phase~LAB

volcanoes, earthquakes
and the hydrosphere through geodesy



Ronni Grapenthin (he/him/his)
Professor of Geodesy, P.I.

M.Sc. Computer Science, Humboldt-Universität Berlin
Ph.D. University of Alaska Fairbanks
Revathy Parameswaran
Research Assistant Professor, P.I.

B.Sc. Physics, University of Calicut, India
M.Sc. Physics, Cochin University of Science and Technology, India
Ph.D. Indian Institute of Science, Bangalore, India

Yitian Cheng
Graduate Student, Ph.D. Candidate

B.Sc. Geophysics, University of Science and Technology of China, China

Yitian uses geodetic data to characterize and interpret volcano deformation in the Aleutians.

Mariah Graham
Graduate Student

B.Sc. Geology, Humboldt State University

Mariah is interested in characterizing volcanic source processes through geodetic data and modeling.

Alumni (last known location)

| Last modified: January 30 2026 20:27.