Overview of Strong Motion Networks K-NET and KiK-net in Japan
The Strong Motion Networks K-NET and KiK-net in Japan, managed by the National Research Institute for Earth Science and Disaster Prevention, provide crucial data on ground motion during earthquakes. K-NET consists of surface stations in populated areas, while KiK-net comprises pairs of surface and borehole seismographs. The unified website offers real-time data, soil condition information, and downloadable earthquake data.
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Strong Motion Networks, K-NET and KiK-net in Japan Wataru Suzuki , Takashi Kunugi, Shin Aoi (National Research Institute for Earth Science and Disaster Prevention, Japan) COSMOS Strong Motion Forum at the 15WCEE, 25 September, 2012
K-NET and KiK-net observation stations K-NET (surface stations, mostly located in peopled areas) KiK-net (pairs of surface and borehole seismographs) Borehole unit Observation facility Surface seismograph 1
Unified Website of K-NET and KiK-net Respective Websites of K-NET and KiK-net closed, and a unified site opened on April 6, 2012. Unified Website provides Strong motion data (waveform and PGA list) of the earthquake during which the JMA seismic intensity of 2 or larger is registered Soil condition data down to 20 m depth for K-NET stations, and those to the depth of the borehole seismograph for KiK-net stations Realtime ground-motion monitor (Kyoshin monitor) 2
Data Download Select earthquake from monthly catalogue Search for earthquake by hypocenter location, magnitude, etc Search for strong motion data by PGA, site location, epicentral distance, etc FTP site Direct HTTP link (for COSMOS virtual data center) 3
Data Download Select earthquake from monthly catalogue Search for earthquake by hypocenter location, magnitude, etc Search for strong motion data by PGA, site location, epicentral distance, etc FTP site Direct HTTP link (for COSMOS virtual data center) 4
Data Download Select earthquake from monthly catalogue Search for earthquake by hypocenter location, magnitude, etc Search for strong motion data by PGA, site location, epicentral distance, etc FTP site Direct HTTP link (for COSMOS virtual data center) 5
Data Download Select earthquake from monthly catalogue Search for earthquake by hypocenter location, magnitude, etc Search for strong motion data by PGA, site location, epicentral distance, etc FTP site Direct HTTP link (for COSMOS virtual data center) 6
