Report of CCEP

Report Vol.27

1-1 Recent Seismic Activity in and around Hokkaido (May, 1981-November, 1981) (Hokkaido Univ.) PDF[406KB]
1-2 Two Shallow Earthquakes on April, 1981 in the Central Part of Hokkaido (Hokkaido Univ.) PDF[541KB]
1-3 The Earthquake (M6.5) on September 3,1981 off Shikotan Island in Southern Kurile (Hokkaido Univ.) PDF[366KB]
1-4 The Earthquake off the Southeast Coast of Nemuro Peninsula, September 3,1981 (JMA) PDF[364KB]
1-5 The Earthquake of the North of the Lake Shikotsu, October 18,1981 (Hokkaido Univ.) PDF[472KB]
1-6 Vertical Movements in the Hidaka Area of Hokkaido District (GSI) PDF[277KB]
1-7 Results of Resurvey at Akkeshi Rhombus Base Lines in the Southeast Part of Hokkaido District (GSI) PDF[343KB]
2-1 Microearthquake Activity in and around the Tohoku District (May-October, 1981) (Tohoku Univ.) PDF[990KB]
2-2 Vertical Movements in the Northern Part of Tohoku District (GSI) PDF[1.5MB]
2-3 Observations of Crustal Movements at the Esashi Earth Tides Station (ILO) PDF[315KB]
2-4 Radon Observations in the Eastern Part of Fukushima Prefecture (Tokyo Univ.) PDF[255KB]
3-1 Microearthquake Activity in and around the Kanto District (May, 1981-October, 1981) (ERI) PDF[1.2MB]
3-2 Seismicity Maps of the Kanto District, 1971-80 (ERI) PDF[1.2MB]
3-3 Recent Seismic Activities in the Kanto-Tokai Area (April-October, 1981) (CDP) PDF[1.4MB]
3-4 Microearthquake Seismicity in the Western Part of Kanagawa Prefecture (Tohoku Univ.) PDF[354KB]
3-5 The Earthquake off Ibaraki Prefecture, September 2,1981 (JMA) PDF[324KB]
3-6 Seismic Activity in the Shin-etsu District (April-September, 1981) (ERI) PDF[675KB]
3-7 Automatic Data Processings of Microearthquake Signals (ERI) PDF[1.1MB]
3-8 Crustal Movement in the Southern Part of Boso Peninsula (GSI) PDF[558KB]
3-9 Survey Result of Precise Leveling in the Metropolitan Area (GSI) PDF[316KB]
3-10 Observation of Crustal Strains by Borehole Strainmeters in the Kanto and Tokai Districts (JMA) PDF[614KB]
3-11 Recent Continuous Measurements of Ground Tilt in the Kanto-Tokai Area (May-October, 1981) (CDP) PDF[705KB]
3-12 Continuous Measurements of Radon Concentration in Groundwater at the Fuchu Crustal Activity Observatory Site, Tokyo (CDP) PDF[274KB]
3-13 Stress Change Monitoring by a Borehole Inclusion Stressmeter in the Tanzawa Mountains (GS) PDF[454KB]
3-14 Submarine Topography and Geological Structure at the Offing of Sunosaki (HD) PDF[548KB]
4-1 Seismic Activities in the Izu Peninsula and its Vicinity (June-October, 1981) (ERI) PDF[433KB]
4-2 Space-time Distribution of Recent Earthquakes in Izu Peninsula and its Adjacent Region (ERI) PDF[522KB]
4-3 Crustal Movement in the Izu Peninsula (GSI) PDF[1.6MB]
4-4 In Situ Stress Measurements by a Stress Relief Method at Shimoda City, Izu Peninsula (GS) PDF[325KB]
4-5 Some Precursors Accompanied by the Earthquake off the East Coast of Izu, June 29,1980, Observed at the Matsuzaki High School, Shizuoka Prefecture (Kyoto Univ.) PDF[269KB]
4-6 Radon Observation in the Izu Peninsula (Tokyo Univ.) PDF[294KB]
4-7 Secular Variations of Heat Output of Hot Springs at Atami, Izu Peninsula (ERI) PDF[412KB]
4-8 Anomalous Change in the Geomagnetic Total Intensity in the North-Eastern Part of Izu Peninsula (July-October, 1981) (ERI) PDF[353KB]
4-9 Geomagnetic Observation at Matsuzaki and Omaezaki (JMA) PDF[199KB]
4-10 Epicentral Distribution of the Earthquakes (May, 1981) and Bottom Topography at the Offing of Cape Manazuru (HD) PDF[283KB]
4-11 Distribution of Microearthquakes in Tokai District (May 1,1981-October 31,1981) (Nagoya Univ.) PDF[304KB]
4-12 Activity of Small Earthquakes in the Tokai District (June-November, 1981) (JMA) PDF[515KB]
4-13 Electro-Optical Distance Measurements in the Tokai Region (1977-1981) (Nagoya Univ.) PDF[325KB]
4-14 Everyday Measurement of Strain Accumulation along the Fujikawa Fault Using an Electronic Distance Meter (2) (ERI, EAC) PDF[468KB]
4-15 Crustal Movement in the Tokai District (GSI) PDF[1.1MB]
4-16 Observation of Crustal Vertical Movements by Use of Bottom Pressure Sensor off the Coast of the Tokai District (JMA) PDF[314KB]
4-17 Crustal Movement Observation in the Fuji River and Suruga Bay Area (Part-8) (ERI) PDF[388KB]
4-18 Free-air Gravity Anomaly at the Offing of Tokai District (HD) PDF[236KB]
4-19 Radon Observation in the Tokai District (Tokyo Univ.) PDF[579KB]
4-20 Multichannel Seismic Reflection Profiling in the Sagami Trough and the Southern Suruga Trough Area (2) (HD, GS) PDF[268KB]
4-21 Tectonic Relief on the Senoumi-Kita Tai , West of the Suruga Trough (HD) PDF[239KB]
4-22 Variations in the Geomagnetic Total Intensity in the Omaezaki Area (ERI) PDF[335KB]
5-1 Seismic Activity in the Northwestern Chubu Region (Northern Hida and its Surrounding Areas) (5) July, 1980-September, 1981 (Kyoto Univ.) PDF[280KB]
5-2 Seismicity in the Eastern Chugoku, Northern Kinki and Hokuriku Districts, Southwest Japan (January, 1980-June, 1981) (Kyoto Univ.) PDF[593KB]
5-3 Microearthquake Activities in the Western Part of Kii Peninsula (January-September, 1981) (ERI) PDF[1.1MB]
5-4 Change of Ground Water Level before and after a Small Earthquake at the Lake Biwa (Kyoto Univ.) PDF[252KB]
5-5 Vertical Movements in the Noto Peninsula (GSI) PDF[177KB]
5-6 Survey Result of Nagano Rhombus Base Lines (GSI) PDF[240KB]
5-7 Horizontal Strains in the Biwako District (GSI) PDF[394KB]
5-8 Secular Ground Deformations Observed at Kamitakara and Results from Electro-optical Surveys on the Atotsugawa Fault (2) (Kyoto Univ.) PDF[654KB]
5-9 Absolute Measurements of Crustal Stress by a Stress Relief Method (4) The Kamioka Mine, Chubu (The Research Group for Crustal Stress in Western Japan) PDF[418KB]
5-10 Gravity Changes Observed near Lake Biwa (Kyoto Univ.) PDF[308KB]
5-11 Gravity Changes Observed in Kii Peninsula during the Period of 1972-1981 (Kyoto Univ.) PDF[237KB]
6-1 Changes in Chloride Concentration of Self-spouting Hot Springs Accompanied by Earthquake off Hamada, June 25,1981 (Kyoto Univ , Tottori Univ.) PDF[358KB]
6-2 Vertical Movements in the Central Part of Chugoku District (GSI) PDF[288KB]
6-3 Survey Results of Izumo Radial Base Lines in the Chugoku District (GSI) PDF[192KB]
6-4 Survey Results of Yawatahama Rhombus Base Lines in the Western Part of Shikoku District (GSI) PDF[205KB]
6-5 Vertical Movements in the Central Part of Kyushu (GSI) PDF[692KB]
7-1 Annual Mean Frequency of Felt Earthquakes in Japan (1951-1980) (JMA) PDF[167KB]
7-2 Precise Observation of Geomagnetic Secular Variation under the Project of Earthquake Prediction Research, April-September, 1981 (Geomag. Res. Group) PDF[307KB]
7-3 Precise Observation of Geomagnetic Secular Variation under the Project of Earthquake Prediction Research, January, 1977-September, 1981 (Geomag. Res. Group) PDF[177KB]
7-4 List of Old Documents of Earthquakes Collected Recently (X) (ERI) PDF[1.7MB]