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Steven Ingebritsen, Ph.D.

Research topics include magmatic-hydrothermal systems, crustal permeability, and land subsidence

Served a 10-year term as a USGS Branch Chief (1998-2008), managing a $19M/year research program with about 150 full- and part-time employees and contractors.  Fellow of both the American Geophysical Union and the Geological Society of America (GSA); recipient of the O.E. Meinzer Award from GSA and the John Hem Award from the National Ground Water Association; and a GSA Birdsall-Dreiss Distinguished Lecturer.  Author of the textbook Groundwater in Geologic Processes (Cambridge University Press, 1998, 2nd ed. 2006) and co-Editor of Crustal Permeability (Wiley/AGU, 2016).  Past co-Editor-in-Chief of Geothermics (1996-1998) and Geofluids (2006-2010) and past Chair of GSA’s Hydrogeology Division.  Member U.S. National Academy of Engineering.


Hydrothermal monitoring data from the Cascade Range:

Hydrothermal discharge at selected sites in the western US (Ingebritsen and others, JVGR, 2001):

Geyser-frequency data from Upper Geyser Basin (Rojstaczer and others, 2003):