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Geophysical imaging of fluids in the Cascadia subduction zone

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Water that has been carried deep into the Earth by oceanic plates in subduction zones, can influence earthquakes and volcanic eruptions. Three-dimensional images of electrical resistivity derived from electromagnetic geophysical data provide new constraints on the distribution, transport, and storage of water in the Cascadia subduction zone.

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Fig. 1: Using 3D electrical resistivity to reveal fluid transport and storage in Cascadia.

References

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This is a summary of: Egbert, G. D. et al. Fluid transport and storage in the Cascadia forearc influenced by overriding plate lithology. Nat. Geosci. https://doi.org/10.1038/s41561-022-00981-8 (2022).

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Geophysical imaging of fluids in the Cascadia subduction zone. Nat. Geosci. 15, 607–608 (2022). https://doi.org/10.1038/s41561-022-00984-5

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