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Jonathan Hagstrum

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


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

*Disclaimer: Listing outside positions with professional scientific organizations on this Staff Profile are for informational purposes only and do not constitute an endorsement of those professional scientific organizations or their activities by the USGS, Department of the Interior, or U.S. Government