Mathematics – Logic
Scientific paper
Jul 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984georl..11..629r&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 11, July 1984, p. 629-632. Research supported by the Shell Companies Foundat
Mathematics
Logic
19
Crustal Fractures, Earthquake Damage, P Waves, Seismographs, Tomography, Convolution Integrals, Geological Faults, Moment Distribution, Seismic Energy, Spatial Distribution
Scientific paper
The rupture process of an earthquake is the temporal and spatial dependence of seismic moment accumulation. It is difficult to quantitatively 'map' the spatial variation in moment release. Teleseismic P-wave observations must be used for most earthquakes. The temporal history of moment release (source function) can be deconvolved from each individual P-wave seismogram. The present investigation is concerned with a method which quantitatively maps the source functions into an image of moment release in space and time. Attention is given to P-waves, the inverse Radon transform, and an application of the method involving the 1976 Mindanao earthquake. A description is given of two important developments which make it possible to use tomographic imaging to map the moment release in space and time in connection with a study of the earthquake rupture process.
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