Abstract
GPS observations have revealed important information for studying active tectonics and plate motion and are a useful tool for monitoring crustal deformation. The CWB continuous GPS array consists of approximately 150 stations with dense spatial coverage throughout Taiwan and can be used not only to monitor crustal deformation and seismic activity, but also to analyze the earthquake precursors in Taiwan.
Highlights
The Central Weather Bureau (CWB) initiated its permanent Global Positioning System (GPS) network in 1993 to investigate the relationships between seismic activity and crustal deformation in Taiwan
Each station can provide precise global coordinates for its antenna position which can be used to monitor the horizontal and vertical crustal movement at the site (Altamimi et al 2002). This approach provides important information about crustal deformation caused by plate motion in the region
In order to analyze earthquake precursors and improve efforts to predict future crustal activity and strong earthquakes, just as in the case of weather forecasting, GPS observations must be mathematically connected with the physical processes of earthquake generation
Summary
The Central Weather Bureau (CWB) initiated its permanent Global Positioning System (GPS) network in 1993 to investigate the relationships between seismic activity and crustal deformation in Taiwan. Each station can provide precise global coordinates for its antenna position which can be used to monitor the horizontal and vertical crustal movement at the site (Altamimi et al 2002). This approach provides important information about crustal deformation caused by plate motion in the region Using these data allows further studies to be carried out on related questions about seismic activity, stress accumulation or release, and mechanisms of earthquake formation (Dixon 1991; Segall and Davis 1997)
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