| 1-1 |
Recent Seismic Activity in and around Hokkaido (December, 1980 - May, 1981) (Hokkaido Univ.) PDF[474KB] |
| 1-2 |
The Intermediate-Depth Earthquake (M7.1) on January 23,1981 at the Western Side of the Hidaka District, Hokkaido (Hokkaido Univ.) PDF[430KB] |
| 1-3 |
Crustal Deformation in the Erimo District, Hokkaido (IV) Horizontal Strain Accumulations Obtained by the Geodetic Measurement and the Continuous Observation for the Period from 1971 to 1980. (Hokkaido Univ.) PDF[467KB] |
| 1-4 |
Seismicity near Sapporo City (1973.7 - 1980) (Hokkaido Univ.) PDF[350KB] |
| 1-5 |
The Earthquake near the South Coast of Hokkaido, January 23,1981 (JMA) PDF[432KB] |
| 2-1 |
Microseismic Activity in and near the Tohoku District (November, 1980 -April, 1981) (Tohoku Univ.) PDF[1.5MB] |
| 2-2 |
Microseismic Activity in and around Shimokita Peninsula (Hirosaki Univ., Tohoku Univ.) PDF[346KB] |
| 2-3 |
Observations of Crustal Movements at the Esashi Earth Tide Station (ILO) PDF[548KB] |
| 2-4 |
The Earthquake off Miyagi Prefecture, January 19,1981 (JMA) PDF[286KB] |
| 2-5 |
On Faults System of NNE-SSW Direction and 120 Kilometers Length off Joban District (HD) PDF[833KB] |
| 2-6 |
Vertical Movements between Noshiro and Akita (GSI) PDF[204KB] |
| 2-7 |
Horizontal Strains in the Southern Tohoku and Hokuriku District (GSI) PDF[1.7MB] |
| 3-1 |
Change in Number of Earthquakes and b Values at Tsukuba Station (6) (ERI) PDF[304KB] |
| 3-2 |
Deep Crustal Reflection in the Northern Kanto District (ERI) PDF[529KB] |
| 3-3 |
Microearthquake Activity in and around the Kanto District (November, 1980 -April, 1981) (ERI) PDF[1.3MB] |
| 3-4 |
Seismic Activity in the Shin-etsu District (October, 1980 -March, 1981) (ERI) PDF[522KB] |
| 3-5 |
Seismic Wave Form Data Communications System Linking the Local Networks for Microearthquake Observations (Linking of the ERI-Nagoya Univ. Networks) (ERI) PDF[614KB] |
| 3-6 |
Variations in the Apparent Electrical Resistivity of Mt. Mihara, Oshima Volcano (ERI) PDF[256KB] |
| 3-7 |
Traverse Survey of High Precision in Kanto District (GSI) PDF[203KB] |
| 3-8 |
Vertical Movements in the Kanto District (GSI) PDF[1.2MB] |
| 3-9 |
Survey of Radial Base Lines in the Metropolitan Area (GSI) PDF[278KB] |
| 3-10 |
Results of Precise Distance Measurements in the Southern Part of Boso Peninsula (GSI) PDF[261KB] |
| 3-11 |
Survey Result Across the Fukaya Fault in the Northern Part of Saitama Prefecture (GSI) PDF[240KB] |
| 3-12 |
Crustal Strain Observation at Tateyama Crustal Observatory (4) (GSI) PDF[209KB] |
| 3-13 |
Measurements of Variations in Seismic Wave Velocity by Explosion Seismic Method - Preliminary Report of the Results in 1st-3rd OSHIMA Explosion (II) - (GS) PDF[309KB] |
| 3-14 |
Measurements of Variations in Seismic Wave Velocity by Explosion Seismic Method - Preliminary Report of the Results in 4th MINAMIIZU Explosion (GS) PDF[256KB] |
| 3-15 |
Observation of Crustal Strains by Borehole Strain-meters in Kanto and Tokai Districts (and an Anomalous Variation of Strain at Hadano on May 4,1981, Related to Earthquake Swarm in Sagami Bay) (JMA) PDF[632KB] |
| 3-16 |
Earthquakes of the West of Miyake-jima, January, 1981 (JMA) PDF[153KB] |
| 3-17 |
Recent Seismic Activities in the Kanto-Tokai Area (CDP) PDF[1.4MB] |
| 3-18 |
Recent Continuous Measurements of Ground Tilt in the Kanto-Tokai Area (November, 1980 -April, 1981) (CDP) PDF[606KB] |
| 3-19 |
Seismic Activity which Occurred in the Western Sagami Bay Area in Early May 1981 (CDP) PDF[261KB] |
| 4-1 |
The Structure of the Upper Part of the Crust in the Regions of Sagami Bay, Izu Peninsula and Suruga Bay as Found by the Observation of the Earthquake Swarm East off the Izu Peninsula in 1980 (ERI) PDF[699KB] |
| 4-2 |
Ground Tilts at Manazuru, Kanagawa Prefecture (ERI) PDF[375KB] |
| 4-3 |
Geomagnetic Total Intensity Observations in the Eastern Izu and Boso Peninsula (June, 1980 -April, 1981) (ERI) PDF[562KB] |
| 4-4 |
Seismic Activities in the Izu Peninsula and its Vicinity (November, 1980 - May, 1981) (ERI) PDF[438KB] |
| 4-5 |
Activity of Small Earthquakes in and near the Izu Peninsula (December, 1980 -May, 1981) (JMA) PDF[188KB] |
| 4-6 |
Crustal Movement in the Eastern Part of Izu Peninsula (GSI) PDF[621KB] |
| 4-7 |
Horizontal Deformations in the Eastern Part of Izu Peninsula and the Izu Islands (GSI) PDF[668KB] |
| 4-8 |
Horizontal Strains of Crust in the Northeastern Area of Suruga Bay (GSI) PDF[289KB] |
| 4-9 |
Crustal Movement in the Tokai District (GSI) PDF[1MB] |
| 4-10 |
Activity of Small Earthquakes in the Tokai District (December 1,1980-May 31,1981) (JMA) PDF[314KB] |
| 4-11 |
Distribution of Microearthquakes in Tokai District (November 1,1980 -April 30,1981) (Nagoya Univ.) PDF[208KB] |
| 4-12 |
Continuous Measurements of Radon Concentration at Mikawa Crustal Movement Observatory (Nagoya Univ.) PDF[370KB] |
| 4-13 |
Crustal Movement Observation in the Fuji River and Suruga Bay Area (Part 7) (ERI) PDF[466KB] |
| 4-14 |
Multichannel Seismic Reflection Profiling in the Sagami Trough and the Southern Suruga Trough Area (1) (HD, GS) PDF[1.6MB] |
| 4-15 |
Transition of a Sedimentary Basin in Senoumi Basin Area (HD) PDF[785KB] |
| 4-16 |
Change of Gravity in the Region between Mori and Omaezaki (Kyoto Univ., ERI) PDF[155KB] |
| 4-17 |
Everyday Measurement of Strain Accumulation along the Fujikawa Fault Using an Electronic Distance Meter (1) (ERI, EAC) PDF[620KB] |
| 5-1 |
Vertical Movements in the Noto Peninsula (GSI) PDF[168KB] |
| 5-2 |
Submarine Topography and Geological Structure in the Eastern Part of Wakasa Bay (HD) PDF[597KB] |
| 5-3 |
Tilt Observation by Precise Levelling across Atera Fault (1976 - 1980) (Nagoya Univ.) PDF[361KB] |
| 5-4 |
Crustal Strain and Tilt Observations at Inuyama (Nagoya Univ.) PDF[343KB] |
| 5-5 |
Microearthquake Activities along Yohro Fault and the Long-term Prediction of Large Earthquakes in Western Honshu (Kyoto Univ.) PDF[644KB] |
| 5-6 |
Absolute Measurements of Crustal Stress by a Stress Relief Method (2) the Akenobe Mine, Kinki (3) the Nakatatsu Mine, Chubu (The Research Group for Crustal Stress in Western Japan) PDF[557KB] |
| 5-7 |
A Recurrence Interval of the Yamasaki Fault (Aichi Pref. Univ., Kyoto Univ.) PDF[367KB] |
| 5-8 |
Results of Resurvey in the Gifu Radial Base Lines (GSI) PDF[173KB] |
| 5-9 |
Results of Resurvey in Kyoto Rhombus Base Lines (GSI) PDF[189KB] |
| 5-10 |
Vertical Movements in the Central Part of Kinki District (GSI) PDF[499KB] |
| 5-11 |
Results of Resurvey in the Wakayama Radial Base-Lines (GSI) PDF[209KB] |
| 5-12 |
Microearthquake Activities in and around the Kii Peninsula, Central Japan (1979 - 1980) (ERI) PDF[771KB] |
| 6-1 |
Continuous Observation of Groundwater Temperature at the Misasa Hot Spring, Tottori Prefecture (Kyoto Univ.) PDF[315KB] |
| 6-2 |
Horizontal Strains in the Chugoku District (GSI) PDF[1.7MB] |
| 6-3 |
Survey Result in the Tottori Rhombus Base Lines (GSI) PDF[163KB] |
| 6-4 |
Traverse Survey of High Precision in the Southern Part of Kyushu (GSI) PDF[261KB] |
| 6-5 |
The Earthquake of Hyuganada, December 12,1980 (JMA) PDF[288KB] |
| 6-6 |
Earthquake Swarm in Tokara Islands, Kagoshima Prefecture, March, 1981 (JMA) PDF[277KB] |
| 7-1 |
Precise Observation of Geomagnetic Secular Variation under the Project of Earthquake Prediction Research, 1980 (Geomag. Res. Group) PDF[721KB] |
| 7-2 |
Precise Observation of Geomagnetic Secular Variation under the Project of Earthquake Prediction Research, October - December, 1980 and January - March, 1981 (Geomag. Res. Group) PDF[298KB] |
| 7-3 |
List of Old Documents of Earthquakes Collected Recently (IX) (ERI) PDF[805KB] |