep · 55 km away
51. 2.756 km ESE of Unalaska, AlaskaTue, Nov 24, 11:28 PM AKST · 2132 days ago · 32 km deep · 79 km away
52. 2.942 km SSW of Unalaska, AlaskaFri, Nov 27, 11:02 PM AKST · 2129 days ago · 77 km deep · 38 km away
53. 1.972 km WSW of Unalaska, AlaskaSat, Nov 28, 12:12 AM AKST · 2129 days ago · 9 km deep · 69 km away
54. 3.184 km S of Unalaska, AlaskaSat, Nov 28, 7:29 PM AKST · 2128 days ago · 35 km deep · 6 km away
55. 1.959 km E of Nikolski, AlaskaSun, Nov 29, 11:21 PM AKST · 2127 days ago · 20 km deep · 91 km away
56. 1.879 km SW of Unalaska, AlaskaMon, Nov 30, 1:53 PM AKST · 2127 days ago · 9 km deep · 43 km away
57. 1.613 km NE of Dutch Harbor, AlaskaMon, Nov 30, 2:03 PM AKST · 2127 days ago · 19 km deep · 92 km away
58. 2.460 km ESE of Nikolski, AlaskaTue, Dec 1, 7:34 AM AKST · 2126 days ago · 33 km deep · 99 km away
59. 2.073 km ESE of Nikolski, AlaskaTue, Dec 1, 9:54 AM AKST · 2126 days ago · 7 km deep · 86 km away
60. 2.063 km ESE of Nikolski, AlaskaTue, Dec 1, 10:06 AM AKST · 2126 days ago · 15 km deep · 96 km away

The first 60 of 87.

Before

1. 2.1144 km ESE of Nikolski, AlaskaSat, Oct 17, 7:37 PM AKDT · 2170 days ago · 26 km deep · 78 km away
2. 1.747 km SSE of Unalaska, AlaskaSat, Oct 17, 10:42 AM AKDT · 2171 days ago · 52 km deep · 55 km away
3. 2.070 km SSW of Unalaska, AlaskaSat, Oct 17, 7:24 AM AKDT · 2171 days ago · 67 km deep · 30 km away
4. 3.529 km WSW of Dutch Harbor, AlaskaWed, Oct 14, 11:54 PM AKDT · 2173 days ago · 107 km deep · 74 km away
5. 1.667 km SE of Unalaska, AlaskaTue, Oct 13, 10:43 PM AKDT · 2174 days ago · 49 km deep · 61 km away
6. 1.974 km SW of Unalaska, AlaskaTue, Oct 13, 9:45 PM AKDT · 2174 days ago · 71 km deep · 58 km away
7. 1.768 km SE of Unalaska, AlaskaTue, Oct 13, 7:18 PM AKDT · 2174 days ago · 38 km deep · 63 km away
8. 1.945 km SW of Unalaska, AlaskaTue, Oct 13, 4:16 AM AKDT · 2175 days ago · 27 km deep · 41 km away
9. 2.765 km SW of Unalaska, AlaskaMon, Oct 12, 10:59 PM AKDT · 2175 days ago · 10 km deep · 40 km away
10. 1.540 km S of Unalaska, AlaskaMon, Oct 12, 10:43 AM AKDT · 2176 days ago · 61 km deep · 38 km away
11. 1.871 km S of Unalaska, AlaskaMon, Oct 12, 2:22 AM AKDT · 2176 days ago · 28 km deep · 23 km away
12. 1.761 km S of Unalaska, AlaskaSun, Oct 11, 1:58 AM AKDT · 2177 days ago · 43 km deep · 23 km away
13. 3.467 km ESE of Nikolski, AlaskaWed, Oct 7, 12:26 PM AKDT · 2181 days ago · 35 km deep · 93 km away
14. 1.644 km S of Akutan, AlaskaWed, Oct 7, 3:19 AM AKDT · 2181 days ago · 24 km deep · 88 km away
15. 1.949 km SSE of Akutan, AlaskaSun, Oct 4, 10:54 PM AKDT · 2183 days ago · 58 km deep · 97 km away
16. 1.896 km SSW of Unalaska, AlaskaSun, Oct 4, 11:38 AM AKDT · 2184 days ago · 39 km deep · 35 km away
17. 1.887 km SSW of Unalaska, AlaskaSun, Oct 4, 3:35 AM AKDT · 2184 days ago · 17 km deep · 18 km away
18. 3.2Fox Islands, Aleutian Islands, AlaskaSat, Oct 3, 8:58 AM AKDT · 2185 days ago · 35 km deep · 79 km away
19. 1.538 km SE of Unalaska, AlaskaTue, Sep 29, 5:41 AM AKDT · 2189 days ago · 32 km deep · 60 km away
20. 1.871 km SE of Unalaska, AlaskaThu, Sep 24, 4:18 AM AKDT · 2194 days ago · 24 km deep · 78 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020df672ab. Read Sun, Sep 27, 2026, 2:34 PM UTC.