Dual-frequency continuous GPS/GNSS stations: 60 sites in Taiwan (including 4 remote mountain sites in collaboration with Caltech, Fig. 2), 22 sites in Luzon, Philippines (in collaboration with Philippine Institute of Volcanology and Seismology, PHIVOLCS).
Fig.2 Chitsai Lake (CHTS) continuous GPS station in the remote mountain area
Borehole strainmeter: 11 sites in eastern Taiwan (in collaboration with Carnegie Institution of Washington, CIW, Fig.3)