Diffuse CO2 degassing precursors of the January 2020 eruption of Taal volcano, Philippines

被引：3
作者：
Perez, Nemesio M. [1 ,2 ]
Melian, Gladys, V [1 ,2 ]
Hernandez, Pedro A. [1 ,2 ]
Padron, Eleazar [1 ,2 ]
Padilla, German D. [1 ,2 ]
Criselda Baldago, Ma [3 ]
Barrancos, Jose [1 ,2 ]
Rodriguez, Fatima [1 ]
Asensio-Ramos, Maria [1 ]
Alonso, Mar [1 ,2 ]
Arcilla, Carlo [4 ]
Mahar Lagmay, Alfredo [3 ]
机构：
[1] Inst Volcanol Canarias INVOLCAN, Tenerife 38320, Canary Islands, Spain
[2] Inst Tecnol & Energias Renovables ITER, Tenerife 38600, Canary Islands, Spain
[3] Univ Philippines, Natl Inst Geol Sci, Quezon City 1101, Philippines
[4] Philippine Nucl Res Inst, Dept Sci & Technol, Quezon City, Philippines
来源：
SCIENTIFIC REPORTS | 2022年 / 12卷 / 01期
关键词：
DEEP CARBON EMISSIONS; HYDROTHERMAL SYSTEM; ISOTOPIC EVIDENCE; CANARY-ISLANDS; SOIL; DIOXIDE; GAS; FLUX; NICARAGUA; RELEASE;
D O I：
10.1038/s41598-022-22066-7
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
On January 12, 2020, Taal volcano in Philippines erupted, 43 years after its previous eruption in 1977. This eruption was preceded by diffuse CO2 degassing precursory signals. Significant temporal variations in diffuse CO2 emission from Taal Main Crater Lake (TMLC) were observed across the similar to 12 years reaching high CO2 degassing rates in 2011 and 2017, with values typical of plume degassing volcanoes. In addition to these CO2 surveys at the TCML, soil CO2 efflux continuous monitoring was implemented at Taal volcano since 2016 and a clear increasing trend of the soil CO2 efflux in 2017 was observed. These geochemical observations are most simply explained by magma recharge to the system, and represent the earliest warning precursor signals to the January 2020 eruptive activity.
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页数：9
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