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Manabu Hashimoto DPRI, Kyoto Univesity

Geophysical Observation Nerworks and Data Distribution in Japan. Manabu Hashimoto DPRI, Kyoto Univesity. Structure of Japanese Earthquake Studies Too complicated to explain! Coordination and evaluation of seismicity Headquarter for Earthquake Research Promotion (based on a 1995 law)

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Manabu Hashimoto DPRI, Kyoto Univesity

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  1. Geophysical Observation Nerworks and Data Distribution in Japan Manabu Hashimoto DPRI, Kyoto Univesity

  2. Structure of Japanese Earthquake Studies • Too complicated to explain! • Coordination and evaluation of seismicity • Headquarter for Earthquake Research Promotion (based on a 1995 law) • Operation and data analyses • Related agencies • Data dissemination • Depends on data

  3. Related agencies to the operation of networks and data distribution • Geospatial Information Authority (GSI) • National Research Institute for Earth Science and Disaster Prevention (NIED) • Japan Meteorological Agency (JMA) • Japan Coastal Guard (JCG) • National Institute of Advanced Industrial Science and Technology (AIST) • Universities • JMASTEC, JAXA, and Others

  4. GPS (1466) • GSI: GEONET (~1,300) • GSI: ~2yr data (30Hz) • 3rd party: 1Hz data, old data (30Hz) • JCG, AIST, Univ. • Contact directly

  5. Strainmeters(209) • JMA: strainmeters in Tokai • ??? • NIED: strainmeters in Tokai and Kanto. Tiltmeters at Hi-net sites • Special contract • AIST, Universities, others

  6. Tide Gauge(207) • GSI, JCG, JMA • Monthly data:Disseminated by GSI • Daily data: Contact to each agency • PARI

  7. Ocean Bottom Geodesy (16) • JCG • Tohoku and Nagoya Universities

  8. Seismic Data(1266) • NIED: Hi-net • JMA, Univ. • All data are gathered and archived in NIED. • Official hypocenters are determined by JMA.

  9. Strong Motion(4526) • NIED: K-net, Kik-net • JMA • Others On the surface K-net & others Underground Kik-net

  10. Future ???

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