학술논문

Accurate hypocentre locations in the Middle-Durance Fault Zone, South-Eastern France
Document Type
research-article
Source
Open Geosciences. 1(4):416-423
Subject
earthquake location
minimum 1-D model
Middle Durance Fault Zone (MDFZ)
France
Language
English
ISSN
2391-5447
Abstract
A one-dimensional velocity model and station corrections for the Middle-Durance fault zone (south-eastern France) were computed by inverting P-wave arrival times recorded on a local seismic network of 8 stations. A total of 93 local events with a minimum of 6 P-phases, RMS 0.4 s and a maximum gap of 220° were selected. Comparison with previous earthquake locations shows an improvement for the relocated earthquakes. Tests were carried out to verify the robustness of inversion results in order to corroborate the conclusions drawn from our findings. The obtained minimum 1-D velocity model can be used to improve routine earthquake locations and represents a further step toward more detailed seismotectonic studies in this area of south-eastern France.