Hazards
Hazards
Potential hazards for Mammoth Mountain.
Carbon Dioxide at Mammoth Mountain
Carbon Dioxide at Mammoth Mountain
High concentrations of carbon dioxide (CO2) gas in soil are killing trees on the flanks of Mammoth Mountain. Pay serious attention to signs warning of CO2 hazards.
Pyroclastic Flow and Surge Hazard
Pyroclastic Flow and Surge Hazard
The zone is centered along the south moat of the caldera, which is the location of epicenters of many swarms of earthquakes since 1980 and the area of most intense ground movement (deformation).
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Hazards Summary for Mammoth Mountain
Pyroclastic flow and carbon dioxide hazards at Mammoth Mountain.
Carbon Dioxide at Mammoth Mountain
High concentrations of carbon dioxide (CO2) gas in soil are killing trees on the flanks of Mammoth Mountain. Pay serious attention to signs warning of CO2 hazards.
Pyroclastic Flow and Surge Hazard Zones from Potential Vents in the Mammoth Mountain Area, Long Valley Caldera, California
This hazard zone is based on explosive eruptions from vents located along the chain in the past 10,000 years that are known to have ejected <1 square kilometers (0.25 square miles) of magma and generated pyroclastic flows or surges.