Physics
Scientific paper
Jan 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993georl..20...97a&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 20, no. 2, p. 97-100.
Physics
33
Earthquakes, Green'S Functions, Rupturing, Seismology, Surface Waves, California, Real Time Operation
Scientific paper
Using empirical Green functions with regional and teleseismic surface waves, it is possible to resolve fault finiteness effects, in many cases uniquely defining the fault plane for relatively large earthquakes. The technique requires very little data processing and can be applied in near-real time with the current distribution of seismic stations. The Landers strike-slip earthquake was dominated by two sub-events with predominantly north-northwestward rupture. The second subevent was 1.5 times larger and rotated in strike by 12 deg counterclockwise relative to the first. The Cape Mendocino thrust even had a relatively smooth rupture that propagated to the southwest on a shallow dipping fault.
Ammon Charles J.
Lay Thorne
Velasco Aaron A.
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