usgs open-file report 2010-1152, scholl · nazoa 3t plato m m.'yr mooha valdivia chile 700w...

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10

Greater Sumatra

South Central Chile

Franke et al., 2008FRANKE ET AL., 2008

Lateral rupturing

starts and ends at

subducted ridges

9.2

8.7

2010,

Feb 27

Mw 8.8

Scholl et al. (1970)

JapanThe earthquake role of sediment

in the subduction channel

The Evolution of the Rock Fabric of a Convergent Marginis Not Obviously

Linked to the Habitats of Great and Giant Megathrust Earthquakes.

But the Structure of the Submerged Forearc

(i.e., Forearc Basins and Splay Fault Systems)

Is.

A Subduction Channel Thickly Charged (> 1-1.5 km) with Subducted

Sediment is Strongly Associated with Sectors of Subduction Zones that

Repeatedly Rupture in Great and Giant Megathrust Earthquakes

Nias, Sumatra

Concepcion, Chile