M1.9 earthquake 40 km SSE of Mammoth, Wyoming

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

University of Utah Seismograph Stations

Local time

Tue, Dec 2, 2014, 3:42 AM MST

UTC

2014-12-02 10:42:12 UTC

Depth

-0.4 km (-0.2 mi), shallow

Epicenter

44.643° N, 110.493° W

Region

Montana

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.57

Depth from

FROM_LOCATION

Station coverage gap

110°

Stations used

9

• Gardiner, MontanaPopulation 875. Forecast46 kmSSE
• Bozeman, MontanaPopulation 43,405. Forecast123 kmSSE
• Billings, MontanaPopulation 117,116. Forecast201 kmSW
• Calgary, CanadaPopulation 1,306,784. Forecast761 kmSSE

After

1. 1.824 km SE of Mammoth, WyomingWed, Dec 3, 4:35 AM MST · 4322 days ago · 6 km deep · 18 km away
2. 1.646 km ENE of Warm River, IdahoWed, Dec 3, 9:07 AM MST · 4322 days ago · 3 km deep · 50 km away
3. 1.945 km ENE of Warm River, IdahoWed, Dec 3, 10:20 AM MST · 4322 days ago · 5 km deep · 51 km away
4. 1.746 km ENE of Warm River, IdahoWed, Dec 3, 10:20 AM MST · 4322 days ago · 3 km deep · 49 km away
5. 1.546 km ENE of Warm River, IdahoWed, Dec 3, 10:33 AM MST · 4322 days ago · 3 km deep · 49 km away
6. 2.045 km ENE of Warm River, IdahoWed, Dec 3, 12:51 PM MST · 4322 days ago · 5 km deep · 50 km away
7. 1.624 km SE of Mammoth, WyomingThu, Dec 4, 1:01 AM MST · 4321 days ago · 4 km deep · 17 km away
8. 2.124 km SE of Mammoth, WyomingThu, Dec 4, 3:24 AM MST · 4321 days ago · 6 km deep · 17 km away
9. 1.829 km ESE of Mammoth, WyomingThu, Dec 4, 4:25 AM MST · 4321 days ago · 13 km deep · 26 km away
10. 1.835 km E of West Yellowstone, MontanaFri, Dec 5, 11:06 AM MST · 4320 days ago · 5 km deep · 13 km away
11. 2.130 km ESE of West Yellowstone, MontanaFri, Dec 5, 5:02 PM MST · 4319 days ago · 5 km deep · 21 km away
12. 1.654 km NE of Alta, WyomingSun, Dec 7, 11:32 PM MST · 4317 days ago · 11 km deep · 58 km away
13. 2.337 km SSE of Mammoth, WyomingMon, Dec 8, 8:30 AM MST · 4317 days ago · 6 km deep · 4 km away
14. 1.718 km SSE of West Yellowstone, MontanaWed, Dec 10, 5:22 PM MST · 4314 days ago · 5 km deep · 40 km away
15. 1.632 km SE of West Yellowstone, MontanaWed, Dec 10, 5:24 PM MST · 4314 days ago · 1 km deep · 33 km away
16. 1.927 km WNW of Hebgen Lake Estates, MontanaSun, Dec 14, 11:07 PM MST · 4310 days ago · 6 km deep · 85 km away
17. 2.447 km ENE of Warm River, IdahoMon, Dec 15, 11:02 AM MST · 4310 days ago · 4 km deep · 48 km away
18. 1.927 km W of Hebgen Lake Estates, MontanaTue, Dec 16, 6:16 AM MST · 4309 days ago · 12 km deep · 84 km away
19. 1.927 km W of Hebgen Lake Estates, MontanaWed, Dec 17, 8:46 PM MST · 4307 days ago · 0 km deep · 84 km away
20. 2.223 km W of Hebgen Lake Estates, MontanaWed, Dec 17, 8:46 PM MST · 4307 days ago · 9 km deep · 80 km away
21. 2.228 km WNW of Hebgen Lake Estates, MontanaThu, Dec 18, 12:31 PM MST · 4307 days ago · 6 km deep · 85 km away
22. 2.228 km WNW of Hebgen Lake Estates, MontanaThu, Dec 18, 1:09 PM MST · 4307 days ago · 6 km deep · 85 km away
23. 2.052 km SSE of Mammoth, WyomingThu, Dec 18, 3:28 PM MST · 4307 days ago · 4 km deep · 14 km away
24. 1.849 km ESE of West Yellowstone, MontanaSat, Dec 20, 12:22 AM MST · 4305 days ago · 2 km deep · 20 km away
25. 1.723 km SE of Mammoth, WyomingMon, Dec 22, 5:37 PM MST · 4302 days ago · 5 km deep · 18 km away
26. 1.824 km SE of Mammoth, WyomingWed, Dec 24, 2:48 AM MST · 4301 days ago · 6 km deep · 18 km away
27. 1.621 km ENE of Hebgen Lake Estates, MontanaMon, Dec 29, 6:59 AM MST · 4296 days ago · 8 km deep · 39 km away
28. 2.127 km W of Hebgen Lake Estates, MontanaMon, Dec 29, 10:15 PM MST · 4295 days ago · 11 km deep · 84 km away
29. 1.727 km SSE of Mammoth, WyomingWed, Dec 31, 9:40 AM MST · 4294 days ago · 4 km deep · 15 km away
30. 2.127 km W of Hebgen Lake Estates, MontanaWed, Dec 31, 9:51 PM MST · 4293 days ago · 12 km deep · 84 km away
31. 1.529 km ESE of West Yellowstone, MontanaFri, Jan 2, 4:52 PM MST · 4291 days ago · 10 km deep · 21 km away
32. 1.746 km ESE of West Yellowstone, MontanaThu, Jan 8, 1:42 PM MST · 4286 days ago · 4 km deep · 25 km away
33. 2.011 km NE of Tetonia, IdahoSat, Jan 17, 1:29 PM MST · 4277 days ago · 7 km deep · 96 km away
34. 1.67 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 7:38 PM MST · 4273 days ago · 12 km deep · 50 km away
35. 1.57 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 7:40 PM MST · 4273 days ago · 12 km deep · 49 km away
36. 1.67 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 7:48 PM MST · 4273 days ago · 12 km deep · 49 km away
37. 1.67 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 7:56 PM MST · 4273 days ago · 12 km deep · 49 km away
38. 1.77 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 8:01 PM MST · 4273 days ago · 12 km deep · 49 km away
39. 1.97 km ESE of Hebgen Lake Estates, MontanaTue, Jan 20, 9:03 PM MST · 4273 days ago · 12 km deep · 50 km away
40. 1.67 km E of Hebgen Lake Estates, MontanaTue, Jan 20, 9:19 PM MST · 4273 days ago · 12 km deep · 50 km away
41. 1.710 km ENE of Tetonia, IdahoWed, Jan 21, 1:46 AM MST · 4273 days ago · 5 km deep · 97 km away
42. 1.648 km NE of Alta, WyomingThu, Jan 22, 11:09 PM MST · 4271 days ago · 7 km deep · 63 km away
43. 1.649 km SSE of Mammoth, WyomingSat, Jan 31, 2:02 AM MST · 4263 days ago · 4 km deep · 11 km away

Before

1. 2.140 km SE of West Yellowstone, MontanaTue, Dec 2, 2:25 AM MST · 4323 days ago · 3 km deep · 34 km away
2. 1.640 km SE of West Yellowstone, MontanaTue, Dec 2, 2:04 AM MST · 4323 days ago · 2 km deep · 34 km away
3. 1.840 km SE of West Yellowstone, MontanaTue, Dec 2, 1:40 AM MST · 4323 days ago · 2 km deep · 34 km away
4. 1.825 km SSE of Mammoth, WyomingMon, Dec 1, 10:01 PM MST · 4323 days ago · 4 km deep · 16 km away
5. 2.023 km SE of Mammoth, WyomingMon, Dec 1, 4:01 PM MST · 4323 days ago · 3 km deep · 18 km away
6. 1.926 km WNW of Hebgen Lake Estates, MontanaSat, Nov 29, 9:40 PM MST · 4325 days ago · 8 km deep · 84 km away
7. 1.643 km ESE of West Yellowstone, MontanaSat, Nov 29, 12:00 PM MST · 4326 days ago · 4 km deep · 16 km away
8. 1.958 km ESE of West Yellowstone, MontanaThu, Nov 27, 4:15 PM MST · 4327 days ago · 4 km deep · 20 km away
9. 1.657 km ESE of West Yellowstone, MontanaThu, Nov 27, 4:14 PM MST · 4327 days ago · 4 km deep · 20 km away
10. 2.017 km SE of West Yellowstone, MontanaThu, Nov 27, 2:33 PM MST · 4328 days ago · 8 km deep · 35 km away
11. 1.618 km ESE of West Yellowstone, MontanaThu, Nov 27, 12:32 PM MST · 4328 days ago · 8 km deep · 34 km away
12. 2.337 km S of Silver Gate, MontanaWed, Nov 26, 12:09 AM MST · 4329 days ago · 15 km deep · 40 km away
13. 1.651 km ESE of West Yellowstone, MontanaTue, Nov 25, 9:28 PM MST · 4329 days ago · 3 km deep · 22 km away
14. 1.936 km E of West Yellowstone, MTTue, Nov 25, 10:11 AM MST · 4330 days ago · 6 km deep · 13 km away
15. 1.835 km E of West Yellowstone, MontanaTue, Nov 25, 7:37 AM MST · 4330 days ago · 7 km deep · 13 km away
16. 1.835 km E of West Yellowstone, MontanaMon, Nov 24, 9:25 PM MST · 4330 days ago · 6 km deep · 13 km away
17. 1.635 km E of West Yellowstone, MontanaMon, Nov 24, 8:31 PM MST · 4330 days ago · 6 km deep · 14 km away
18. 1.635 km E of West Yellowstone, MontanaMon, Nov 24, 8:22 PM MST · 4330 days ago · 6 km deep · 14 km away
19. 1.969 km WSW of Cody, WyomingSun, Nov 23, 5:54 PM MST · 4331 days ago · 6 km deep · 66 km away
20. 1.735 km E of West Yellowstone, MontanaSat, Nov 22, 11:30 PM MST · 4332 days ago · 6 km deep · 14 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu60094542. Read Sat, Oct 3, 2026, 10:07 AM UTC.