Jonathan Hagstrum



My research interests include paleomagnetism, rock magnetism, geomagnetic secular variation, archeomagnetism, large-body impacts, mass extinctions, infrasound, and animal navigation.  

Recent Accomplishments


  • Ph.D. in Geology, 1985, Stanford University
  • M.Sc. in Geology, 1979, University of Michigan
  • B.A. in Geology, 1976, Cornell University

Professional Studies/Experience

  • 6/79 to present   Research Geophysicist, U.S. Geological Survey
  • 2/82 to 6/82       Teaching assistant, Stanford University
  • 9/76 to 8/78       Teaching/Research assistant, University of Michigan
  • 1/76 to 5/76       Teaching assistant, Cornell University


Professional societies/affiliations/committees/editorial boards

  • American Geophysical Union, Geological Society of America, Meteorological Society, Royal Institute of Navigation (Animal Navigation Group), Institute of Navigation, American Association for the Advancement of Science, Peninsula Geologic Society (Northern California, USA), Sociedad Geológica Peninsular (Baja California, México), International Sea Turtle Society, California Academy of Sciences
  • Member, USGS National and Regional Committees on Laboratories (2006-present)
  • Member, Research Subcommittee, Communication Tower Working Group, Department of Fish and Wildlife (2000-2005)
  • Deputy to USGS Associate Chief Geologist for Science (1997)
  • Western Region Branch Representative, USGS Isotope Geology Branch (1995-1996)
  • Member, USGS Isotope Geology Branch, Instrument Development Committee (1992-1995)
  • Associate editor, Journal of Geophysical Research (1991-1994)

Honors, awards, recognition, elected officesFellow, Royal Institute of Navigation (2009)

  • USGS Star Award (2005)
  • Fellow, Japan Society for the Promotion of Science (1996)
  • Distinguished Graduate Student, Stanford University (1983)
  • University of Michigan Teaching and Research Fellowships (1976-1978)
  • Scott Turner Earth Science Award, University of Michigan (1977)
  • Michael W. Mitchell Scholarship, Cornell University (1976)


  • Patent No. 6,690,265 B2, Infrasound Hazard-Warning Device for Night-Migrating Birds

Scientific/Oral Presentations, Abstracts