Wyoming earthquakes

M1.6 earthquake 30 km NNE of Alta, Wyoming

A magnitude 1.6 earthquake struck 30 km NNE of Alta, Wyoming on Sun, Mar 15, 2015, 8:30 AM MDT (14:30 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.2 25 km SSW of Irwin, Idaho. This one was a foreshock.

Driggs forecastMore in Wyoming

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2015-03-15 14:30:00 UTC
Depth
8.4 km (5.2 mi), shallow
Epicenter
44.002° N, 110.866° W
Region
Wyoming
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.5 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.18
Depth from
FROM_LOCATION
Station coverage gap
131°
Stations used
16

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.225 km SSW of Irwin, Idaho · 4218 days ago · 1 km deep · 100 km away
  2. 1.830 km SSE of Mammoth, Wyoming · 4215 days ago · 5 km deep · 84 km away
  3. 1.655 km SE of West Yellowstone, Montana · 4214 days ago · 4 km deep · 40 km away
  4. 2.017 km ENE of Hebgen Lake Estates, Montana · 4213 days ago · 8 km deep · 91 km away
  5. 2.029 km SSE of Mammoth, Wyoming · 4212 days ago · 4 km deep · 86 km away
  6. 2.227 km SSE of Mammoth, Wyoming · 4212 days ago · 7 km deep · 87 km away
  7. 1.628 km SSE of Mammoth, Wyoming · 4212 days ago · 7 km deep · 87 km away
  8. 2.25 km ENE of Alta, Wyoming · 4211 days ago · 4 km deep · 27 km away
  9. 1.949 km ESE of West Yellowstone, Montana · 4206 days ago · 2 km deep · 66 km away
  10. 1.730 km NNE of Alta, Wyoming · 4201 days ago · 10 km deep · 0 km away
  11. 1.65 km ESE of Hebgen Lake Estates, Montana · 4194 days ago · 12 km deep · 87 km away
  12. 2.245 km ENE of Warm River, Idaho · 4190 days ago · 7 km deep · 27 km away
  13. 1.545 km ENE of Warm River, Idaho · 4190 days ago · 5 km deep · 26 km away
  14. 2.125 km ESE of West Yellowstone, Montana · 4186 days ago · 6 km deep · 61 km away
  15. 2.029 km ESE of West Yellowstone, Montana · 4185 days ago · 5 km deep · 64 km away
  16. 1.919 km SSW of Irwin, Idaho · 4179 days ago · 7 km deep · 94 km away
  17. 2.251 km SE of Mammoth, Wyoming · 4177 days ago · 5 km deep · 79 km away
  18. 1.625 km SE of Mammoth, Wyoming · 4175 days ago · 6 km deep · 93 km away
  19. 1.75 km SE of Kelly, Wyoming · 4173 days ago · 8 km deep · 51 km away
  20. 1.624 km SW of Swan Valley, Idaho · 4170 days ago · 1 km deep · 95 km away
  21. 1.5Idaho-Montana border region · 4169 days ago · 8 km deep · 85 km away
  22. 1.74 km SE of Hebgen Lake Estates, Montana · 4169 days ago · 10 km deep · 85 km away
  23. 2.14 km SE of Hebgen Lake Estates, Montana · 4168 days ago · 9 km deep · 85 km away
  24. 2.04 km SE of Hebgen Lake Estates, Montana · 4165 days ago · 10 km deep · 85 km away
  25. 1.635 km E of West Yellowstone, Montana · 4163 days ago · 5 km deep · 70 km away
  26. 1.85 km ENE of Jackson, Wyoming · 4162 days ago · 6 km deep · 57 km away · felt by 7
  27. 1.524 km SSE of West Yellowstone, Montana · 4161 days ago · 6 km deep · 52 km away
  28. 1.74 km SE of Hebgen Lake Estates, Montana · 4161 days ago · 10 km deep · 85 km away

Before

  1. 1.953 km SSE of Mammoth, Wyoming · 4221 days ago · 4 km deep · 73 km away
  2. 1.51 km SW of Hebgen Lake Estates, Montana · 4224 days ago · 12 km deep · 88 km away
  3. 1.734 km SE of West Yellowstone, Montana · 4228 days ago · 2 km deep · 46 km away
  4. 1.635 km SSE of West Yellowstone, Montana · 4228 days ago · 2 km deep · 42 km away
  5. 1.941 km SSE of Mammoth, Wyoming · 4230 days ago · 4 km deep · 80 km away
  6. 1.930 km ESE of West Yellowstone, Montana · 4232 days ago · 7 km deep · 63 km away
  7. 1.94 km SE of Hebgen Lake Estates, Montana · 4235 days ago · 9 km deep · 85 km away
  8. 2.014 km ENE of Hebgen Lake Estates, Montana · 4242 days ago · 5 km deep · 90 km away
  9. 2.414 km ENE of Hebgen Lake Estates, Montana · 4242 days ago · 5 km deep · 90 km away
  10. 1.832 km ESE of West Yellowstone, Montana · 4243 days ago · 6 km deep · 64 km away
  11. 2.314 km ENE of Hebgen Lake Estates, Montana · 4243 days ago · 6 km deep · 90 km away
  12. 1.93 km SW of Hebgen Lake Estates, Montana · 4247 days ago · 11 km deep · 88 km away

Earthquakes todayWyoming earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60104632. Read Sat, Oct 3, 2026, 4:43 AM UTC.