A comparison of the orientation of joints with the focal mechanisms of earthquakes in the Alpine region

A. E. SCHEIDEGGER

Abstract


ABSTRACT - It is well known that the principal tectonic stress directions in
an area can be determined from earthquake fault plane solutions. Recently, a
method has been developed by which these directions can also be determined
from measurements of the orientation of joints in an area. In the present paper,
a comparison is attempted between the directions calculated by the two methods
for the Alpine region. It is shown that in Switzerland the agreement between
the two methods is good.

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DOI: https://doi.org/10.4401/ag-4822

Published by INGV, Istituto Nazionale di Geofisica e Vulcanologia - ISSN: 2037-416X