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Fault and crustal movements in Indonesia

Research Project

Project/Area Number 05044053
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionJoint Research
Research InstitutionKyoto University

Principal Investigator

TANAKA Torao  Disaster Prevention Research Institute, Kyoto University Professor, 防災研究所, 教授 (40027222)

Co-Investigator(Kenkyū-buntansha) SUPARKA S.  Research and Development Center for Geotechnology, LIPI Director, 地質工学研究開発センター, 所長
KAHAR Joenil  Department of Geodetic Engineering, Institute of Technology Bandung, Professor, 測地工学教室, 教授
MURATA Ichiro  Earthquake Research Institute, University of Tokyo Professor, 地震研究所, 教授 (05403001)
NISHIMURA Susumu  Faculty of Science, Kyoto University Professor, 理学部, 教授 (40026802)
NAKAMURA Kajuro  Disaster Prevention Research Institute, Kyoto University Research Associate, 防災研究所, 助手 (20135510)
HIRAHARA Kazuro  Disaster Prevention Research Institute, Kyoto University Associate Professor, 防災研究所, 助教授 (40165197)
ANDO Masataka  Disaster Prevention Research Institute, Kyoto University Professor, 防災研究所, 教授 (80027292)
Project Period (FY) 1993 – 1994
Project Status Completed (Fiscal Year 1994)
Budget Amount *help
¥4,000,000 (Direct Cost: ¥4,000,000)
Fiscal Year 1994: ¥2,000,000 (Direct Cost: ¥2,000,000)
Fiscal Year 1993: ¥2,000,000 (Direct Cost: ¥2,000,000)
KeywordsCrustal Movement / GPS / Propagation Delay / Active Fault / Geothermal Area / Gravity Measurement / International Gravimetric Connection / Volcanism
Research Abstract

GPS measurements have been carried out at Bojonglopang, Sagaranten, Pelabuhanratu, Ciawi, Kiaradua (Lipi) , Cisaat and Lembang in west Jawa in August and September, and at Tugu, Leles, Ciawi, Ciatr, Cibodas and Nagreg in October and November with reference to GPS stations at the National Coordination for Surveys and Mapping (BAKOSURTANAL) and Institute Teknologi Bandung (ITB) . The results show that the points north of Cimanidri fault are displaced to east with a rate of about 20mm/y and the points south of the fault move to north with a rate of 10mm-20mm/y. This pattern agress well with an expected crustal deformation caused by the subduction of Indo-Australia plate under the Eurasian palte.
In order to investigate the propagation error of microwave in the tropical region we have carried out a continuous observation of pressure, temperature and relative humidity at ITB during the GPS campaign in October and November. These data have been compared with those read with an interval of about one hour at GPS points.
Precise gravity measurements have also been carried out with a La Coste & Romberg G-876 gravimeter at one GPS point and six auxiliary points as well as Japan-Indonesia international and Indonesian domestic gravity connections. Narita GSI point was connected with Jakarta T1-A and Jakarta T2-E.The gravity values in Indonesia were determined with reference to the gravity value at the Bandung Geological Museum. The mean square of differences between the gravity values obtained by measurements in 1993 and 1994 is 0.011mgal, and this shows the accuracy of our gravity measurement in our project.

Report

(2 results)
  • 1994 Final Research Report Summary
  • 1993 Annual Research Report
  • Research Products

    (10 results)

All Other

All Publications (10 results)

  • [Publications] KAHAR,Joenil et al.: "GPS campaign for crustal deformation monitoring in west Jawa,Indonesia (1992-1993)" Proceedings of the CRCM'93,Kobe,Dec.6-11,1993. 43-46 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Tanaka,T.et al.: "Monitoring of crustal movements by GPS and gravity change around volcanoes and active fault system" Japan-Indonesia Joint Research on Natural Hazard Prediction and Mitigation Disaster Prevention Research Institute,Kyoto University. 56-72 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] 田中寅夫 ほか: "ジャワ島西部におけるGPS観測" 京都大学防災研究所年報. 37 B1. 251-256

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] 村田一郎 ほか: "日本-インドネシア国際重力結合とジャワ島西部における重力測定" 京都大学防災研究所年報. 37 B1. 257-264

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Kahar, J.et al.: "GPS campaign for crustal deformation monitoring in west Jawa, Indonesia (1992-1993)" Proceedings of the CRCM'93, Kobe, Dec.6-11,1993. 43-46 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Tanaka, T.et al.: "Monitoring of crustal movements by GPS and gravity change around volcanoes and active fault system" Japan-Indonesia Joint Research on Natural Hazard Prediction and Mitigation, Disaster Prevention Research Institute. 56-72

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Tanaka, T.et al.: "GPS observations for crustal movement monitoring in west Jawa, Indonesia" Annuals, Disaster Prevention Research Institute, Kyoto University. 37B1. 251-256 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Murata, I.et al.: "Japan-Indonesia international gravimetric connection and gravity measurement in west Jawa" Annuals, Disaster Prevention Research Institute, Kyoto University. 37B1. 257-264 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] KAHAR,Joenil et al.: "GPS campaign for crustal deformation monitoring in west Jawa,Indonesia(1992-1993)" 測地学会誌. 40. (1994)

    • Related Report
      1993 Annual Research Report
  • [Publications] 田中 寅夫 ほか: "ジャワ島西部におけるGPS観測" 京都大学防災研究所年報. 37B. (1994)

    • Related Report
      1993 Annual Research Report

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Published: 1993-04-01   Modified: 2016-04-21  

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