Application of synthetic seismograms to the study of low-magnitude earthquakes and crustal structure in the northern Red Sea region

Abstract

abstract Previous theoretical results are used to produce synthesized seismograms for realistic crustal models and earthquake dislocation sources. Short-period vertical displacement seismograms at Δ = 240 km are calculated. They show strong resemblance to observed recordings, at least for the first 55 sec after the P n arrival. These results are then used for the study of low-magnitude earthquakes from a known source and the tectonics of the source region south of the Sinai peninsula. The source-mechanism found by Ben-Menahem and Aboodi (1969) and the crustal structures given by Niazi (1968) and Drake and Girdler (1964) are consistent with the time series of many short-period seismograms recorded at Eilat since 1969.