M1.7 earthquake 1 km SW of Alta, Wyoming

Magnitude

1.7 (Mc), micro

Magnitude from

Montana Bureau of Mines and Geology

Local time

Mon, Dec 29, 2014, 12:25 AM MST

UTC

2014-12-29 07:25:23 UTC

Depth

3.4 km (2.1 mi), shallow

Epicenter

43.748° N, 111.048° W

Region

Idaho

Tsunami flag

No

Status

Automatic solution, may be revised

Location uncertainty

About 0.7 km horizontally, 1.5 km in depth

Magnitude uncertainty

±0.50

Station coverage gap

94°

Stations used

22

• Driggs, IdahoPopulation 1,689. Forecast6 kmENE
• Jackson, WyomingPopulation 10,523. Forecast38 kmNW
• Billings, MontanaPopulation 117,116. Forecast303 kmSW
• Calgary, CanadaPopulation 1,306,784. Forecast843 kmSSE

After

1. 1.91 km WSW of Alta, WyomingMon, Dec 29, 1:24 AM MST · 4296 days ago · 2 km deep · 1 km away
2. 1.81 km WSW of Alta, WyomingMon, Dec 29, 7:00 PM MST · 4295 days ago · 4 km deep · 0 km away
3. 1.60 km WSW of Alta, WyomingTue, Dec 30, 10:06 PM MST · 4294 days ago · 1 km deep · 0 km away
4. 1.81 km SW of Alta, WyomingWed, Dec 31, 1:45 PM MST · 4294 days ago · 3 km deep · 0 km away
5. 1.6southern IdahoFri, Jan 2, 9:32 AM MST · 4292 days ago · 3 km deep · 0 km away
6. 1.529 km ESE of West Yellowstone, MontanaFri, Jan 2, 4:52 PM MST · 4291 days ago · 10 km deep · 96 km away
7. 1.91 km WSW of Alta, WyomingSat, Jan 3, 3:12 AM MST · 4291 days ago · 3 km deep · 1 km away
8. 2.02 km WSW of Alta, WyomingSat, Jan 3, 6:49 AM MST · 4291 days ago · 3 km deep · 1 km away
9. 1.91 km WSW of Alta, WyomingSat, Jan 3, 6:52 AM MST · 4291 days ago · 3 km deep · 1 km away
10. 1.82 km SW of Alta, WyomingSat, Jan 3, 7:36 PM MST · 4290 days ago · 3 km deep · 1 km away
11. 1.60 km SSW of Alta, WyomingSat, Jan 3, 7:43 PM MST · 4290 days ago · 4 km deep · 0 km away
12. 1.746 km ESE of West Yellowstone, MontanaThu, Jan 8, 1:42 PM MST · 4286 days ago · 4 km deep · 84 km away
13. 1.50 km SW of Alta, WyomingThu, Jan 15, 3:06 AM MST · 4279 days ago · 2 km deep · 0 km away
14. 2.011 km NE of Tetonia, IdahoSat, Jan 17, 1:29 PM MST · 4277 days ago · 7 km deep · 14 km away
15. 1.51 km SE of Alta, WyomingSat, Jan 17, 3:09 PM MST · 4277 days ago · 6 km deep · 2 km away
16. 1.710 km ENE of Tetonia, IdahoWed, Jan 21, 1:46 AM MST · 4273 days ago · 5 km deep · 13 km away
17. 1.648 km NE of Alta, WyomingThu, Jan 22, 11:09 PM MST · 4271 days ago · 7 km deep · 50 km away
18. 1.832 km ESE of West Yellowstone, MontanaFri, Feb 20, 7:09 AM MST · 4243 days ago · 6 km deep · 95 km away

Before

1. 1.81 km WSW of Alta, WyomingSun, Dec 28, 6:01 AM MST · 4297 days ago · 3 km deep · 0 km away
2. 1.81 km SW of Alta, WyomingSun, Dec 28, 5:53 AM MST · 4297 days ago · 3 km deep · 0 km away
3. 1.60 km SW of Alta, WyomingSun, Dec 28, 1:32 AM MST · 4297 days ago · 3 km deep · 0 km away
4. 2.16 km ENE of Teton Village, WyomingTue, Dec 23, 8:12 PM MST · 4301 days ago · 7 km deep · 29 km away
5. 1.849 km ESE of West Yellowstone, MontanaSat, Dec 20, 12:22 AM MST · 4305 days ago · 2 km deep · 90 km away
6. 2.447 km ENE of Warm River, IdahoMon, Dec 15, 11:02 AM MST · 4310 days ago · 4 km deep · 61 km away
7. 1.78 km ENE of Alta, WyomingThu, Dec 11, 4:29 AM MST · 4314 days ago · 7 km deep · 9 km away
8. 1.632 km SE of West Yellowstone, MontanaWed, Dec 10, 5:24 PM MST · 4314 days ago · 1 km deep · 81 km away
9. 1.718 km SSE of West Yellowstone, MontanaWed, Dec 10, 5:22 PM MST · 4314 days ago · 5 km deep · 86 km away
10. 1.654 km NE of Alta, WyomingSun, Dec 7, 11:32 PM MST · 4317 days ago · 11 km deep · 56 km away
11. 2.130 km ESE of West Yellowstone, MontanaFri, Dec 5, 5:02 PM MST · 4319 days ago · 5 km deep · 95 km away
12. 2.045 km ENE of Warm River, IdahoWed, Dec 3, 12:51 PM MST · 4322 days ago · 5 km deep · 59 km away
13. 1.546 km ENE of Warm River, IdahoWed, Dec 3, 10:33 AM MST · 4322 days ago · 3 km deep · 60 km away
14. 1.746 km ENE of Warm River, IdahoWed, Dec 3, 10:20 AM MST · 4322 days ago · 3 km deep · 60 km away
15. 1.945 km ENE of Warm River, IdahoWed, Dec 3, 10:20 AM MST · 4322 days ago · 5 km deep · 58 km away
16. 1.646 km ENE of Warm River, IdahoWed, Dec 3, 9:07 AM MST · 4322 days ago · 3 km deep · 60 km away
17. 2.140 km SE of West Yellowstone, MontanaTue, Dec 2, 2:25 AM MST · 4323 days ago · 3 km deep · 76 km away
18. 1.640 km SE of West Yellowstone, MontanaTue, Dec 2, 2:04 AM MST · 4323 days ago · 2 km deep · 76 km away
19. 1.840 km SE of West Yellowstone, MontanaTue, Dec 2, 1:40 AM MST · 4323 days ago · 2 km deep · 76 km away
20. 1.643 km ESE of West Yellowstone, MontanaSat, Nov 29, 12:00 PM MST · 4326 days ago · 4 km deep · 93 km away

From the USGS Earthquake Hazards Program and its partner networks, event mb14296702. Read Sat, Oct 3, 2026, 10:55 AM UTC.