Using spectra of typical background magnetic and electric field variations from central California, and 2-d calculations for various 2-d fault zone models, we estimate the amplitude of anomalous magnetic fields which would result from small ongoing fluctuations in resistivity.
(anomalous magnetic fields; would result; from small ongoing fluctuations in resistivity) (we; estimate; the amplitude of anomalous magnetic fields)
anomalous magnetic fields we
would result estimate
from small ongoing fluctuations in resistivity
the amplitude of anomalous magnetic fields