The landscape of the greater Yellowstone region has evolved gradually over millennia, punctuated by rare cataclysmic events such as volcanic eruptions, major earthquakes, and glacial outburst floods.
Hundreds of people from southwest Montana, Idaho, and even Utah reported hearing a boom that a Montana Tech professor says showed up on seismic sensors throughout western Montana.
Hundreds of people from southwest Montana, Idaho, and even Utah reported hearing a boom that an expert says showed up on seismic sensors throughout western Montana.