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Geophysics Changes in local gravity are connected to changes in subsurface mass. Panet et al. used GRACE (Gravity Recovery and Climate Experiment) satellite data to track large-scale deformation before and… Click to show full abstract
Geophysics Changes in local gravity are connected to changes in subsurface mass. Panet et al. used GRACE (Gravity Recovery and Climate Experiment) satellite data to track large-scale deformation before and after the magnitude-9 Tohoku-Oki earthquake in Japan. Their analysis of the gravity data indicates that deformation occurred deep in the subducting slab starting several months before the earthquake. After the earthquake, mass transferred to the Pacific and Philippine Sea plate interiors. The large-scale and long-time-period gravity observations provide a distinctive perspective on this devastating and well-studied earthquake. Nat. Geosci. 10.1038/s41561-018-0099-3 (2018).
Journal Title: Science
Year Published: 2018
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