What 2-D multichannel seismic and multibeam bathymetric data tell us about the North Sumatra wedge structure and coseismic response

Recent large earthquakes have prompted studies to reevaluate seismicity and rupture propagation behavior along the world's major subduction margins. Our study area covers the entire fore arc from northwest of northern Sumatra to west of Simeulue Island, the southern portion of the 2004 tsunamig...

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Bibliographic Details
Published in:Tectonics (Washington, D.C.) D.C.), 2015-09, Vol.34 (9), p.1910-1926
Main Authors: Frederik, M. C. G., Gulick, S. P. S., Austin Jr, J. A., Bangs, N. L. B., Udrekh
Format: Article
Language:English
Subjects:
backstop
Bathymetry
Earthquakes
landward vergence
Plate tectonics
Seismic activity
seismic reflection
Seismology
subduction zone
Sumatra
Tsunamis
Water depth
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Summary:Recent large earthquakes have prompted studies to reevaluate seismicity and rupture propagation behavior along the world's major subduction margins. Our study area covers the entire fore arc from northwest of northern Sumatra to west of Simeulue Island, the southern portion of the 2004 tsunamigenic earthquake rupture zone. The accretionary prism width is up to ~180 km, water depths between ~4.5 km near the Sunda Trench and
ISSN:0278-7407
1944-9194
DOI:10.1002/2014TC003614