Author:
Yamate Tsutomu,Ikeda Toshiharu,Asai Yasuhiro,Hirayama Yoshiharu,Yoshida Minoru,Fujiwara Hiroyuki
Abstract
A new seismic observation system with three-component optical accelerometer and optical fiber Distributed Acoustic Sensor (DAS) was developed. The system operates more than one year at 105 deg.C and measured distant earthquakes.