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Michelle L. Coombs

Title: Research Geologist
Address: 4210 University Dr., Anchorage, AK 99508-4626
Phone: (907) 786-7403
Fax: (907) 786-7425
Email: mcoombs@usgs.gov

Image of Michelle L. Coombs

Education and/or Training

Ph.D.2001University of Alaska Fairbanks, Fairbanks, AKGeology
B.S.1994Williams College, Williamstown, MAGeology

Areas of Specialization and/or Research Interests

Research on volcanic and magmatic processes, geochemistry, petrology, evolution of volcanic systems; geologic mapping.

Professional Experience

2001-2004Research Geologist, Volcano Hazards Program, US Geological Survey, Menlo Park, CA

Professional Activities and/or Memberships

Member, American Geophysical Union, 1995-present
Member, Mineralogical Society of America, 1996-present
Member, International Association of Volcanology and Chemistry of the Earth’s Interior, 1999-present

Honors and/or Awards

2003, STAR Award, USGS, for outstanding contributions towards project work.
2000, Award for Arctic Research Excellence (Physical Sciences Category), Arctic Research Consortium of the U.S.
1999, Outstanding Student Paper Award, American Geophysical Union.
1994, Graduated cum laude with Highest Honors in Geology, Williams College.
1994, Elected member, Sigma Xi.

Publications

Total pubs: 12

Coombs, M. L., R. G. McGimsey, and B. L. Browne. 2008. Preliminary volcano-hazard assessment for Gareloi Volcano, Gareloi Island, Alaska. USGS Scientific Investigations Report 2008-5159, 36 p. [Details] [Full Publication]

Coombs, M. L., C. A. Neal, R. L. Wessels, and R. G. McGimsey. 2006. Geothermal disruption of ice at Mount Spurr Volcano, 2004 - 2006: An unusual manifestation of volcanic unrest in Alaska. In Haeussler, P., and Galloway, J., (eds.). Studies by the U.S. Geological Survey in Alaska, 2005. USGS Professional Paper 1732-B [Details] [Full Publication]

Coombs, M. L., T. Sisson, and P. Lipman. 2006. Growth history of Kilauea inferred from volatile concentrations in submarine-collected basalts. Journal of Volcanology and Geothermal Research 151:19-49. [Details]

Lipman, P. and M. L. Coombs. 2006. Submarine slump failure during the early(?) tholeiitic shield stage of a Hawaiian volcano: North Kona flank of Hualalai. Journal of Volcanology and Geothermal Research 151:189-216. [Details]

Hammer, J., M. L. Coombs, P. Shamberger, and J-I. Kimura. 2006. Submarine sliver in North Kona: A window into the early magmatic and growth history of Hualalai Volcano, Hawaii. Journal of Volcanology and Geothermal Research 151:157-188. [Details]

Lipman, P., T. Sisson, M. L. Coombs, and J-I. Kimura. 2006. Piggyback tectonics: Long-term growth of Kilauea on the south flank of Mauna Loa. Journal of Volcanology and Geothermal Research 152:73-108. [Details]

Coombs, M. L. and J. Gardner. 2004. Reaction rim growth on olivine in silicic melt: Implications for magma mixing. American Mineralogist 89:748-759. [Details]

Coombs, M. L., D. Clague, P. Shamberger, and B. Cousens. 2004. The growth and collapse of Waianae volcano, Hawaii, as revealed by exploration of its submarine flanks. Geochemistry, Geophysics, Geosystems 5. doi:10.1029/2004GC000717 [Details] [Full Publication]

Coombs, M. L., T. Sisson, and J-I. Kimura. 2004. Ultra-high chlorine in submarine Kilauea glasses: Evidence for assimilation of brine by magma. Earth and Planetary Science Letters 217:297-313. [Details]

Coombs, M. L., J. Eichelberger, and M. Rutherford. 2003. Experimental and textural constraints on mafic enclave formation in volcanic rocks. Journal of Volcanology and Geothermal Research 119:125-144. [Details]

Coombs, M. L. and J. Gardner. 2001. Shallow storage conditions for the rhyolite of the 1912 eruption at Novarupta, Alaska. Geology 29:775-778. [Details]

Coombs, M. L., J. Eichelberger, and M. Rutherford. 2000. Magma storage and mixing conditions for the 1953-1968 eruption of Southwest Trident volcano, Katmai National Park, Alaska. Contributions to Mineralogy and Petrology 140:99-118. [Details]

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