Tectonic tremor may ultimately be caused by in situ fluid overpressure generated by chemical reactions between a subducting slab and the mantle, according to field and microstructural observations of a shear zone.
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Ujiie, K. Chemical origin of tectonic tremor. Nat. Geosci. 12, 962–963 (2019). https://doi.org/10.1038/s41561-019-0481-9
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DOI: https://doi.org/10.1038/s41561-019-0481-9
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