21. Lateral Variation of Rayleigh Wave Dispersion Character : Part 5 North American Continent and Arctic Ocean
431-456
22. Earthquake Magnitude Determination in relation to Regional Variations of P wave Amplitudes Part 1
457-484
23. Summary of the Seismographic Observation of Matsushiro Swarm Earthquakes
485-515
24. Experimental Study on Generation and Propagation of S-Waves : 6 S-Wave Prospecting by Means of Well Shooting
517-528
25. Crusted Structure in the Profile across the Northeastern Part of Honshu, Japan, as Derived from Explosion Seismic Observations : Part 1. Observations of Seismic Waves Generated from the Off Kesennuma, the Off Oga Peninsula and the Tutihata Explosions
529-605
26. Crusted Structure in the Profile across the Northeastern Part of Honshu, Japan, as Derived from Explosion Seismic Observations : Part 2. Crustal Structure
607-630
27. A Long Wave in the Vicinity of an Estuary [4]
631-650
28. Electro-Optical Measurement of Horizontal Strains Accumulating in the Swarm Earthquake Area (4)
651-661
29. Expectancy of the Maximum Velocity Amplitude of Earthquake Motions at Bed Rock
663-666
30. Some Features of Strong Underground Earthquake Motions Computed from Observed Surface Records
667-686
31. Evaluation of Seismic Safety during Blasting Operations in Mines
687-696
32.地震回数計 : その試作と観測結果
697-705
33.陸棚を伝わる長周期波の模型実験
707-739
34.光波測量による地殻変動の観測 : 第2報 関東・中部地方における基線網の増設と観測結果(昭和41・42年度)
741-758
35.東京都内各所におけるS彼の測定結果(第2報)
759-772
36.コンプレッサーによる地盤振動の測定結果(第1報)
773-781
37.異状震害と常時微動・小引 : 島根県大社町の場合
783-790