The Early Model of Tomography in Eastern Indonesia Using FMTOMO

نویسندگان

چکیده

Abstract Eastern Indonesia has a complicated structure due to the collision of Eurasian Plate, Pacific Indo-Australian and Philippine creating an active seismic zone. The Banda - Seram segment eastern comprises subduction, rollback, detachment, slab tear, back-arc thrust, volcanic arc. Sri Widiyantoro did previous study in utilizing tomography methods detect upper mantle 180-degree curved transition zone under In addition, Robert Hall Spakman’s research revealed existence spoon-shaped mechanism band Seismic modeling, this seeks identify tectonic features Indonesia, such as partial melting, rips, volcanic-arc, faults, establish most suitable mitigation strategies. This uses earthquake data from Meteorology Climatology Geophysics Agency database (BMKG) form P waves. 1 January 2016 31 December 2020, with coordinates 12 LS 120 135 BT, there were 81 recording stations 11299 occurrences consisting 175643 waves 27338 S work applies FMTOMO method tomographic model. indicates that high-velocity anomalies characterize subduction depth 650 kilometers. On Buru Island, anomaly is diagnosed tear at more than 400 identifies 100-kilometer-deep Back-arc thrust on Wetar Island produces shallow earthquakes. low-velocity 70 kilometers 90 characterized melting its parallel location examines connection between intense magmatic activity Indonesia.

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ژورنال

عنوان ژورنال: IOP conference series

سال: 2023

ISSN: ['1757-899X', '1757-8981']

DOI: https://doi.org/10.1088/1755-1315/1227/1/012037