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Piezomagnetic Response with Depth, Related to Tectonomagnetism as an Earthquake Precursor
[chapter]
1979
Tectonomagnetics and Local Geomagnetic Field Variations
Piezomagnetic field variations can result from tectonic stress changes in the focal zone of an impending earthquake. Interpretationof such observed tectonomagnetic effects requires modeling of the stress response of magnetic properties of the lithosphere. Calculations have been made to estimate the here piezomagnetic effect as a function of depth, by considering the effect of stress on the magnetization of magnetite (Fe3O4) with increasing temperature and hydrostatic pressure. The
doi:10.1007/978-94-010-9825-0_12
fatcat:txg4fvqhsbbxplj7i4duzgc7se