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Correlation between seismic activity and volcano deformation on Sinabung Volcano in February 2017

Siregar A.F.a, Meilano I.a, Sarsito D.A.a, Kriswati E.b

a Geodesy and Geomatics Engineering, Institute of Technology Bandung, Bandung, 40132, Indonesia
b Center for Volcanology and Geological Hazard Mitigation, Geological Agency, Bandung, 40122, Indonesia

[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]© 2018 Author(s).Sinabung Volcano was once a dormant volcano until a series of eruption occurred on August 27, 2010 [1]. The methodology used in this research is collecting continuous GPS data from observation points around Sinabung Volcano; KBYK, LKWR, MDRG, and SNBG from CVGHM (Center for Volcanology and Geological Hazard Mitigation) in February 2017. Case studies taken in this research are based on eruption column height, there were 2 big eruptions recorded in February 2017, both on February 4 and 8, with eruption column height 5000 m and 3500 m respectively. The data processing is done using RTKLIB Ver.2.4.2. GPS Observation data then processed using RTKLIB Ver.2.4.2 in kinematic positioning mode, where both LKWR and MRDG referenced relatively to KBYK. Time series baseline results of LKWR-MRDG observation points around Sinabung Volcano both in 2D and 3D in February 2017 show different trend, where on February 4, 2D and 3D LKWR-MRDG baselines had some shifting in which baseline causing extension with range around 4 cm away out of the body of volcano right before the eruption started, meanwhile on February 8, 2D and 3D LKWR-MRDG baselines overall show the extension pattern, although baselines had back and forth patterns. Correlation between seismic z-component and time series displacement result on the up-down component in LKWR on both February 4 and 8 show a positive correlation, where similar patterns seen in 5 minutes before eruption, during eruption event, and 5 minutes after eruption.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Correlation,Deformation,Eruption Column,Kinematic,Seismic[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text]https://doi.org/10.1063/1.5047375[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]