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After the Hanshin-Awaji (Kobe) earthquake in January, 1995,
the Prime Minister's Office dissolved the Headquarters for Earthquake Prediction Promotion and organized a Headquarters for Earthquake Research Promotion,
marking a change in outlook from previous prediction-oriented research policies to a policy stressing the importance of basic research.
The Science and Technology Agency also began promoting the Frontier Research Program for Integrated Earthquake Studies during fiscal 1996.
In March 1997, as part of this program, the Integrated Observation System for Submarine Earthquakes was installed off Muroto peninsula in Kochi prefecture by JAMSTEC.
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The Cable-type Seafloor Observation Station consists of two ocean floor seismographs,
two tsunami meters, and an advanced technology observation station linked by fiber optic cables.
These were installed within 100 km of Muroto peninsula in Kochi prefecture.
The seismographs were set at a depth of 1,286 meters (at the Tenkai seamount) and 2,166 meters (at the Daiichi Minami Muroto seamount).
The tsunami meters were installed at a depth of 1,544 (at the Tenkai seamount) and 2,348 meters.
A high-tech observation station, which consists of a color video camera with rotating head, six submarine lights,
two ground thermometers, current meter, CTD (conductivity (salinity), water temperature, and depth meter),
ADCP (acoustic Doppler current profiler), and hydrophone was installed at a depth of 3,572 meters (at the foot of the eastern slope of the Daiichi Minami Muroto seamount).
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