Institute of Earth Sciences Jaume Almera

Antonio Villaseñor
Researcher
Department of Structure and Dynamics of the Earth
Institute of Earth Sciences “Jaume Almera”
CSIC

Phone: +34-93-409-5410
 Fax: +34-93-411-0012

E-mail: antonio@ictja.csic.es
Website: www.ictja.csic.es/gt/antonio

 

Contact info and directions to my office
Research Interests
My research interests are the study of the three-dimensional elastic wave speed structure of the Earth using seismic tomography, and the re-evaluation of historical instrumental seismicity.

Seismic Tomography. Arrival times from earthquakes and explosions, group and phase velocity measurements of surface waves, and waveforms are used to image the internal structure of the Earth. Different methods are used as a function of the region (local, regional or global), data type (arrival time or waveforms), and type of wave (body waves or surface waves):

  • Local earthquake travel time tomography.
  • Global travel time tomography.
  • Surface wave tomography.
Historical seismicity. I am working in collaboration with Bob Engdahl in the relocation of global historical instrumental seismicity (1918-1963). We currently use arrival times catalogued in the bulletins of the International Seismological Summary (ISS).
Recent projects

Use of global three-dimensional reference models of the crust and mantle for non-linear travel time tomography and earthquake location. Supported by ISES (Netherlands Research Centre for Integrated Solid Earth Science).

Relocation of global historical seismicity. Supported by NSF (U.S. National Science Foundation).

Use of three-dimensional velocity models to improve regional earthquake locations in western China, Central Asia, and parts of the Middle East. Funded by DTRA (Defense Threat Reduction Agency), U.S. Department of Defense.