Figure F87. Location map of seismic station coverage in the Philippine Sea. Yellow circles = nearby land seismic stations, orange circles = current and proposed seafloor borehole observatories. INU = Inuyama, Japan; TJN = Taejon, Korea; ISG = Ishigakijima, Japan; BAG = Baguio, Philippines; DAV= Davao City, Philippines; JAY= Jayapura, Indonesia, GUMO = Guam, USA, MCSJ = Minami Torishima, Japan; OGS = Chichijima, Japan.