2012 IRIS Workshop

Scanning for Velocity Anomalies in the Crust and Mantle with Diffractions from the Core-mantle Boundary

Elmer Ruigrok: Delft University of Technology, Dylan Mikesell: Boise State University, Kasper van Wijk: Boise State University

(a) The location of USArray stations used in this study projected onto a topographic map of part of the USA. (b) Illumination map -- the colored lines denote the back-azimuth to the earthquakes, and these correspond to the colors of the circles in the inset. (c) Pdiff travel-time anomaly map, combined with the primarily Holocene volcanism (red triangles, source: http://www.volcano.si.edu/)

Full-resolution graphics file in original format: 0052.png

Acknoweldgements: This work is supported by The Netherlands Organization for Scientific Research (NWO), and NSF award EAR-1142154. We are much indebted to IRIS for freely providing the data used in this work. We thank Kees Wapenaar, Vera Schulte-Pelkum, Josh Stachnik, Raul Valenzuela for their feedback.

Keywords: pdiff, correlation, velocity_anomalies

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