M1.7 earthquake 49 km SW of Nikolski, Alaska

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Wed, Sep 26, 2018, 9:11 PM AKDT

UTC

2018-09-27 05:11:51 UTC

Depth

-3.2 km (-2.0 mi), shallow

Epicenter

52.625° N, 169.385° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.8 km horizontally, 1.8 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

262°, poorly surrounded by stations

Stations used

9

• Unalaska, AlaskaPopulation 4,491. Forecast235 kmSW

After

1. 2.676 km SW of Nikolski, AlaskaFri, Sep 28, 1:57 PM AKDT · 2928 days ago · 30 km deep · 27 km away
2. 2.372 km SW of Nikolski, AlaskaFri, Sep 28, 2:04 PM AKDT · 2928 days ago · 36 km deep · 22 km away
3. 2.366 km SSW of Nikolski, AlaskaFri, Sep 28, 8:14 PM AKDT · 2928 days ago · 22 km deep · 33 km away
4. 2.856 km SW of Nikolski, AlaskaMon, Oct 1, 7:50 AM AKDT · 2926 days ago · 32 km deep · 8 km away
5. 2.343 km SW of Nikolski, AlaskaTue, Oct 2, 7:00 PM AKDT · 2924 days ago · 18 km deep · 7 km away
6. 4.624 km NE of Nikolski, AlaskaTue, Oct 2, 8:12 PM AKDT · 2924 days ago · 75 km deep · 74 km away
7. 2.684 km SSE of Nikolski, AlaskaWed, Oct 3, 11:33 AM AKDT · 2923 days ago · 10 km deep · 79 km away
8. 2.953 km ESE of Nikolski, AlaskaThu, Oct 4, 4:23 AM AKDT · 2923 days ago · 43 km deep · 87 km away
9. 2.453 km WSW of Nikolski, AlaskaFri, Oct 5, 2:18 AM AKDT · 2922 days ago · 6 km deep · 23 km away
10. 2.478 km SE of Nikolski, AlaskaMon, Oct 8, 12:47 AM AKDT · 2919 days ago · 51 km deep · 95 km away
11. 2.129 km SE of Nikolski, AlaskaMon, Oct 8, 3:49 PM AKDT · 2918 days ago · 26 km deep · 56 km away
12. 2.633 km ESE of Nikolski, AlaskaTue, Oct 9, 8:11 AM AKDT · 2918 days ago · 49 km deep · 68 km away
13. 2.939 km SW of Nikolski, AlaskaWed, Oct 10, 8:02 AM AKDT · 2917 days ago · 26 km deep · 10 km away
14. 2.581 km SW of Nikolski, AlaskaWed, Oct 10, 10:20 AM AKDT · 2916 days ago · 35 km deep · 32 km away
15. 4.872 km SSE of Nikolski, AlaskaWed, Oct 10, 10:30 PM AKDT · 2916 days ago · 40 km deep · 72 km away
16. 3.565 km SSE of Nikolski, AlaskaWed, Oct 10, 10:43 PM AKDT · 2916 days ago · 40 km deep · 67 km away
17. 3.191 km SSE of Nikolski, AlaskaThu, Oct 11, 1:56 AM AKDT · 2916 days ago · 35 km deep · 85 km away
18. 2.245 km WSW of Nikolski, AlaskaThu, Oct 11, 7:33 AM AKDT · 2916 days ago · 8 km deep · 12 km away
19. 2.481 km SSE of Nikolski, AlaskaThu, Oct 11, 9:42 AM AKDT · 2915 days ago · 13 km deep · 77 km away
20. 2.5104 km SSE of Nikolski, AlaskaThu, Oct 11, 10:05 AM AKDT · 2915 days ago · 10 km deep · 98 km away
21. 2.244 km WSW of Nikolski, AlaskaFri, Oct 12, 3:23 PM AKDT · 2914 days ago · 4 km deep · 17 km away
22. 2.595 km SSE of Nikolski, AlaskaSun, Oct 14, 5:48 PM AKDT · 2912 days ago · 39 km deep · 86 km away
23. 2.599 km SW of Nikolski, AlaskaSun, Oct 14, 11:43 PM AKDT · 2912 days ago · 29 km deep · 52 km away
24. 3.165 km SSW of Nikolski, AlaskaSat, Oct 20, 5:14 AM AKDT · 2907 days ago · 35 km deep · 36 km away
25. 2.457 km SSW of Nikolski, AlaskaThu, Oct 25, 5:21 PM AKDT · 2901 days ago · 16 km deep · 29 km away
26. 2.658 km E of Nikolski, AlaskaSat, Oct 27, 5:39 PM AKDT · 2899 days ago · 56 km deep · 96 km away
27. 3.870 km NW of Nikolski, AlaskaMon, Oct 29, 9:09 AM AKDT · 2897 days ago · 96 km deep · 83 km away
28. 2.770 km S of Nikolski, AlaskaWed, Oct 31, 3:40 AM AKDT · 2896 days ago · 35 km deep · 55 km away
29. 3.369 km SSW of Nikolski, AlaskaSat, Nov 3, 9:35 PM AKDT · 2892 days ago · 35 km deep · 36 km away
30. 3.582 km SW of Nikolski, AlaskaSun, Nov 4, 3:00 AM AKST · 2892 days ago · 37 km deep · 33 km away
31. 2.034 km SE of Nikolski, AlaskaMon, Nov 5, 1:44 PM AKST · 2890 days ago · 33 km deep · 56 km away
32. 2.4Fox Islands, Aleutian Islands, AlaskaTue, Nov 6, 10:58 AM AKST · 2889 days ago · 15 km deep · 22 km away
33. 2.260 km SSW of Nikolski, AlaskaWed, Nov 7, 4:51 PM AKST · 2888 days ago · 8 km deep · 26 km away
34. 3.874 km SSW of Nikolski, AlaskaFri, Nov 9, 11:24 PM AKST · 2886 days ago · 35 km deep · 33 km away
35. 2.261 km SE of Nikolski, AlaskaThu, Nov 15, 2:42 AM AKST · 2881 days ago · 17 km deep · 77 km away
36. 3.8116 km SW of Nikolski, AlaskaTue, Nov 20, 5:44 AM HAST · 2876 days ago · 35 km deep · 67 km away
37. 4.0140 km SW of Nikolski, AlaskaThu, Nov 22, 8:22 AM HAST · 2873 days ago · 35 km deep · 91 km away
38. 3.680 km SSW of Nikolski, AlaskaSat, Nov 24, 8:51 PM AKST · 2871 days ago · 22 km deep · 36 km away
39. 3.482 km SW of Nikolski, AlaskaSun, Nov 25, 11:02 AM AKST · 2870 days ago · 101 km deep · 34 km away

Before

1. 2.155 km S of Nikolski, AlaskaWed, Sep 26, 2:54 PM AKDT · 2930 days ago · 24 km deep · 32 km away
2. 2.8129 km SW of Nikolski, AlaskaTue, Sep 25, 1:29 PM HADT · 2931 days ago · 35 km deep · 80 km away
3. 2.1131 km SW of Nikolski, AlaskaTue, Sep 25, 12:59 AM HADT · 2932 days ago · 9 km deep · 82 km away
4. 1.943 km WSW of Nikolski, AlaskaMon, Sep 24, 10:22 PM AKDT · 2932 days ago · 7 km deep · 21 km away
5. 3.262 km S of Nikolski, AlaskaMon, Sep 24, 7:14 AM AKDT · 2933 days ago · 35 km deep · 45 km away
6. 1.945 km WSW of Nikolski, AlaskaSun, Sep 23, 10:20 PM AKDT · 2933 days ago · 13 km deep · 12 km away
7. 4.080 km SSW of Nikolski, AlaskaSun, Sep 23, 7:32 AM AKDT · 2934 days ago · 35 km deep · 40 km away
8. 3.486 km SSW of Nikolski, AlaskaSun, Sep 23, 3:19 AM AKDT · 2934 days ago · 35 km deep · 51 km away
9. 1.650 km SW of Nikolski, AlaskaFri, Sep 21, 5:27 AM AKDT · 2936 days ago · 2 km deep · 7 km away
10. 1.948 km SW of Nikolski, AlaskaThu, Sep 20, 7:35 PM AKDT · 2936 days ago · -2 km deep · 2 km away
11. 1.849 km WSW of Nikolski, AlaskaThu, Sep 20, 11:06 AM AKDT · 2936 days ago · 14 km deep · 11 km away
12. 2.369 km WSW of Nikolski, AlaskaWed, Sep 19, 7:18 AM AKDT · 2938 days ago · 164 km deep · 29 km away
13. 1.849 km W of Nikolski, AlaskaTue, Sep 18, 11:33 PM AKDT · 2938 days ago · 9 km deep · 30 km away
14. 1.656 km SW of Nikolski, AlaskaTue, Sep 18, 11:29 PM AKDT · 2938 days ago · 27 km deep · 6 km away
15. 1.749 km W of Nikolski, AKTue, Sep 18, 11:20 PM AKDT · 2938 days ago · 7 km deep · 31 km away
16. 1.749 km WSW of Nikolski, AlaskaTue, Sep 18, 6:55 PM AKDT · 2938 days ago · 14 km deep · 16 km away
17. 2.171 km SW of Nikolski, AlaskaTue, Sep 18, 5:40 PM AKDT · 2938 days ago · 19 km deep · 22 km away
18. 2.228 km SSW of Nikolski, AlaskaTue, Sep 18, 9:25 AM AKDT · 2938 days ago · 31 km deep · 25 km away
19. 2.360 km NW of Nikolski, AlaskaMon, Sep 17, 5:37 PM AKDT · 2939 days ago · 145 km deep · 80 km away
20. 2.1104 km SW of Nikolski, AlaskaMon, Sep 17, 2:52 PM AKDT · 2939 days ago · 44 km deep · 55 km away

From the USGS Earthquake Hazards Program and its partner networks, event av61787501. Read Mon, Oct 5, 2026, 4:12 AM UTC.