M1.9 earthquake 117 km S of Unalaska, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Jan 18, 2018, 7:04 AM AKST

UTC

2018-01-18 16:04:57 UTC

Depth

7.0 km (4.3 mi), shallow

Epicenter

52.818° N, 166.641° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

13

• Unalaska, AlaskaPopulation 4,491. Forecast118 kmS

After

1. 1.671 km WSW of Unalaska, AlaskaThu, Jan 18, 5:27 PM AKST · 3177 days ago · 26 km deep · 95 km away
2. 2.125 km S of Unalaska, AlaskaThu, Jan 18, 7:37 PM AKST · 3177 days ago · 93 km deep · 93 km away
3. 1.997 km E of Nikolski, AlaskaFri, Jan 19, 7:13 AM AKST · 3177 days ago · 34 km deep · 52 km away
4. 1.954 km SSE of Unalaska, AlaskaSat, Jan 20, 10:40 PM AKST · 3175 days ago · 44 km deep · 72 km away
5. 2.482 km S of Unalaska, AlaskaWed, Jan 24, 9:56 AM AKST · 3172 days ago · 25 km deep · 36 km away
6. 2.080 km S of Unalaska, AlaskaWed, Jan 24, 9:57 AM AKST · 3172 days ago · 24 km deep · 38 km away
7. 2.1109 km SE of Unalaska, AlaskaWed, Jan 24, 3:50 PM AKST · 3171 days ago · 19 km deep · 77 km away
8. 3.690 km SSW of Unalaska, AlaskaWed, Jan 24, 4:02 PM AKST · 3171 days ago · 26 km deep · 36 km away
9. 3.686 km SSW of Unalaska, AlaskaWed, Jan 24, 4:03 PM AKST · 3171 days ago · 34 km deep · 42 km away
10. 1.988 km SSW of Unalaska, AlaskaWed, Jan 24, 4:06 PM AKST · 3171 days ago · 38 km deep · 41 km away
11. 1.988 km SSW of Unalaska, AlaskaWed, Jan 24, 4:14 PM AKST · 3171 days ago · 26 km deep · 40 km away
12. 2.188 km SSW of Unalaska, AlaskaWed, Jan 24, 4:17 PM AKST · 3171 days ago · 26 km deep · 38 km away
13. 2.590 km SSW of Unalaska, AlaskaWed, Jan 24, 4:22 PM AKST · 3171 days ago · 30 km deep · 38 km away
14. 2.867 km SSW of Unalaska, AlaskaFri, Jan 26, 8:54 PM AKST · 3169 days ago · 79 km deep · 63 km away
15. 2.143 km S of Unalaska, AlaskaSat, Jan 27, 2:50 PM AKST · 3168 days ago · 64 km deep · 75 km away
16. 1.969 km SW of Unalaska, AlaskaSun, Feb 4, 10:38 AM AKST · 3160 days ago · 14 km deep · 91 km away
17. 2.5186 km SSE of Unalaska, AlaskaSun, Feb 4, 4:50 PM AKST · 3160 days ago · 4 km deep · 92 km away
18. 1.996 km S of Unalaska, AlaskaMon, Feb 5, 2:52 PM AKST · 3159 days ago · 15 km deep · 26 km away
19. 2.057 km SSE of Unalaska, AlaskaWed, Feb 7, 7:34 AM AKST · 3158 days ago · 40 km deep · 74 km away
20. 3.681 km SE of Unalaska, AlaskaThu, Feb 8, 10:56 AM AKST · 3156 days ago · 35 km deep · 77 km away
21. 1.898 km SSW of Unalaska, AlaskaFri, Feb 9, 11:22 PM AKST · 3155 days ago · 11 km deep · 47 km away
22. 3.760 km SSW of Unalaska, AlaskaSat, Feb 10, 5:12 AM AKST · 3155 days ago · 107 km deep · 68 km away
23. 2.368 km SE of Unalaska, AlaskaSat, Feb 10, 5:26 AM AKST · 3155 days ago · 37 km deep · 80 km away
24. 3.372 km SE of Unalaska, AlaskaSun, Feb 11, 11:04 AM AKST · 3153 days ago · 32 km deep · 80 km away
25. 1.770 km SE of Unalaska, AlaskaSun, Feb 11, 11:35 AM AKST · 3153 days ago · 49 km deep · 95 km away
26. 2.271 km SE of Unalaska, AlaskaSun, Feb 11, 12:14 PM AKST · 3153 days ago · 29 km deep · 81 km away
27. 2.192 km SE of Unalaska, AlaskaSun, Feb 11, 2:06 PM AKST · 3153 days ago · 23 km deep · 82 km away
28. 2.271 km WSW of Unalaska, AlaskaMon, Feb 12, 5:00 PM AKST · 3152 days ago · 6 km deep · 98 km away
29. 2.487 km SSW of Unalaska, AlaskaTue, Feb 13, 5:35 AM AKST · 3152 days ago · 19 km deep · 40 km away
30. 2.187 km SE of Unalaska, AlaskaFri, Feb 16, 2:54 AM AKST · 3149 days ago · 23 km deep · 76 km away
31. 3.480 km SSW of Unalaska, AlaskaSun, Feb 18, 8:27 AM AKST · 3147 days ago · 43 km deep · 42 km away
32. 2.5148 km ESE of Nikolski, AlaskaMon, Feb 19, 7:52 AM AKST · 3146 days ago · 23 km deep · 45 km away
33. 2.492 km SE of Nikolski, AlaskaMon, Feb 19, 4:35 PM AKST · 3145 days ago · 13 km deep · 99 km away
34. 3.2122 km S of Unalaska, AlaskaWed, Feb 21, 7:58 PM AKST · 3143 days ago · 5 km deep · 7 km away
35. 2.073 km SW of Unalaska, AlaskaThu, Feb 22, 12:45 PM AKST · 3142 days ago · 13 km deep · 90 km away
36. 4.3135 km SSE of Unalaska, AlaskaFri, Feb 23, 4:04 PM AKST · 3141 days ago · 10 km deep · 74 km away
37. 2.7141 km ESE of Nikolski, AlaskaSat, Feb 24, 6:09 PM AKST · 3140 days ago · 16 km deep · 37 km away
38. 2.366 km SSW of Unalaska, AlaskaSun, Feb 25, 10:48 AM AKST · 3139 days ago · 26 km deep · 54 km away
39. 2.045 km SSE of Unalaska, AlaskaSun, Feb 25, 8:28 PM AKST · 3139 days ago · 60 km deep · 76 km away
40. 1.943 km SW of Unalaska, AlaskaTue, Feb 27, 5:00 AM AKST · 3138 days ago · 7 km deep · 87 km away
41. 3.873 km S of Unalaska, AlaskaWed, Feb 28, 4:33 AM AKST · 3137 days ago · 35 km deep · 44 km away
42. 2.271 km ENE of Nikolski, AlaskaThu, Mar 1, 6:47 AM AKST · 3136 days ago · 69 km deep · 84 km away
43. 2.261 km S of Unalaska, AlaskaThu, Mar 1, 10:54 AM AKST · 3135 days ago · 30 km deep · 56 km away
44. 1.968 km WSW of Unalaska, AlaskaThu, Mar 1, 3:59 PM AKST · 3135 days ago · 14 km deep · 96 km away
45. 1.997 km E of Nikolski, AlaskaThu, Mar 1, 10:10 PM AKST · 3135 days ago · 26 km deep · 53 km away
46. 1.777 km SE of Unalaska, AlaskaFri, Mar 2, 10:38 PM AKST · 3134 days ago · 12 km deep · 95 km away
47. 2.266 km S of Unalaska, AlaskaSun, Mar 4, 1:38 AM AKST · 3133 days ago · 45 km deep · 51 km away
48. 1.963 km SSW of Unalaska, AlaskaSun, Mar 4, 2:30 PM AKST · 3132 days ago · 42 km deep · 60 km away
49. 2.163 km S of Unalaska, AlaskaSun, Mar 4, 3:54 PM AKST · 3132 days ago · 26 km deep · 55 km away
50. 3.490 km SSW of Unalaska, AlaskaSun, Mar 4, 7:54 PM AKST · 3132 days ago · 35 km deep · 35 km away
51. 1.776 km SSE of Unalaska, AlaskaMon, Mar 5, 12:37 AM AKST · 3132 days ago · 36 km deep · 64 km away
52. 2.477 km S of Unalaska, AlaskaTue, Mar 6, 1:29 AM AKST · 3131 days ago · 32 km deep · 41 km away
53. 1.664 km SW of Unalaska, AlaskaTue, Mar 6, 12:12 PM AKST · 3130 days ago · 11 km deep · 89 km away
54. 1.984 km S of Unalaska, AlaskaWed, Mar 7, 2:14 AM AKST · 3130 days ago · 26 km deep · 33 km away
55. 2.146 km SW of Unalaska, AlaskaFri, Mar 9, 12:57 AM AKST · 3128 days ago · 18 km deep · 91 km away
56. 2.039 km SSE of Unalaska, AlaskaSat, Mar 10, 10:44 AM AKST · 3126 days ago · 91 km deep · 84 km away
57. 2.376 km ESE of Nikolski, AlaskaTue, Mar 13, 8:15 PM AKDT · 3123 days ago · 37 km deep · 75 km away
58. 1.927 km SSW of Unalaska, AlaskaThu, Mar 15, 7:18 PM AKDT · 3121 days ago · 82 km deep · 94 km away
59. 2.258 km ESE of Nikolski, AlaskaFri, Mar 16, 9:45 AM AKDT · 3121 days ago · 23 km deep · 100 km away
60. 1.829 km SSW of Unalaska, AlaskaFri, Mar 16, 2:41 PM AKDT · 3120 days ago · 77 km deep · 93 km away

The first 60 of 65.

Before

1. 2.538 km SSE of Unalaska, AlaskaWed, Jan 17, 8:50 PM AKST · 3178 days ago · 83 km deep · 85 km away
2. 2.071 km SSW of Unalaska, AlaskaWed, Jan 17, 10:56 AM AKST · 3178 days ago · 26 km deep · 66 km away
3. 2.4Fox Islands, Aleutian Islands, AlaskaTue, Jan 16, 11:36 PM AKST · 3179 days ago · 32 km deep · 88 km away
4. 2.274 km SW of Unalaska, AlaskaTue, Jan 16, 7:31 PM AKST · 3179 days ago · 10 km deep · 84 km away
5. 2.351 km SW of Unalaska, AlaskaTue, Jan 16, 4:41 PM AKST · 3179 days ago · 76 km deep · 78 km away
6. 3.3129 km ESE of Nikolski, AlaskaMon, Jan 15, 9:34 PM AKST · 3180 days ago · 18 km deep · 66 km away
7. 2.282 km E of Nikolski, AlaskaMon, Jan 15, 11:46 AM AKST · 3180 days ago · 46 km deep · 68 km away
8. 1.745 km SE of Unalaska, AlaskaMon, Jan 15, 5:51 AM AKST · 3181 days ago · 57 km deep · 92 km away
9. 1.881 km SSE of Unalaska, AlaskaMon, Jan 15, 5:43 AM AKST · 3181 days ago · 20 km deep · 60 km away
10. 1.743 km SSW of Unalaska, AlaskaMon, Jan 15, 2:32 AM AKST · 3181 days ago · 68 km deep · 77 km away
11. 1.867 km SSE of Unalaska, AlaskaSun, Jan 14, 11:14 PM AKST · 3181 days ago · 21 km deep · 68 km away
12. 2.067 km SE of Unalaska, AlaskaSun, Jan 14, 6:16 PM AKST · 3181 days ago · 21 km deep · 90 km away
13. 2.491 km SE of Unalaska, AlaskaSat, Jan 13, 5:00 PM AKST · 3182 days ago · 19 km deep · 94 km away
14. 2.698 km SE of Unalaska, AlaskaFri, Jan 12, 7:55 PM AKST · 3183 days ago · 10 km deep · 80 km away
15. 1.967 km S of Unalaska, AlaskaThu, Jan 11, 10:16 PM AKST · 3184 days ago · 20 km deep · 54 km away
16. 2.1103 km SSW of Unalaska, AlaskaWed, Jan 10, 8:46 PM AKST · 3185 days ago · 25 km deep · 23 km away
17. 1.858 km SSW of Unalaska, AlaskaWed, Jan 10, 4:57 AM AKST · 3186 days ago · 67 km deep · 62 km away
18. 1.998 km E of Nikolski, AlaskaTue, Jan 9, 10:03 PM AKST · 3186 days ago · 48 km deep · 56 km away
19. 1.868 km SE of Unalaska, AlaskaTue, Jan 9, 3:48 PM AKST · 3186 days ago · 23 km deep · 85 km away
20. 1.869 km SE of Unalaska, AlaskaTue, Jan 9, 12:48 PM AKST · 3186 days ago · 42 km deep · 93 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak018u185uj (also filed as ak18187284). Read Thu, Oct 1, 2026, 6:31 AM UTC.