Phase Angle of Waves Propagating on a Spherical Surface with Special Reference to the Polar Phase Shift and the Initial Phase

459-466

On the Force Equivalents of Dynamical Elastic Dislocations with Reference to the Earthquake Mechanism

467-486

Studies on the Variations of the Earth's Magnetic Field during Pliocene Time

487-534

The Leading Wave of a Tsunami

535-571

The Effects of a Bottle-neck on Tsunami

573-580

Tsunami in an L-shaped Canal [I]

581-587

Diffraction of Tsunami Invading a Semi-circular Peninsula

589-594

The Fracture of a Semi-infinite Body Caused by an Inner Stress Origin and Its Relation to the Earthquake Phenomena (Second Paper) : The Case of the Materials Having Some Heterogeneous Structures

595-614

Some Discussions on Aftershocks, Foreshocks and Earthquake Swarms : the Fracture of a Semi-infinite Body Caused by an Inner Stress Origin and Its Relation to the Earthquake Phenomena (Third Paper)

615-658

Foreshocks, Aftershocks and an Earthquake Swarm Detected by the Micro-earthquake Observation

659-680

The Roughness Coefficient in a Town Area Observed in the Case of the Kanto Flood of Sept. 1947

681-686