  The electroseismic model describes the coupling phenomenon of the
electromagnetic waves and seismic waves in fluid immersed porous rock. Electric
parameters have better contrast than elastic parameters while seismic waves
provide better resolution because of the short wavelength. The combination of
theses two different waves is prominent in oil exploration. Under some
assumptions on the physical parameters, we derived a H\"older stability
estimate to the inverse problem of recovery of the electric parameters and the
coupling coefficient from the knowledge of the fields in a small open domain
near the boundary. The proof is based on a Carleman estimate of the
electroseismic model.
