THE RELATIONSHIP BETWEEN EARTHQUAKES AND VOLCANO ERUPTIONS CASE STUDY OF MOUNT SINABUNG ERUPTION IN 2010 AND 2013
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Published: Mar 20, 2024 |
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Keywords: volcanic eruption, earthquake, Coulomb stress change, Mount Sinabung |
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Abstract
Volcanic activity is inseparable from seismic activities and tectonic conditions in the surrounding area. The aim of this paper is to investigate the relationship between earthquakes and volcanic eruptions. The results indicate that after the Mw9.0 Aceh earthquake in 2004, followed by subsequent large aftershocks, has produced positive Coulomb stress changes in the region. Those changes have triggered the disruption of Mount Sinabung in 2010, which has been inactive for four centuries. The cross section that divided Mount Sinabung before the eruption in 2013 also showed positive changes in the Coulomb stress at the lower part of Mount Sinabung, up to a depth of 85 km with lobes up to 5 x 10-3 bars
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