Bulletin of the Geographical Survey Institute, Volumes 20-23

accuracy Atami bench marks calibration constant Chiba co-seismic color computation constant value crustal deformation crustal movement deviation distribution district drift earthquake swarm fault model fundamental stations GEODETIC OBSERVATORY 9-10 Geographical Names Geographical Survey Institute geomagnetic gravity change gravity difference gravity stations gravity survey gravity values gravitymeter Hokkaido Honshu HORIZONTAL COMPONENT 30000 HOURLY MEANS Izu Peninsula Japan Meteorological Agency Japanese Kakioka Kanoya KANOZAN GEODETIC OBSERVATORY Kanto Earthquake Kushiro Kyoto Kyushu landslide Latitude leveling located magnetic magnetosphere Matsushiro mean square error MEAN TIME VALUE MEANS OF DECLINATION MEANS OF HORIZONTAL MEANS OF VERTICAL meters milligal Ministry Mizusawa Niigata observation error obtained order stations pendulum results phase reference station region round trips route S.D P.E Sapporo second order network seismic crustal movement Shikoku shown in Fig subsidence Table Tohoku Tokyo topographic maps U.T. DATE upheaval VALUE TIME VALUE vertical crustal movement ΜΕΑΝ ΜΣΑΝ