M1.5 earthquake 72 km WSW of Unalaska, Alaska

Magnitude

1.5 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Feb 22, 2018, 12:53 PM AKST

UTC

2018-02-22 21:53:42 UTC

Depth

13.2 km (8.2 mi), shallow

Epicenter

53.562° N, 167.493° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

14

• Unalaska, AlaskaPopulation 4,491. Forecast72 kmWSW

After

1. 2.366 km SSW of Unalaska, AlaskaSun, Feb 25, 10:48 AM AKST · 3140 days ago · 26 km deep · 54 km away
2. 2.045 km SSE of Unalaska, AlaskaSun, Feb 25, 8:28 PM AKST · 3139 days ago · 60 km deep · 75 km away
3. 1.943 km SW of Unalaska, AlaskaTue, Feb 27, 5:00 AM AKST · 3138 days ago · 7 km deep · 36 km away
4. 3.873 km S of Unalaska, AlaskaWed, Feb 28, 4:33 AM AKST · 3137 days ago · 35 km deep · 69 km away
5. 2.271 km ENE of Nikolski, AlaskaThu, Mar 1, 6:47 AM AKST · 3136 days ago · 69 km deep · 58 km away
6. 2.261 km S of Unalaska, AlaskaThu, Mar 1, 10:54 AM AKST · 3136 days ago · 30 km deep · 63 km away
7. 1.968 km WSW of Unalaska, AlaskaThu, Mar 1, 3:59 PM AKST · 3135 days ago · 14 km deep · 5 km away
8. 1.997 km E of Nikolski, AlaskaThu, Mar 1, 10:10 PM AKST · 3135 days ago · 26 km deep · 86 km away
9. 1.73 km E of Unalaska, AlaskaFri, Mar 2, 9:31 PM AKST · 3134 days ago · 10 km deep · 75 km away
10. 2.266 km S of Unalaska, AlaskaSun, Mar 4, 1:38 AM AKST · 3133 days ago · 45 km deep · 69 km away
11. 1.963 km SSW of Unalaska, AlaskaSun, Mar 4, 2:30 PM AKST · 3132 days ago · 42 km deep · 48 km away
12. 2.163 km S of Unalaska, AlaskaSun, Mar 4, 3:54 PM AKST · 3132 days ago · 26 km deep · 59 km away
13. 3.490 km SSW of Unalaska, AlaskaSun, Mar 4, 7:54 PM AKST · 3132 days ago · 35 km deep · 66 km away
14. 3.442 km ESE of Unalaska, AlaskaMon, Mar 5, 1:26 AM AKST · 3132 days ago · 67 km deep · 100 km away
15. 2.477 km S of Unalaska, AlaskaTue, Mar 6, 1:29 AM AKST · 3131 days ago · 32 km deep · 70 km away
16. 1.664 km SW of Unalaska, AlaskaTue, Mar 6, 12:12 PM AKST · 3130 days ago · 11 km deep · 14 km away
17. 1.984 km S of Unalaska, AlaskaWed, Mar 7, 2:14 AM AKST · 3130 days ago · 26 km deep · 77 km away
18. 1.67 km NW of Dutch Harbor, AlaskaWed, Mar 7, 6:11 PM AKST · 3129 days ago · 14 km deep · 72 km away
19. 2.146 km SW of Unalaska, AlaskaFri, Mar 9, 12:57 AM AKST · 3128 days ago · 18 km deep · 29 km away
20. 2.039 km SSE of Unalaska, AlaskaSat, Mar 10, 10:44 AM AKST · 3127 days ago · 91 km deep · 77 km away
21. 2.399 km NNE of Nikolski, AlaskaSat, Mar 10, 6:02 PM AKST · 3126 days ago · 23 km deep · 43 km away
22. 1.630 km NE of Nikolski, AlaskaSat, Mar 10, 8:18 PM AKST · 3126 days ago · 4 km deep · 85 km away
23. 1.762 km WSW of Unalaska, AlaskaTue, Mar 13, 5:38 AM AKDT · 3124 days ago · 7 km deep · 15 km away
24. 2.132 km NE of Nikolski, AlaskaTue, Mar 13, 9:33 AM AKDT · 3124 days ago · 7 km deep · 83 km away
25. 1.664 km WSW of Unalaska, AlaskaTue, Mar 13, 1:46 PM AKDT · 3123 days ago · 13 km deep · 15 km away
26. 2.376 km ESE of Nikolski, AlaskaTue, Mar 13, 8:15 PM AKDT · 3123 days ago · 37 km deep · 87 km away
27. 1.927 km SSW of Unalaska, AlaskaThu, Mar 15, 7:18 PM AKDT · 3121 days ago · 82 km deep · 50 km away
28. 2.345 km ESE of Nikolski, AlaskaFri, Mar 16, 9:07 AM AKDT · 3121 days ago · 47 km deep · 99 km away
29. 1.829 km SSW of Unalaska, AlaskaFri, Mar 16, 2:41 PM AKDT · 3120 days ago · 77 km deep · 49 km away
30. 1.985 km E of Nikolski, AlaskaSat, Mar 17, 4:12 AM AKDT · 3120 days ago · 48 km deep · 72 km away
31. 3.126 km SE of Unalaska, AlaskaSat, Mar 17, 11:31 AM AKDT · 3120 days ago · 16 km deep · 85 km away
32. 3.425 km SE of Unalaska, AlaskaSat, Mar 17, 12:01 PM AKDT · 3120 days ago · 12 km deep · 83 km away
33. 1.6Fox Islands, Aleutian Islands, AlaskaSat, Mar 17, 3:33 PM AKDT · 3119 days ago · 7 km deep · 83 km away
34. 2.981 km SSW of Unalaska, AlaskaSun, Mar 18, 11:14 PM AKDT · 3118 days ago · 35 km deep · 58 km away
35. 2.789 km S of Unalaska, AlaskaMon, Mar 19, 5:22 AM AKDT · 3118 days ago · 35 km deep · 71 km away
36. 3.486 km SSW of Unalaska, AlaskaMon, Mar 19, 5:27 AM AKDT · 3118 days ago · 31 km deep · 68 km away
37. 2.176 km SW of Unalaska, AlaskaMon, Mar 19, 8:17 AM AKDT · 3118 days ago · 13 km deep · 26 km away
38. 4.274 km NE of Nikolski, AlaskaMon, Mar 19, 4:28 PM AKDT · 3117 days ago · 91 km deep · 41 km away
39. 3.4101 km S of Unalaska, AlaskaTue, Mar 20, 12:01 AM AKDT · 3117 days ago · 30 km deep · 82 km away
40. 2.992 km S of Unalaska, AlaskaTue, Mar 20, 12:02 AM AKDT · 3117 days ago · 42 km deep · 76 km away
41. 2.483 km SSW of Unalaska, AlaskaTue, Mar 20, 12:49 AM AKDT · 3117 days ago · 27 km deep · 64 km away
42. 2.344 km NNE of Nikolski, AlaskaTue, Mar 20, 1:44 AM AKDT · 3117 days ago · 108 km deep · 80 km away
43. 3.086 km SSW of Unalaska, AlaskaTue, Mar 20, 7:38 AM AKDT · 3117 days ago · 73 km deep · 48 km away
44. 1.9105 km ESE of Nikolski, AlaskaTue, Mar 20, 8:57 AM AKDT · 3117 days ago · 18 km deep · 93 km away
45. 2.589 km S of Unalaska, AlaskaThu, Mar 22, 7:10 AM AKDT · 3115 days ago · 30 km deep · 72 km away
46. 2.144 km SW of Unalaska, AlaskaSun, Mar 25, 5:03 PM AKDT · 3111 days ago · 74 km deep · 33 km away
47. 3.285 km SSW of Unalaska, AlaskaTue, Mar 27, 11:14 AM AKDT · 3110 days ago · 36 km deep · 67 km away
48. 1.856 km SSE of Unalaska, AlaskaWed, Mar 28, 5:06 AM AKDT · 3109 days ago · 44 km deep · 93 km away
49. 3.077 km SSW of Unalaska, AlaskaWed, Mar 28, 5:35 PM AKDT · 3108 days ago · 32 km deep · 62 km away
50. 2.899 km S of Unalaska, AlaskaWed, Mar 28, 7:51 PM AKDT · 3108 days ago · 34 km deep · 88 km away
51. 1.545 km SW of Unalaska, AlaskaThu, Mar 29, 6:05 PM AKDT · 3107 days ago · 79 km deep · 37 km away
52. 1.558 km SW of Unalaska, AlaskaThu, Mar 29, 6:50 PM AKDT · 3107 days ago · 16 km deep · 15 km away
53. 2.182 km SSW of Unalaska, AlaskaFri, Mar 30, 11:00 AM AKDT · 3107 days ago · 22 km deep · 65 km away
54. 2.329 km SSW of Unalaska, AlaskaSat, Mar 31, 12:23 AM AKDT · 3106 days ago · 74 km deep · 52 km away
55. 2.183 km E of Nikolski, AlaskaSat, Mar 31, 8:51 AM AKDT · 3106 days ago · 33 km deep · 75 km away
56. 2.458 km SSW of Unalaska, AlaskaSun, Apr 1, 1:34 AM AKDT · 3105 days ago · 64 km deep · 54 km away
57. 2.163 km E of Nikolski, AlaskaSun, Apr 1, 9:02 AM AKDT · 3105 days ago · 35 km deep · 85 km away
58. 1.8101 km S of Unalaska, AlaskaWed, Apr 4, 8:55 AM AKDT · 3102 days ago · 14 km deep · 98 km away
59. 1.571 km SW of Unalaska, AlaskaThu, Apr 5, 8:35 PM AKDT · 3100 days ago · 13 km deep · 8 km away
60. 3.380 km NE of Nikolski, AlaskaFri, Apr 6, 5:31 AM AKDT · 3100 days ago · 79 km deep · 41 km away

The first 60 of 80.

Before

1. 2.073 km SW of Unalaska, AlaskaThu, Feb 22, 12:45 PM AKST · 3142 days ago · 13 km deep · 11 km away
2. 1.86 km ESE of Unalaska, AlaskaTue, Feb 20, 4:59 PM AKST · 3144 days ago · 11 km deep · 76 km away
3. 3.480 km SSW of Unalaska, AlaskaSun, Feb 18, 8:27 AM AKST · 3147 days ago · 43 km deep · 61 km away
4. 2.487 km SSW of Unalaska, AlaskaTue, Feb 13, 5:35 AM AKST · 3152 days ago · 19 km deep · 61 km away
5. 2.271 km WSW of Unalaska, AlaskaMon, Feb 12, 5:00 PM AKST · 3152 days ago · 6 km deep · 2 km away
6. 3.760 km SSW of Unalaska, AlaskaSat, Feb 10, 5:12 AM AKST · 3155 days ago · 107 km deep · 39 km away
7. 1.898 km SSW of Unalaska, AlaskaFri, Feb 9, 11:22 PM AKST · 3155 days ago · 11 km deep · 57 km away
8. 2.057 km SSE of Unalaska, AlaskaWed, Feb 7, 7:34 AM AKST · 3158 days ago · 40 km deep · 91 km away
9. 1.996 km S of Unalaska, AlaskaMon, Feb 5, 2:52 PM AKST · 3159 days ago · 15 km deep · 94 km away
10. 1.969 km SW of Unalaska, AlaskaSun, Feb 4, 10:38 AM AKST · 3161 days ago · 14 km deep · 10 km away
11. 2.06 km NNW of Dutch Harbor, AlaskaSun, Feb 4, 5:46 AM AKST · 3161 days ago · 5 km deep · 73 km away
12. 1.77 km NNW of Dutch Harbor, AlaskaSun, Feb 4, 5:46 AM AKST · 3161 days ago · 8 km deep · 74 km away
13. 2.349 km ENE of Nikolski, AlaskaSat, Feb 3, 4:38 AM AKST · 3162 days ago · 78 km deep · 66 km away
14. 2.143 km S of Unalaska, AlaskaSat, Jan 27, 2:50 PM AKST · 3168 days ago · 64 km deep · 59 km away
15. 2.867 km SSW of Unalaska, AlaskaFri, Jan 26, 8:54 PM AKST · 3169 days ago · 79 km deep · 40 km away
16. 2.590 km SSW of Unalaska, AlaskaWed, Jan 24, 4:22 PM AKST · 3171 days ago · 30 km deep · 63 km away
17. 2.188 km SSW of Unalaska, AlaskaWed, Jan 24, 4:17 PM AKST · 3171 days ago · 26 km deep · 63 km away
18. 1.988 km SSW of Unalaska, AlaskaWed, Jan 24, 4:14 PM AKST · 3171 days ago · 26 km deep · 61 km away
19. 1.988 km SSW of Unalaska, AlaskaWed, Jan 24, 4:06 PM AKST · 3171 days ago · 38 km deep · 59 km away
20. 3.686 km SSW of Unalaska, AlaskaWed, Jan 24, 4:03 PM AKST · 3171 days ago · 34 km deep · 58 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0182g0ay4a (also filed as ak18494307). Read Thu, Oct 1, 2026, 7:47 AM UTC.