Short Seminar 2013/01/28


日時: 2013年1月28日(月) 11:00-12:00
場所: 地震火山研究センターセミナー室(E411)
講演者: Dr. Irwan Meilano
      Earthquake Research and Education in Institute Technology of Bandung (ITB), Indonesia
概要: ジャワ島のGPS観測網の現状を紹介していただきました。

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感想:

In this occasion, Dr. Irwan Meilano talked about Earthquake Research and Education in Institute Technology of Bandung (ITB). While Indonesia has suffered disaster from earthquake and tsunami, no earthquake research center exist in university basis. This lead to lack of knowledge about basic science of earthquake, as well as lack of historical database. With this in mind, he established Graduate Research on Earthquake and Active Tectonics (GREAT) in Institute Technology of Bandung in 2011. This is the first program in Indonesia that conducts research focusing on active tectonic, consist course from Earthquake Geology, Seismology, Tectonic Geodesy, Engineering Seismology and Earthquake Geophysics. Until now, 8 staffs support GREAT, with 18 master students and 6 doctor students. International professors from Japan are also invited to give lecture in GREAT. Dr. Irwan himself is in Tectonic Geodesy. Research areas include Aceh, Java and Sunda Strait, North Sulawesi, and West Papua. They set up GPS campaign, observed the crustal deformation and model the tectonic in those areas.

In this opportunity, he discussed in more detail in one of research interest in Java, particularly in Sunda Strait. Sunda Strait is a strait, which divide Sumatra Island and Java Island, and is believed to be the transition zone between the Sumatra oblique subduction and the Java frontal subduction. The Great Sumatra Fault ended in Sunda Strait. There is also Krakatau Volcano. This strait is a key to understand the geodynamic process involved. Previous seismological studies imply that Sunda Strait is in an extensional tectonic regime. Preliminary result of GPS data confirm the active extension. This research is very close to my own research, which is the interplate coupling off Western Java, south of Sunda Strait. In Sunda Strait, we need to consider both the subduction, the Great Sumatra Fault, the graben system, Krakatau Volcano, and other possible sources. More GPS data is recently been installed, and we are seeking better understanding in near future.

Rahma Hanifa Gunawan



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