![USGS
Identifier](https://webarchive.library.unt.edu/eot2008/20090506232108im_/http://lvo.wr.usgs.gov/images/sec_usgsid.gif)
Fumaroles in Long Valley Caldera
The USGS monitors characteristics at 5 fumaroles in Long Valley.
Click on the fumarole names on the map to learn more about each fumarole. Check
back often as additional fumarole names will become active. Click here
if you'd like the text-only version of this webpage.
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U.S. Department of the Interior, U.S. Geological Survey, Menlo Park, California, USA
URL http://lvo.wr.usgs.gov/fumaroles.htm
Contact: Long Valley Web Team
Last modification: 9 March 2004 (MS)