AbstractAt Osakayama, the observations of changes in strains and tiltings of the groundhave been constantly performed with extensometers and tiltmeters since the ob-servatory was established in 1947. From the observation, the secular changes inthe strains and the tiltings are analyzed and the long period's defiections from thesecular changes are calculated analytically. According to the results, it seems thatthe anomalous changes in the crustal deformation in the period from 1952 to 1956,have had something to do with earthquakes.
TypeDepartmental Bulletin Paper
京都大学防災研究所年報 = Disaster Prevention Research Institute Annuals