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Generation of talc in the mantle wedge and its role in subduction dynamics in central Mexico
Subduction talc serpentine receiver function mantle wedge P-to-S velocity ratio
2014/4/10
Geophysical evidence shows the presence of low-seismic velocity material at the surface of slabs in subduction zones. In the central Mexican subduction zone this appears as a thin (～4 km) low-velocity...
Seismic structure in central Mexico: Implications for fragmentation of the subducted Cocos plate
Seismic structure in central Mexico The subducted Cocos plate
2014/4/10
The fine-scale seismic structure of the central Mexico subduction zone is studied using moderate-sized (M4-6) intraslab earthquakes. Regional waveforms from the Mapping the Rivera Subduction Zone (MAR...
Geometry and seismic properties of the subducting Cocos plate in central Mexico
Geometry seismic properties subduction Cocos plate central Mexico
2014/4/10
The geometry and properties of the interface of the Cocos plate beneath central Mexico are determined from the receiver functions (RFs) utilizing data from the Meso America Subduction Experiment (MASE...
Swave velocity structure below central Mexico using high‐resolution surface wave tomography
S Wave velocity structure central Mexico high‐resolutionp surface wave tomography
2014/4/10
Shear wave velocity of the crust below central Mexico is estimated using surface wave dispersion measurements from regional earthquakes recorded on a dense, 500 km long linear seismic network. Vertica...
Seismic attenuation structure in central Mexico: Image of a focused high-attenuation zone in the mantle wedge
Seismic attenuation structure central Mexico Image of a focused high-attenuation zone the mantle wedge
2014/4/10
Velocity spectra from moderate-sized earthquakes were used to investigate the P wave attenuation structure in central Mexico. In particular, we included regional events with magnitudes in the range of...
Horizontal subduction and truncation of the Cocos Plate beneath central Mexico
Horizontal subduction truncation the Cocos Plate beneath central Mexico
2014/4/10
Based on analysis of data from a trans-Mexico temporary broadband seismic network centered on Mexico City, we report that the subducting Cocos Plate beneath central Mexico is horizontal, and tectonica...