Earthquake Information for Montana

Yearly Average Number of Earthquakes in Montana
78
Total Number of Earthquakes in Montana since 1931
6,462
Counties With The Highest Risk Of Earthquakes
Select a year:
  • Wibaux County, MT Probability: 0.137%
  • Fallon County, MT Probability: 0.138%
  • Garfield County, MT Probability: 0.139%
  • Prairie County, MT Probability: 0.148%
  • Musselshell County, MT Probability: 0.150%
  • Custer County, MT Probability: 0.176%
  • Phillips County, MT Probability: 0.186%
  • Hill County, MT Probability: 0.203%
  • Yellowstone County, MT Probability: 0.206%
  • Valley County, MT Probability: 0.207%
  • Carter County, MT Probability: 0.212%
  • Dawson County, MT Probability: 0.213%
  • Petroleum County, MT Probability: 0.216%
  • Chouteau County, MT Probability: 0.257%
  • Blaine County, MT Probability: 0.275%
  • Golden Valley County, MT Probability: 0.299%
  • Fergus County, MT Probability: 0.317%
  • Treasure County, MT Probability: 0.340%
  • Rosebud County, MT Probability: 0.358%
  • McCone County, MT Probability: 0.379%
  • Richland County, MT Probability: 0.489%
  • Powder River County, MT Probability: 0.591%
  • Big Horn County, MT Probability: 0.742%
  • Liberty County, MT Probability: 0.971%
  • Roosevelt County, MT Probability: 1.107%
  • Daniels County, MT Probability: 1.246%
  • Sheridan County, MT Probability: 2.075%
  • Toole County, MT Probability: 2.952%
  • Stillwater County, MT Probability: 3.521%
  • Wheatland County, MT Probability: 3.576%
  • Carbon County, MT Probability: 4.059%
  • Judith Basin County, MT Probability: 4.129%
  • Pondera County, MT Probability: 8.773%
  • Cascade County, MT Probability: 9.012%
  • Sweet Grass County, MT Probability: 13.318%
  • Ravalli County, MT Probability: 15.244%
  • Teton County, MT Probability: 16.102%
  • Glacier County, MT Probability: 20.882%
  • Mineral County, MT Probability: 22.104%
  • Deer Lodge County, MT Probability: 25.647%
  • Lincoln County, MT Probability: 29.327%
  • Granite County, MT Probability: 32.295%
  • Lewis and Clark County, MT Probability: 39.323%
  • Silver Bow County, MT Probability: 41.460%
  • Meagher County, MT Probability: 43.573%
  • Sanders County, MT Probability: 48.980%
  • Powell County, MT Probability: 51.198%
  • Missoula County, MT Probability: 55.048%
  • Jefferson County, MT Probability: 63.610%
  • Park County, MT Probability: 63.964%
  • Beaverhead County, MT Probability: 68.738%
  • Flathead County, MT Probability: 70.910%
  • Broadwater County, MT Probability: 71.144%
  • Lake County, MT Probability: 80.007%
  • Gallatin County, MT Probability: 80.222%
  • Madison County, MT Probability: 83.790%
  • Montana Earthquake by county