Article ID Journal Published Year Pages File Type
9951475 Earth and Planetary Science Letters 2018 13 Pages PDF
Abstract

- The lowest QP (∼30) in the upper mantle is imaged beneath the Lau back-arc SCs.
- High P-wave attenuation anomalies dip to the deeper west away from the Tonga slab.
- These anomalies result from unusually high temperature and mantle melting.
- Low P-wave attenuation is found beneath the Tonga fore-arc.
- The P-wave attenuation shows a weak frequency dependence (α≈0.3).
Related Topics
Physical Sciences and Engineering Earth and Planetary Sciences Earth and Planetary Sciences (General)
Authors
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