Long Valley caldera (California, USA)

North East rim of the Long Valley caldera, California

Volcano: Long Valley (see Long Valley at the Smithsonian Institution website in a new tab)
Type: Soil Diffuse Emission
Description: Long Valley Caldera is a depression in eastern California that is adjacent to Mammoth Mountain. The valley is one of the Earth's largest calderas, measuring about 20 mi (32 km) long (east-west) and 11 mi (18 km) wide (north-south), and up to 3,000 ft (910 m) deep. The Long Valley Caldera hosts an active hydrothermal system that includes hot springs, fumaroles (steam vents), and mineral deposits. Hot springs exist primarily in the eastern half of the caldera where land-surface elevations are relatively low; fumaroles exist primarily in the western half where elevations are higher.

This location does not have flux data

Point of contact for this site:
Deborah Bergfeld, debberg@cybermesa.com (Los Alamos National Laboratory EES-1)

Number of measurements: 28
Measurement date (d/m/y) Added by Added on
Long Valley_BC_1811200318/11/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_BC_2103200421/3/2004 Emanuela Bagnato Sept. 21, 2016
Long Valley_BF_2107200321/7/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_CD_1402200314/2/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_CD_1505200315/5/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_CD_1807200318/7/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_CD_1311200313/12/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_CD_2403200424/3/2004 Emanuela Bagnato Sept. 21, 2016
Long Valley_BC_1805200318/5/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_BC_1607200316/7/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_BF_1711200317/11/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_BF_2103200421/3/2004 Emanuela Bagnato Sept. 21, 2016
Long Valley_BCE_1911200319/11/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_BCE_2103200421/3/2004 Emanuela Bagnato Sept. 21, 2016
Long Valley_DTHN_1805200318/5/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_DTHN_2503200425/3/2004 Emanuela Bagnato Sept. 21, 2016
Long Valley_DTHS_1603200316/3/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_DTHS_1505200315/5/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_DTHS_2503200425/3/2004 Emanuela Bagnato Sept. 21, 2016
Long Valley_DTHS_2503200425/3/2004 Emanuela Bagnato Sept. 21, 2016
Long Valley_ITK_1711200317/11/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_HBP_1611200316/11/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_TPT_1811200318/11/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_SR_1311200313/11/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_FVN_1705200317/5/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_FVS_1605200316/5/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_LG1_2207200322/7/2003 Emanuela Bagnato Sept. 21, 2016
Long Valley_LG2_2207200322/7/2003 Emanuela Bagnato Sept. 21, 2016


Bibliographic references for this site

Bergfeld Deborah , William C. Evans, James F. Howle, Christopher D. Farrar, 2006,Carbon dioxide emissions from vegetation-kill zones around the resurgent dome of Long Valley caldera, eastern California, USA, Journal of Volcanology and Geothermal Research, vol.152, pp. 140-156, DOI: 10.1016/j.jvolgeores.2005.11.003


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