KOSEN 한인과학기술자네트워크

Contents (January-June, 1998) Table 1 Seismographs and their specifications Fig. 1 Frequency response curves of seismographs Table 2 Seismic Array System Fig. 2 Relative frequency response diagrams of the seismographs used in Matsushiro Seismic Array System and the strain seismograph Table 3 Specifications of the strainmeter and the tiltmeter Fig. 3 Geographical map of Matsushiro Seismic Array Stations Fig. 4 Travel-time for various seismic phases observed at Matsushiro Fig. 5 Epicenter distribution of the distant earthquakes determined by Matsushiro Seismic Array System Fig. 6 Epicenter distribution of earthquakes in and aroung Japan determined by Matsushiro Seismic Array System Fig. 7 Epicenter distribution of earthquakes in and around Nagano Prefecture determined by Matsusthiro Seismic Array System Table 4 Daily number of earthquakes near Matsushiro(Matsushiro Earthquake Swarm) Table 5 List of felt earthquakes Table 6 Epicenter correction diagrams Table 7 Data of earthquakes Fig. 8 Variations of ground tilt, atmospheric temperature, air-pressure and daily precipitation Fig. 9 Variations of ground strain and daily precipitation Fig. 10 Results of analysis by BAYTAP-G. Component is strain N-S 100m Fig. 11 Results of analysis by BAYTAP-G.Component is strain E-W 100m Fig. 12 Results of analysis by BAYTAP-G.Component is tilt N-S 100m Fig. 13 Results of analysis by BAYTAP-G.Component is tilt E-W 100m Table 8 Daily mean values of ground tilt Table 9 Daily mean values of ground strain Table 10 Daily mean values of air-pressure Table 11 Daily mean values of atmospheric temperature in the vault