DINAMIKA SUMBER TEKANAN GUNUNG SINABUNG PADA AWAL PERIODE ERUPSI DENGAN SKEMA INVERSI VERY FAST SIMULATED ANNEALING (VFSA)
DOI:
https://doi.org/10.22437/jop.v10i2.43453Keywords:
Gunung Sinabung, Inversi, VFSA, GPS, Sumber TekananAbstract
Gunung Sinbung semenjak tahun 1600 hingga tahun 2010 tidak pernah mengalami erupsi, namun semenjak 27 Agustus 2010 hingga saat ini (2025) gunung sinabung terus mengalami erupsi hampir setiap hari. Hal tersebut menjadikan pertanyaan apa yang terjadi pada awal periode erusi gunung tersebut. Dinamika sumber tekanan Gunung Sinabung pada awal periode erupsi telah dianalisis dengan pendekatan skema inversi yang bertujuan untuk memahami mekanisme internal yang memicu aktivitas vulkanik. Dari data GPS menunjukan beberapa kelurusan data deformasi dan diperoleh 5 periode pada awal erupsi pada tahun 2011-2012. Dari hasil inversi mengunakan model Mogi dengan skema very fast simulated annealing (VFSA) diperoleh adanya kantong magma dalam pada kedalaman 17km dan kantong magma dangkal pada kedalaman 0,5km. Hasil analisis menunjukkan adanya pergeseran sumber tekanan yang signifikan dari kedalaman menengah menuju permukaan seiring dengan meningkatnya aktivitas erupsi yang terjadi.
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References
Chaoshu, Hu., Stoffa, P., Mcintosh, K. 2008. First Arrival Stochastic Tomography: Automatic Background Velocity Estimation Using Beam Semblances and VFSA. Geophysical Ryseach Leter, Volume 35 Issue 23.
Chaoshu, T., et al. 2008. "Application of VFSA in geophysical inversion." Geophysical Journal International, 172(1), 251–263. https://doi.org/10.1111/j.1365-246X.2007.03619.x
Costa, A., Marti, J., & Cary, A. 2006. "Numerical simulation of magma intrusion: Implications for edifice failure." Journal of Volcanology and Geothermal Research, 158(1–2), 112–132. https://doi.org/10.1016/j.jvolgeores.2006.05.002
Dzurisin, D. 2007. Volcano Deformation: Geodetic Monitoring Techniques. Springer Praxis Books.
Fialko, Y., Khazan, Y., & Simons, M. 2001. "Deformation due to a pressurized ellipsoidal cavity in an elastic half-space, with applications to volcano geodesy." Geophysical Journal International, 146(1), 181–190. https://doi.org/10.1046/j.1365-246X.2001.00452.x
Garabito, G., Cruz. J. C., & Hubral, P. 2006. Application of SA and VFSA Global Optimization Algorithmns for Search of the 2D CRS Stacking Parameters. Annual WIT report 2006
Grabito, M. E., et al. 2006. "Use of Very Fast Simulated Annealing for tomographic inversion." Geophysics, 71(6), R61–R69.
Grandis, H. 2009. Very Fast Simulated Annealing untuk Inversi Geofisika. Institut Teknologi Bandung.
Grandis, Hendra. 2009. Pengantar Pemodelan Inversi Geofisika. Himpunan Ahli Geologi Indonesia (HAGI).
Gunawan, H. 2017. Evaluasi Aktivitas Gunung Api di Indonesia. Bandung: PVMBG.
Gunawan, H., Budianto, A., Prambada, O., McCausland, W., Pallister, J., & Iguchi, M. 2017. Overview of the eruptions of Sinabung eruption, 2010 and 2013–present and details of the 2013 phreatomagmatic phase. Journal of Volcanology and Geothermal Research, Volume 382, 15 September 2019, Pages 103-119.
Haerani, N., Basuki, A., Suparman, Y., Primulyana, S., Prambada, O., Loeqman, A., & Ohkura, T. 2012. Evaluation of volcanic activity at Sinabung volcano, after more than 400 years of quiet. Journal of Disaster Research, 7(1), 37.
Haerani, N., et al. 2012. "Penerapan Metode VFSA untuk Pemodelan Sumber Gempa di Sulawesi." Jurnal Geosains, 8(2), 87–94.
Indrastuti, N., Nugraha, A, D., Gunawan, H., McCausland, W. 2017. 3-D Seismic Tomographic study of Sinabung Volcano, Northern Sumatra, Indonesia, during the inter-eruptive period October 2010 - July 2013. Journal of Volcanology and Geothermal Research, Volume 382, 15 September 2019, Pages 197-209.
Ingber, L. 1989. "Very fast simulated re-annealing." Mathematical and Computer Modelling, 12(8), 967–973. https://doi.org/10.1016/0895-7177(89)90202-1
Ingber, L. 1989. Very Fast Simulated Re-Annealing. Math Comput Modelling. Vol 12 No. 8, pp. 967-973.
Ingber, L., & Rosen, B. 1992. Genetic algorithms and very fast simulated reannealing: a comparison. Journal of Mathematical Computation and Modelling, 16:87–100.
Kumalasari, R., et al. 2017. "Pemodelan deformasi permukaan gunung api menggunakan metode Very Fast Simulated Annealing." Jurnal Geofisika Indonesia, 20(1), 55–62.
Kumalasari, R., Srigutomo, W., Djamal, M., Meilano, I., & Gunawan, H. 2018. Location of Sinabung volcano magma chamber on 2013 using lavenberg-marquardt inversion scheme. Journal of Physics: Conference Series, 1013(1). https://doi.org/10.1088/1742-6596/1013/1/012182
Kumalasari, R., Srigutomo, W., Djamal, M., Meilano, I., Evita, M., & Gunawan, H. 2019. Location of Sinabung volcano magma chamber on 2013 using simulated annealing inversion scheme. Journal of Physics: Conference Series, 1321(3). https://doi.org/10.1088/17426596/1321/3/032120
Kumalasari, R., Srigutomo, W., Meilano, I., & Gunawan, H. 2020. Numerical Modeling Of Pressure Source Of Sinabung Volcano Based On GPS Data In 2011-2012 Using Particle Swarm Optimization (PS0). Computational and Experimental Research in Materials and Renewable Energy (CERiMRE) Volume3, Issue2, page 30-36 eISSN : 2747-173X.
McTigue, D. F., Segall, P., & Cervelli, P. 2014. "A model for the inflation of a magma chamber and its application to the 2000 eruption of Miyakejima Volcano, Japan." Journal of Volcanology and Geothermal Research, 264, 123–136. https://doi.org/10.1016/j.jvolgeores.2013.07.004
Menke, W. 1984. Geophysical Data Analysis: Discrete Inverse Theory. Academic Press.
Mogi, K. 1958. Relations between the Eruptions of Various Volcanoes and the Deformations of the Ground Surfaces around them.
Bulletin of the Earthquake.
Nakada, S., Syahbana, D. K., & Kaneko, T. 2016. "Volcanic activity and hazard at Sinabung volcano, Indonesia." Earth, Planets and Space, 68(1), 1–8. https://doi.org/10.1186/s40623-016-0423-7
Pribadi, A., et al. 2023. "Geodetic Monitoring and Numerical Simulation of Active Volcanoes in Indonesia." Journal of Volcanology and Hazard Mitigation, 5(2), 44–59. •
PVMBG. 2010. Laporan Aktivitas Gunung Sinabung. Pusat Vulkanologi dan Mitigasi Bencana Geologi.
Research Institute, 36, 99–134. Pusat Vulkanologi dan Mitigasi Bencana (PVMBG). 2010. Data Dasar Gunung Api di Indonesia. Pusat Vulkanologi dan Mitigasi Bencana (PVMBG).
Segall, P. 2010. Earthquake and Volcano Deformation. Princeton University Press.
Sen & Stoffa. 2013. A Very Fast Simulates Annealing (VFSA) Approach for Joint Objective Optimization. Geophysics 74(6), WCB47-WCB55.
Sen, M. K., & Stoffa, P. L. 2013. Global Optimization Methods in Geophysical Inversion (2nd ed.). Cambridge University Press.
Syahbana, D. K., Nakada, S., & Kaneko, T. 2014. "The 2010 eruption of Sinabung volcano, Indonesia: A case of magma intrusion into an old volcanic system." Journal of Volcanology and Geothermal Research, 273, 1–10. https://doi.org/10.1016/j.jvolgeores.2014.01.004
Yulianti, S., et al. 2021. "Application of Inversion Techniques for Volcanic Deformation Analysis." Earth Science Research, 10(3), 67–74.
Zhang, G., et al. 2016. "Inversion of surface deformation data for magma chamber parameters at active volcanoes." Journal of Geophysical Research: Solid Earth, 121(3), 1903–1924. https://doi.org/10.1002/2015JB012600
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