Buoyant Asthenosphere Beneath Cascadia Influences Megathrust Segmentation by Miles Bodmer and others (2018, 10.1029/2018GL078700)

Geophysical Research Letters 45, 6954–6962. Onshore–offshore seismic tomography constrains along-strike mantle structure; sections 3–4 distinguish observations from the proposed subslab mantle buoyancy mechanism.