Newly velocity field of Sulawesi Island from GPS observation

D. A. Sarsito*, YO Susilo, W. J.F. Simons, H. Z. Abidin, B. Sapiie, W. Triyoso, H. Andreas

*Corresponding author for this work

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

1 Citation (Scopus)

Abstract

Sulawesi microplate Island is located at famous triple junction area of the Eurasian, India-Australian, and Philippine Sea plates. Under the influence of the northward moving Australian plate and the westward motion of the Philippine plate, the island at Eastern part of Indonesia is collide and with the Eurasian plate and Sunda Block. Those recent microplate tectonic motions can be quantitatively determine by GNSS-GPS measurement. We use combine GNSS-GPS observation types (campaign type and continuous type) from 1997 to 2015 to derive newly velocity field of the area. Several strategies are applied and tested to get the optimum result, and finally we choose regional strategy to reduce error propagation contribution from global multi baseline processing using GAMIT/GLOBK 10.5. Velocity field are analyzed in global reference frame ITRF 2008 and local reference frame by fixing with respect alternatively to Eurasian plate - Sunda block, India-Australian plate and Philippine Sea plates. Newly results show dense distribution of velocity field. This information is useful for tectonic deformation studying in geospatial era.

Original languageEnglish
Title of host publicationInternational Symposium on Earth Hazard and Disaster Mitigation, ISEDM 2016 - The 6th Annual Symposium on Earthquake and Related Geohazard Research for Disaster Risk Reduction
EditorsI. Meilano, Z. Zulfakriza
PublisherAmerican Institute of Physics
Volume1857
ISBN (Electronic)9780735415317
DOIs
Publication statusPublished - 25 Jul 2017
Event6th International Symposium on Earth Hazard and Disaster Mitigation - Bandung, Indonesia
Duration: 11 Oct 201612 Oct 2016
Conference number: 6

Conference

Conference6th International Symposium on Earth Hazard and Disaster Mitigation
Abbreviated titleISEDM 2016
Country/TerritoryIndonesia
CityBandung
Period11/10/1612/10/16

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