California Institute of Technology
Seismological Laboratory Division of Geological and Planetary Sciences

People

Donald V. Helmberger

Donald V. Helmberger

Professor, Seismological Laboratory

Professor of Geophysics
Earth structure, wave propagation
Ph.D., 1967, Univ. of California, San Diego, USA

California Institute of Technology
Seismological Laboratory
1200 E. California Blvd., MS 252-21
So. Mudd Building, Rm 363
Pasadena, CA 91125

Phone: (626) 395-6998
Fax: (626) 564-0715
Email: helm@gps.caltech.edu
Website:http://gps.caltech.edu/content/donald-v-helmberger

Research

Seismic wave propagation and fine structures of the upper earth, as determined by P and S wave inversion; particularly interested in mapping ultra-low-velocity zones of the core-mantle boundary.

Past

Director, Seismological Laboratory, 1998-2003