Physical modeling of magma chamber of slamet volcano by means of satellite gravimetric data

Slamet Volcano (3,432 m) is the highest volcano in Central Java, Indonesia, with a weak explosive type of eruption compared to other active volcanoes. Designing the magma chamber model may help reveal the characteristics of Slamet Volcano. The modelling uses the gravimetric satellite data from GGMpl...

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Main Authors: Sehah Sehah, Urip Nurwijayanto Prabowo, Sukmaji Anom Raharjo, Aina Zahra Ikhwana
Format: Article
Language:English
Published: Komunitas Ilmuwan dan Profesional Muslim Indonesia 2022-12-01
Series:Communications in Science and Technology
Subjects:
Online Access:https://cst.kipmi.or.id/journal/article/view/1001
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author Sehah Sehah
Urip Nurwijayanto Prabowo
Sukmaji Anom Raharjo
Aina Zahra Ikhwana
author_facet Sehah Sehah
Urip Nurwijayanto Prabowo
Sukmaji Anom Raharjo
Aina Zahra Ikhwana
author_sort Sehah Sehah
collection DOAJ
description Slamet Volcano (3,432 m) is the highest volcano in Central Java, Indonesia, with a weak explosive type of eruption compared to other active volcanoes. Designing the magma chamber model may help reveal the characteristics of Slamet Volcano. The modelling uses the gravimetric satellite data from GGMplus, which is best in spatial resolution compared to other satellite data, i.e. 220 m. Data processing begins with Bouguer correction and terrain correction and has resulted in complete Bouguer anomalies data, with values ranging from 11.068 – 117.451 mGal. Further, residual Bouguer anomalies data were obtained after data reduction to the horizontal surface and removal of regional anomalies data, to obtain values ranging from -67.569 – 38.808 mGal. The residual anomaly contour map shows the lowest anomalous value is under the volcanic cone at positions of 109.21967° E and 7.24281° S which is estimated to be the location of the magma chamber of Slamet Volcano. However, the inversion modeling resulting from the residual Bouguer anomalies data shows that the magma chamber of Slamet Volcano can be observed clearly at positions of 109.22053° E and 7.24719° S. The location of the magma chamber is not perfectly vertical under the volcanic cone but has a slight slope. The obtained model of the magma chamber has a relatively small volume and shallow depth, i.e. about 1 – 4 km. The obtained physical parameters of the magma chamber impact the characteristics of the eruption of Slamet Volcano which tend to be weak explosive.
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spelling doaj.art-ebed2b70abca47b2a33625c350f8da872022-12-31T17:02:10ZengKomunitas Ilmuwan dan Profesional Muslim IndonesiaCommunications in Science and Technology2502-92582502-92662022-12-017216016710.21924/cst.7.2.2022.10011001Physical modeling of magma chamber of slamet volcano by means of satellite gravimetric dataSehah Sehah0Urip Nurwijayanto Prabowo1Sukmaji Anom Raharjo2Aina Zahra Ikhwana3Physics Department, Faculty of Mathematic and Natural Sciences, Jenderal Soedirman University, Purwokerto 53122, IndonesiaPhysics Department, Faculty of Mathematic and Natural Sciences, Jenderal Soedirman University, Purwokerto 53122, IndonesiaPhysics Department, Faculty of Mathematic and Natural Sciences, Jenderal Soedirman University, Purwokerto 53122, IndonesiaPhysics Department, Faculty of Mathematic and Natural Sciences, Jenderal Soedirman University, Purwokerto 53122, IndonesiaSlamet Volcano (3,432 m) is the highest volcano in Central Java, Indonesia, with a weak explosive type of eruption compared to other active volcanoes. Designing the magma chamber model may help reveal the characteristics of Slamet Volcano. The modelling uses the gravimetric satellite data from GGMplus, which is best in spatial resolution compared to other satellite data, i.e. 220 m. Data processing begins with Bouguer correction and terrain correction and has resulted in complete Bouguer anomalies data, with values ranging from 11.068 – 117.451 mGal. Further, residual Bouguer anomalies data were obtained after data reduction to the horizontal surface and removal of regional anomalies data, to obtain values ranging from -67.569 – 38.808 mGal. The residual anomaly contour map shows the lowest anomalous value is under the volcanic cone at positions of 109.21967° E and 7.24281° S which is estimated to be the location of the magma chamber of Slamet Volcano. However, the inversion modeling resulting from the residual Bouguer anomalies data shows that the magma chamber of Slamet Volcano can be observed clearly at positions of 109.22053° E and 7.24719° S. The location of the magma chamber is not perfectly vertical under the volcanic cone but has a slight slope. The obtained model of the magma chamber has a relatively small volume and shallow depth, i.e. about 1 – 4 km. The obtained physical parameters of the magma chamber impact the characteristics of the eruption of Slamet Volcano which tend to be weak explosive.https://cst.kipmi.or.id/journal/article/view/1001magma chamberslamet volcanosatellite gravimetric dataresidual anomalies dataphysical modeling
spellingShingle Sehah Sehah
Urip Nurwijayanto Prabowo
Sukmaji Anom Raharjo
Aina Zahra Ikhwana
Physical modeling of magma chamber of slamet volcano by means of satellite gravimetric data
Communications in Science and Technology
magma chamber
slamet volcano
satellite gravimetric data
residual anomalies data
physical modeling
title Physical modeling of magma chamber of slamet volcano by means of satellite gravimetric data
title_full Physical modeling of magma chamber of slamet volcano by means of satellite gravimetric data
title_fullStr Physical modeling of magma chamber of slamet volcano by means of satellite gravimetric data
title_full_unstemmed Physical modeling of magma chamber of slamet volcano by means of satellite gravimetric data
title_short Physical modeling of magma chamber of slamet volcano by means of satellite gravimetric data
title_sort physical modeling of magma chamber of slamet volcano by means of satellite gravimetric data
topic magma chamber
slamet volcano
satellite gravimetric data
residual anomalies data
physical modeling
url https://cst.kipmi.or.id/journal/article/view/1001
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