Item talk:Q47051: Difference between revisions
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"name": "Malcolm J. S. Johnston", | |||
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"name": "1970-1972: Assistant Professor, Dept. Geology and Mineralogy, University of Michigan" | |||
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"name": "1979\u20131999: Visiting Scientist, US/China Exchange Program, Continuous Magnetic Field and Geodetic Arrays Along Active Faults in Yunnan and Near Beijing, China" | |||
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"abstract": "The focus of my research has been on the mechanics of failure of active faults and volcanoes." | |||
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"abstract": "My research focuses on the physical processes occurring prior to, during, and following earthquakes and volcanic eruptions and their implications in observations of ground displacement, strain, tilt, electric and magnetic fields using data from state-of-the-art borehole instrumentation. These data show the details of aseismic fault failure, preseismic, coseismic and postseismic deformation, earthquake nucleation, volcanic deformation and volcanic processes. Theoretical modeling of these processes suggests testable physical explanations in term of physics of failure, the role of fluids in the crust, strain redistribution, and likely properties of fault zone materials. Very near-field data on slow slip, earthquakes and dynamic rupture were obtained in fault zones at 3.6 km depth in South Africa, a few 10\u2019s of meters from earthquakes from M=-4.5 to M=2." | |||
} | |||
], | |||
"email": "mal@usgs.gov", | |||
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"name": "2001-present: Co-chairman and Executive Committee of International Union of Geology and Geophysics (IUGG) Working Group on Electromagnetic Studies of Earthquakes and Volcanoes (EMSEV)" | |||
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Latest revision as of 21:00, 22 September 2024
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