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Publication Citation
| USGS Series | Fact Sheet |
|---|---|
| Report Number | 172-96 |
| Title | Invisible CO2 gas killing trees at Mammoth Mountain, California |
| Edition | Version 2.0 |
| Language | ENGLISH |
| Author(s) | Sorey, Michael L.; Farrar, Christopher D.; Gerlach, Terrance M.; McGee, Kenneth A.; Evans, William C.; Colvard, Elizabeth M.; Hill, David P.; Bailey, Roy A.; Rogie, John D.; Hendley, James W., II; Stauffer, Peter H. |
| Year | 2000 |
| Originating office | USGS Volcano Hazards Program |
| USGS Library Call Number | (200) F327 no.96-172 (rev.) |
| Physical description | 1 sheet |
| ISBN |
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Abstract
Since 1980, scientists have monitored geologic unrest in Long Valley Caldera and at adjacent Mammoth Mountain, California. After a persistent swarm of earthquakes beneath Mammoth Mountain in 1989, geologists discovered that large volumes of carbon dioxide (CO2 ) gas were seeping from beneath this volcano. This gas is killing trees on the mountain and also can be a danger to people. The U.S. Geological Survey (USGS) continues to study the CO2 emissions to help protect the public from this invisible potential hazard.
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