36. Theoretical Seismograms and Earthquake Mechanism : Part 3. Azimuthal Variation of the Initial Phase of Surface Waves
669-689
37. Dispersion of Surface Waves in High-Velocity Layer Models
691-706
38. Focal Process of a Deep Focus Earthquake as Deduced from Long Period P and S Waves
707-727
39. P-Wave Travel Time Anomaly in Asia and the Southwestern Pacific
729-748
40. Development of the Frequency Distribution of Earthquakes with Respect to the Magnitude in the Aftershocks of the 1968 Tokachi-Oki Earthquake
749-758
41. Development of the Aftershock Area and the Block Structure of the Focal Region of the 1968 Tokachi-Oki Earthquake
759-768
42. Ocean-bottom Seismographic Observation at the offside of Japan Trench near the Erimo Seamount-Seismic Activity of the Oceanic Lithosphere and Velocity Structure around the Geophysical ""Ocean-Continent Boundary""
769-792
43. Ocean-bottom Seismographic Observation off Sanriku-Aftershock Activity of the 1968 Tokachi-Oki Earthquake and Its Relation to the Ocean-Continent Boundary Fault
793-809
44. Anomalous Underground Structure in the Matsushiro Earthquake Swarm Area as Derived from α Fan Shooting Technique
811-833
45. Tsunami Source, Energy and the Directivity of Wave Radiation
835-869
46. A Long Wave in a Rectangular Bay [1] : Case of Normal Incidence
871-891
47. Local Difference in Variations of the Geomagnetic Total Intensity in Japan
893-922
48.河角の規模と気象庁の規模との関係
923-933
49. 1968年6月のGalapagos諸島の群発地震について
935-953
50.海底地震計用耐圧容器
955-966
51.海底地震計用長期間磁気テープレコーダの試作および海底地震記録の特徴
967-981
52.宮城江の島において観測される長周期海面動揺
983-997
53.光波測量による地殻変動の観測 : 第4報 既設基線網の再測(昭和44年度)
999-1008