I went to New Mexico Tech and they have a good geophysics program. I suspect that they'd take a physics student particularly in the study of seismology (which is about longitudinal and transverse elastic waves in rock that the geologists call P and S waves), but they're probably going to make you take some geology classes.http://www.ees.nmt.edu/Geop/
Go ahead and give them a call. It's a small school and I'm sure you'll find a professor who will talk to you. In fact, call up their seismology professor, Richard Asterhttp://www.ees.nmt.edu/aster/
and tell him that Carl Brannen NMT '76 BS math, '79 MS math, suggested that you ask him. Dr. Aster's undergraduate degrees are in physics and electrical engineering, then MS and PhD in geophysics and earth sciences.
I should mention that the mountains near Socorro, where you'd be doing the labs for those geology classes, are colder than a witch's nipple in winter. But the summers and early fall are the most pleasant climate on the planet.
P.S. Still no acceptances. If someone knows of a department who needs a hot shot electronics engineer / grad student, PGRE = 990, please send them my way. I'm easy to find on the web. Works cheap. House trained. Doesn't shed much. Theory or experiment.