1. Regional Study on the Characteristic Seismicity of the World : Part 3. New Hebrides Islands Region
1-18
2. Construction of Amplitude Curves and Determination of Station Corrections for a Seismic Network Located in the Epicentral Area : Based on the data of Wakayama Micro-earthquake Observatory and its Sub-stations
19-28
3. Faulting Associated with the Matswshiro Swarm Earthquakes
29-51
4.栃木県・古峰ケ原における極微小地震観測 : 1969年8月13日の地震の余震観測
53-63
5.上高地付近に発生した地震群について
65-71
6. 1923年関東地震津波の数値実験
73-86
