M1.9 earthquake 39 km S of Silver Gate, Montana

Magnitude

1.9 (Md, duration), micro

Magnitude from

University of Utah Seismograph Stations

Local time

Tue, Dec 19, 2017, 9:00 PM MST

UTC

2017-12-20 04:00:42 UTC

Depth

10.2 km (6.4 mi), shallow

Epicenter

44.652° N, 110.010° W

Region

Wyoming

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 1.0 km in depth

Magnitude uncertainty

±0.27

Depth from

From location

Station coverage gap

116°

Stations used

14

• Gardiner, MontanaPopulation 875. Forecast69 kmSE
• Bozeman, MontanaPopulation 43,405. Forecast140 kmSE
• Billings, MontanaPopulation 117,116. Forecast173 kmSW
• Calgary, CanadaPopulation 1,306,784. Forecast773 kmSSE

After

1. 2.037 km S of Silver Gate, MontanaSun, Dec 24, 2:35 PM MST · 3203 days ago · 16 km deep · 2 km away
2. 1.8Idaho-Montana border regionThu, Dec 28, 8:11 AM MST · 3199 days ago · 9 km deep · 83 km away
3. 1.647 km SE of Mammoth, WyomingFri, Dec 29, 8:47 PM MST · 3198 days ago · 3 km deep · 27 km away
4. 2.121 km NE of West Yellowstone, MontanaThu, Jan 4, 11:45 PM MST · 3192 days ago · 5 km deep · 73 km away
5. 2.446 km SSW of Silver Gate, MontanaTue, Jan 9, 8:00 AM MST · 3187 days ago · 6 km deep · 21 km away
6. 1.646 km ESE of West Yellowstone, MontanaSun, Jan 14, 4:05 PM MST · 3182 days ago · 2 km deep · 43 km away
7. 1.646 km ESE of West Yellowstone, MontanaTue, Jan 16, 4:36 PM MST · 3180 days ago · 5 km deep · 43 km away
8. 1.649 km ESE of West Yellowstone, MontanaFri, Jan 19, 8:18 AM MST · 3177 days ago · 4 km deep · 46 km away
9. 1.634 km ESE of West Yellowstone, MontanaTue, Jan 23, 8:32 AM MST · 3173 days ago · 8 km deep · 53 km away
10. 1.624 km SSE of West Yellowstone, MontanaThu, Jan 25, 12:26 PM MST · 3171 days ago · 4 km deep · 81 km away
11. 2.225 km SSE of West Yellowstone, MontanaFri, Jan 26, 8:26 AM MST · 3170 days ago · 4 km deep · 82 km away
12. 1.546 km SE of West Yellowstone, MontanaTue, Jan 30, 3:56 PM MST · 3166 days ago · 4 km deep · 57 km away
13. 2.09 km ENE of Hebgen Lake Estates, MontanaThu, Feb 1, 7:00 AM MST · 3165 days ago · 7 km deep · 86 km away
14. 1.624 km ENE of West Yellowstone, MontanaSat, Feb 3, 2:37 AM MST · 3163 days ago · 8 km deep · 64 km away
15. 1.648 km ESE of West Yellowstone, MontanaSat, Feb 3, 5:44 AM MST · 3163 days ago · 3 km deep · 53 km away
16. 1.638 km SSE of Mammoth, WyomingMon, Feb 5, 8:28 AM MST · 3160 days ago · 4 km deep · 36 km away
17. 1.615 km NE of West Yellowstone, MontanaFri, Feb 9, 8:13 AM MST · 3156 days ago · 5 km deep · 77 km away
18. 1.612 km NE of West Yellowstone, MontanaSat, Feb 10, 4:36 PM MST · 3155 days ago · 8 km deep · 79 km away
19. 1.734 km E of West Yellowstone, MontanaMon, Feb 12, 6:48 PM MST · 3153 days ago · 8 km deep · 52 km away
20. 1.734 km E of West Yellowstone, MontanaMon, Feb 12, 6:49 PM MST · 3153 days ago · 7 km deep · 53 km away
21. 2.011 km NE of West Yellowstone, MontanaThu, Feb 15, 2:54 AM MST · 3151 days ago · 8 km deep · 79 km away
22. 2.311 km NE of West Yellowstone, MontanaThu, Feb 15, 9:08 AM MST · 3150 days ago · 8 km deep · 79 km away
23. 2.611 km NE of West Yellowstone, MontanaThu, Feb 15, 11:41 AM MST · 3150 days ago · 8 km deep · 79 km away · felt by 19
24. 1.611 km NE of West Yellowstone, MontanaThu, Feb 15, 12:11 PM MST · 3150 days ago · 7 km deep · 79 km away
25. 2.011 km NE of West Yellowstone, MontanaThu, Feb 15, 1:14 PM MST · 3150 days ago · 8 km deep · 79 km away
26. 1.511 km NE of West Yellowstone, MontanaThu, Feb 15, 4:53 PM MST · 3150 days ago · 9 km deep · 79 km away
27. 2.011 km NE of West Yellowstone, MontanaThu, Feb 15, 6:01 PM MST · 3150 days ago · 8 km deep · 79 km away
28. 1.612 km NE of West Yellowstone, MontanaThu, Feb 15, 7:43 PM MST · 3150 days ago · 7 km deep · 79 km away
29. 2.212 km NE of West Yellowstone, MontanaThu, Feb 15, 8:19 PM MST · 3150 days ago · 8 km deep · 79 km away
30. 2.111 km NE of West Yellowstone, MontanaFri, Feb 16, 1:14 AM MST · 3150 days ago · 8 km deep · 80 km away
31. 1.949 km SE of Mammoth, WyomingFri, Feb 16, 7:21 PM MST · 3149 days ago · 5 km deep · 26 km away
32. 2.412 km WSW of West Yellowstone, MontanaSat, Feb 17, 9:35 AM MST · 3148 days ago · 12 km deep · 98 km away
33. 1.512 km NE of West Yellowstone, MontanaSat, Feb 17, 9:46 AM MST · 3148 days ago · 7 km deep · 78 km away
34. 2.012 km NE of West Yellowstone, MontanaSat, Feb 17, 10:33 AM MST · 3148 days ago · 6 km deep · 78 km away
35. 2.211 km NE of West Yellowstone, MontanaSat, Feb 17, 10:40 AM MST · 3148 days ago · 6 km deep · 78 km away
36. 2.712 km NE of West Yellowstone, MontanaSat, Feb 17, 10:48 AM MST · 3148 days ago · 9 km deep · 79 km away
37. 1.912 km NE of West Yellowstone, MontanaSat, Feb 17, 11:03 AM MST · 3148 days ago · 7 km deep · 78 km away
38. 1.812 km NE of West Yellowstone, MontanaSat, Feb 17, 11:19 AM MST · 3148 days ago · 6 km deep · 77 km away
39. 1.612 km NE of West Yellowstone, MontanaSat, Feb 17, 11:48 AM MST · 3148 days ago · 8 km deep · 78 km away
40. 1.610 km E of Hebgen Lake Estates, MontanaSat, Feb 17, 12:55 PM MST · 3148 days ago · 6 km deep · 84 km away
41. 1.611 km NE of West Yellowstone, MontanaSat, Feb 17, 1:30 PM MST · 3148 days ago · 6 km deep · 78 km away
42. 2.011 km NE of West Yellowstone, MontanaSat, Feb 17, 1:36 PM MST · 3148 days ago · 6 km deep · 79 km away
43. 1.612 km NE of West Yellowstone, MontanaSat, Feb 17, 2:35 PM MST · 3148 days ago · 6 km deep · 78 km away
44. 1.712 km NE of West Yellowstone, MontanaSat, Feb 17, 3:27 PM MST · 3148 days ago · 7 km deep · 79 km away
45. 1.512 km NE of West Yellowstone, MontanaSat, Feb 17, 4:00 PM MST · 3148 days ago · 8 km deep · 79 km away
46. 1.912 km NE of West Yellowstone, MontanaSat, Feb 17, 4:44 PM MST · 3148 days ago · 8 km deep · 78 km away
47. 1.7WyomingSat, Feb 17, 5:28 PM MST · 3148 days ago · 5 km deep · 78 km away
48. 1.911 km NE of West Yellowstone, MontanaSat, Feb 17, 5:34 PM MST · 3148 days ago · 6 km deep · 78 km away
49. 2.5WyomingSat, Feb 17, 7:00 PM MST · 3148 days ago · 8 km deep · 78 km away
50. 2.411 km NE of West Yellowstone, MontanaSat, Feb 17, 7:19 PM MST · 3148 days ago · 7 km deep · 78 km away
51. 1.612 km NE of West Yellowstone, MontanaSat, Feb 17, 7:23 PM MST · 3148 days ago · 6 km deep · 77 km away
52. 1.612 km NE of West Yellowstone, MontanaSat, Feb 17, 7:26 PM MST · 3148 days ago · 6 km deep · 78 km away
53. 1.812 km NE of West Yellowstone, MontanaSat, Feb 17, 7:57 PM MST · 3148 days ago · 6 km deep · 77 km away

Before

1. 2.337 km S of Silver Gate, MontanaMon, Dec 18, 4:44 PM MST · 3209 days ago · 13 km deep · 3 km away
2. 1.9Idaho-Montana border regionWed, Dec 13, 2:12 AM MST · 3215 days ago · 8 km deep · 81 km away
3. 2.246 km SSW of Silver Gate, MontanaFri, Dec 8, 2:41 PM MST · 3219 days ago · 5 km deep · 18 km away
4. 1.613 km E of Hebgen Lake Estates, MontanaWed, Dec 6, 7:12 PM MST · 3221 days ago · 8 km deep · 81 km away
5. 1.911 km SW of West Yellowstone, MontanaTue, Dec 5, 3:24 PM MST · 3222 days ago · 14 km deep · 96 km away
6. 1.525 km SSW of Mammoth, WyomingTue, Dec 5, 3:15 AM MST · 3223 days ago · 4 km deep · 64 km away
7. 2.27 km SW of Hebgen Lake Estates, MontanaTue, Dec 5, 3:08 AM MST · 3223 days ago · 15 km deep · 99 km away
8. 1.725 km SSW of Mammoth, WyomingTue, Dec 5, 3:03 AM MST · 3223 days ago · 5 km deep · 64 km away
9. 1.624 km SSE of Mammoth, WyomingTue, Nov 28, 2:20 PM MST · 3229 days ago · 3 km deep · 51 km away
10. 1.525 km S of Mammoth, WyomingTue, Nov 28, 2:10 PM MST · 3229 days ago · 3 km deep · 52 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu60262852. Read Fri, Oct 2, 2026, 1:33 AM UTC.