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Conference Paper

Study on Seismicity and Seismic Tomography on a Hydrothermal System in West Java

Authors

Akbar,  Akhmad Fanani
External Organizations;

Ryannugroho,  Riskiray
External Organizations;

/persons/resource/pjousset

Jousset,  P.
ICGR International Center for Geothermal Research, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;
2.2 Geophysical Deep Sounding, 2.0 Physics of the Earth, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/gassner

Gassner,  Alexandra
2.2 Geophysical Deep Sounding, 2.0 Physics of the Earth, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/jaya

Jaya,  M.
ICGR International Center for Geothermal Research, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Sule,  Rachmat
External Organizations;

Diningrat,  Wahyuddin
External Organizations;

/persons/resource/andri

Hendriyana,  Andri
4.1 Reservoir Technologies, 4.0 Chemistry and Material Cycles, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Kusnadi,  Yosep
External Organizations;

Nugraha,  Andri Dian
External Organizations;

/persons/resource/muksin

Muksin,  U.
2.2 Geophysical Deep Sounding, 2.0 Physics of the Earth, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Indrinanto,  Yudi
External Organizations;

/persons/resource/kerbas

Erbas,  Kemal
ICGR International Center for Geothermal Research, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Citation

Akbar, A. F., Ryannugroho, R., Jousset, P., Gassner, A., Jaya, M., Sule, R., Diningrat, W., Hendriyana, A., Kusnadi, Y., Nugraha, A. D., Muksin, U., Indrinanto, Y., Erbas, K. (2015): Study on Seismicity and Seismic Tomography on a Hydrothermal System in West Java - Proceedings, World Geothermal Congress 2015 (Melbourne, Australia 2015).


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_1182908
Abstract
A total of 48 seismometers were deployed from October, 2012 to October 2013 around a geothermal field in the southern part of the Bandung basin region. A threshold time difference between S and P-wave was applied with an arrival time of less than three seconds. Otherwise, the waves were assumed as regional or teleseismic events. Then the P-and S-wave arrival times of events were carefully picked visually by eye. After this, the events were located. So far, 1,260 microearthquake events have been determined using a nonlinear algorithm integrated in the seismotool. These events seem to concentrated around geothermal field. Seismic velocities from the 1-D model were used as input for the 3-D seismic tomography inversion to invert for 3-D Vp, Vs, and Vp/Vs ratio subsurface structures around this geothermal field.