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AVO Staff Directory

AVO is a very extended family. Some people work full time for the observatory, others well under half time. Others perform essential work, but only draw operating expenses. Several agencies contribute personnel at several locations. A wide variety of disciplines are represented, including geophysics, geology, glaciology, hydrology, geochemistry, remote sensing, computing, electronics, and administration. The following people are the paid staff, and share among themselves about 22 Full Time Equivalent positions.

[List staff by discipline] [List staff alphabetically] [List staff by office location]
* When listing staff by discipline, some individuals may be listed more than once.

Andy Calvert
Institute: USGS
Address: Menlo Park, California 94025
Discipline(s):Geochronology
Geology
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I am the argon geochronologist for Volcano Hazards.
[Show Publications]

Geology and 40Ar/39Ar geochronology of the medium- to high-K Tanaga volcanic cluster, western Aleutians, 2012
citation imageJicha, B.R., Coombs, M.L., Calvert, A.T., and Singer, B.S., 2012, Geology and 40Ar/39Ar geochronology of the medium- to high-K Tanaga volcanic cluster, western Aleutians: Geological Society of America Bulletin, v. 124, n. 5/6, p. 842-856, doi:10.1130/B30472.1 .
http://dx.doi.org/10.1130/B30472.1


Diverse lavas from closely spaced volcanoes drawing from a common parent: Emmons Lake Volcanic Center, Eastern Aleutian Arc, 2009
citation imageMangan, Margaret, Miller, Thomas, Waythomas, Christopher, Trusdell, Frank, Calvert, Andrew, and Layer, Paul, 2009, Diverse lavas from closely spaced volcanoes drawing from a common parent: Emmons Lake Volcanic Center, Eastern Aleutian Arc: Earth and Planetary Science Letters, v. 287, p. 363-372, doi:10.1016/j.epsl.2009.08.018 .
http://dx.doi.org/10.1016/j.epsl.2009.08.018


Geologic map of the 350 km3 basalt-to-dacite Veniaminof Volcano, Aleutian Arc, 2009
Bacon, C.R., Sisson, T.W., Calvert, A.T., and Nye, C.J., 2009, Geologic map of the 350 km3 basalt-to-dacite Veniaminof Volcano, Aleutian Arc [abs.]: Abstracts with Programs - Geological Society of America, v. 41, n. 7, p. 660-661.


Growth of an intrusive complex beneath Mt. Veniaminof, Alaska, 2008
Calvert, A.T., Bacon, C.R., Sisson, T.W., and Nye, C.J., 2008, Growth of an intrusive complex beneath Mt. Veniaminof, Alaska [abs.]: Abstracts of the 18th Annual V.M. Goldschmidt Conference, Vancouver, BC, Canada, Geochimica et Cosmochimica Acta, v. 72, n. 12S, p. A130.


Blue Mountain and The Gas Rocks: rear-arc dome clusters on the Alaska Peninsula, 2007
citation imageHildreth, Wes, Fierstein, Judy, and Calvert, A.T., 2007, Blue Mountain and The Gas Rocks; rear-arc dome clusters on the Alaska Peninsula: in Haeussler, P.J., and Galloway, J.P., eds., Studies by the U.S. Geological Survey in Alaska, U.S. Geological Survey Professional Paper 1739-A, 27 p., available at http://pubs.usgs.gov/pp/pp1739/a/ .
Download USGS website with link to full-text PDF


Volcano-glacier interactions at Mount Veniaminof Volcano, a large ice-filled caldera on the Alaska Peninsula, 2007
Waythomas, Christopher, Miller, T.P., Welch, Brian, Calvert, Andrew, Bacon, C.R., and Wallace, K.L., 2007, Volcano-glacier interactions at Mount Veniaminof Volcano, a large ice-filled caldera on the Alaska Peninsula [abs.]: Geological Society of America - Abstracts with Programs, v. 39, n. 4, p. 20.


Volcano-glacier interactions at Mount Veniaminof Volcano, a large ice-filled caldera on the Alaska Peninsula, 2007
Waythomas, Christopher, Miller, T.P., Welch, Brian, Calvert, A.T., Bacon, C.R., and Wallace, K.L., 2007, Volcano-glacier interactions at Mount Veniaminof, a large ice-filled caldera on the Alaska Peninsula [abs.]: Abstracts with Programs - Geological Society of America, v. 39, n. 4, p. 20.


Argon geochronology of Late Pleistocene to Holocene Westdahl Volcano, Unimak Island, Alaska, 2005
citation imageCalvert, A.T., Moore, R.B., and McGimsey, R.G., 2005, Argon geochronology of Late Pleistocene to Holocene Westdahl Volcano, Unimak Island, Alaska: in Haeussler, P.J., and Galloway, J.P., eds., Studies by the U.S. Geological Survey in Alaska, 2004, U.S. Geological Survey Professional Paper PP 1709-D, 16 p.
Download PDF full-text PDF : 776 KB
Download USGS html website with links to this chapter and others in this paper


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