16. Some Features of Recent Seismic Activity in and near Japan (2) : Activity before and after Great Earthquakes
395-417
17. Monthly Distribution of Large Earthquakes in Japan
419-427
18. Relationship between the Occurrence of Great Earthquakes and Tectonic Structures
429-451
19. The Seismological Observation and the Earthquake Detection Capability of Syowa Station, Antarctica
453-466
20. On the Anomaly of Travel Time of P waves Observed at Japanese Stations Part(1)
467-486
21. A Long Wave in the Vicinity of an Estuary [6]
487-521
22. Study on Distant Tsunami along the Coast of Japan : Part 3, Tsunamis of Philippines and Indonesia Origin
523-537
23. The Anomalous Behaviour of Geomagnetic Variations of Short Period in Japan and Its Relation to the Subterranean Structure : The 12th report. Effect of the sea surrounding the Japan Islands and a possible model of subcrustal structure
539-547
24. On the Radiative Heat Transfer and the Thermal Conductivity in the Upper Mantle
549-569
25. 3点観測から決めた地震波のみかけ速度と到来方向の誤差
571-598