M. G. Bato

Jet Propulsion Laboratory

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P. Lundgren

Jet Propulsion Laboratory

Virginie Pinel

Université Savoie Mont Blanc

Arturo Daag

Department of Science and Technology

Mabelline Cahulogan

Institute of Volcanology and Seismology

Nicolas Villeneuve

Institut de physique du globe de Paris

Jean‐Luc Froger

Centre National de la Recherche Scientifique

Társilo Girona

Alaska Volcano Observatory

Renato U. Solidum

Scripps Institution of Oceanography

Valérie Cayol

Laboratoire Magmas et Volcans

Renato Jr Solidum

Institute of Seismology

Cooperative Institutions

University of the Philippines Diliman

Centre National de la Recherche Scientifique

Institut de Recherche pour le Développement

Laboratoire Magmas et Volcans

Université Clermont Auvergne

Istituto Nazionale di Geofisica e Vulcanologia

Jet Propulsion Laboratory

University of the Philippines System

Stanford University

University of Oregon

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Geological hazards of SW Natib Volcano, site of the Bataan Nuclear Power Plant, the Philippines

Geological Society London Special Publications (2012)

Alfredo Mahar Francisco Lagmay Raymond S. Rodolfo Hillel B. Cabria Jesús M. Soria Peter B. Zamora

Abstract The SW sector of Mount Natib, a potentially active volcano in the Bataan volcanic arc in western Luzon, is the site of a mothballed nuclear power plant that members of the national legislature have proposed to activate. Detailed geological fieldwork was conducted to assess the capability of the volcano and to identify any volcanic hazards it might pose to the nuclear plant. The nearest eruptive centre is 5.5 km away from the plant. SW Natib Volcano is underlain by lava flows, lahar deposits and at least six pyroclastic density current (PDC) deposits, three directly underlying the nuclear reactor facility. A fault trending N30°E is aligned with the Lubao Fault, a capable fault NE of the volcanic edifice. Radon emissions at the traces of these faults are high and comparable to those at known active faults. An associated thrust fault at the nuclear site cuts through lahars up to the ground surface. The results presented here can be used for general hazard preparedness of local communities, and may assist the government to decide whether or not to recommission the nuclear power plant.

Volcanic hazards

Geologic hazards

10.1144/sp361.13

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The intriguing dynamics of Domuyo volcano, Argentina, as inferred from satellite remote sensing observations

AGU Fall Meeting Abstracts (2020)

P. Lundgren Társilo Girona M. G. Bato Fabio Pulvirenti K. L. Feigl

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Near-real-time tracking of volcanic systems using ground deformation data

AGU Fall Meeting Abstracts (2019)

M. G. Bato P. Lundgren Marco Bagnardi Alberto Roman K. R. Anderson

Tracking (education)

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The 2020 Eruption and Large Lateral Dike Emplacement at Taal Volcano, Philippines: Insights From Satellite Radar Data

Geophysical Research Letters (2021)

M. G. Bato P. Lundgren Virginie Pinel Renato U. SOLIDUM Arturo Daag

Abstract On January 12, 2020, Taal volcano, Philippines, erupted after 43 years of repose, affecting more than 500,000 people. Using interferometric synthetic aperture radar (InSAR) data, we present the pre‐ to post‐eruption analyses of the deformation of Taal. We find that: (1) prior to eruption, the volcano experienced long‐term deflation followed by short‐term inflation, reflecting the depressurization‐pressurization of its ∼5 km depth magma reservoir; (2) during the eruption, the magma reservoir lost a volume of 0.531 ± 0.004 km 3 while a 0.643 ± 0.001 km 3 lateral dike was emplaced; and (3) post‐eruption analyses reveal that the magma reservoir started recovery approximately 3 weeks after the main eruptive phase. We propose a conceptual analysis explaining the eruption and address why, despite the large volume of magma emplaced, the dike remained at depth. We also report the unique and significant contribution of InSAR data during the peak of the crisis.

Lateral eruption

Effusive eruption

Dike

Volcanology

Vulcanian eruption

Dense-rock equivalent

10.1029/2021gl092803

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Citations (29)

The dynamics of large silicic systems from satellite remote sensing observations: the intriguing case of Domuyo volcano, Argentina

Scientific Reports (2020)

P. Lundgren Társilo Girona M. G. Bato Vincent J. Realmuto Sergey Samsonov

Abstract Silicic magmatic systems are the most dangerous volcanoes on Earth, capable of large and catastrophic eruptions, yet their low eruptive frequency makes it challenging to interpret their short-term unrest. Here we present a decade-plus analysis that integrates, for the first time, time series of satellite interferometric synthetic aperture radar (InSAR) surface deformation and satellite thermal infrared edifice-scale surface warming at a large silicic system: Domuyo volcano, in Argentina. We find that deformation and warming are highly correlated, and depending on the sign and lag between the time series, either shallow sealing or magma influx could drive Domuyo’s ongoing inflation (~ 0.15 m/year; from an InSAR-derived tabular source, ~ 11 × 8 × 1 km; ~ 6.5 km depth; ~ 0.037 km 3 /year volume-change rate) and warming (0.3–0.4 °C/year). This study shows the potential that combined satellite surface deformation and edifice-scale surface warming time series have on assessing the physical mechanisms of silicic volcanic systems and for constraining deterministic models.

Silicic

10.1038/s41598-020-67982-8

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Citations (31)

The 2020 eruption and the large lateral dike emplacement at Taal volcano, Philippines: Insights from radar satellite data

M. G. Bato P. Lundgren Virginie Pinel Renato U. Solidum Arturo Daag

On 12 January 2020, Taal volcano, Philippines, erupted after 43 years of repose, affecting more than 500,000 people. Using interferometric synthetic aperture radar (InSAR) data, we present the complete pre- to post-eruption analyses of the deformation of Taal. We find that: 1) prior to eruption, the volcano experienced long-term deflation followed by short-term inflation, reflecting the depressurization-pressurization of its ~5 km depth magma reservoir; 2) during the eruption, the magma reservoir lost a volume of 0.531 +/- 0.004 km^3 while a 0.643 +/- 0.001 km^3 lateral dike was emplaced; and 3) post-eruption analyses reveal that the magma reservoir started recovery approximately 3 weeks after the main eruptive phase. We propose a conceptual analysis explaining the eruption and address why, despite the large volume of magma emplaced, the dike remained at depth. We also report the unique and significant contribution of InSAR data during the peak of the crisis.

Lateral eruption

Effusive eruption

Dike

Volcanology

Vulcanian eruption

Dense-rock equivalent

10.1002/essoar.10504404.2

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Citations (2)

Volcano Monitoring with Geodetic and Thermal Remote Sensing Time Series

P. Lundgren Társilo Girona M. G. Bato

Volcano monitoring is centered around volcano observatories that rely on local networks of in situ instruments to monitor activity in near-real time. Primary observations include seismicity, surface deformation, and thermal and gas emissions. Satellite remote sensing observations of surface deformation (from interferometric synthetic aperture radar; InSAR) and spectroscopic data are showing increasing potential for volcano monitoring as their availability and quality improve. Here we present new insights we derive from the combination of InSAR and thermal time series on driving models for volcano processes, and their implications for volcano monitoring. We present analyses of three volcanoes: Domuyo (Argentina), Taal (Philippines), and Nevados de Chillán (Chile), whose geodetic time series show a deflation-inflation striking pattern. We discuss the implications of these observations for volcano dynamics at these diverse volcanic systems.

Deformation monitoring

10.1109/igarss47720.2021.9554167

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Citations (3)

Insights on the 2010 Lava Flows of Piton de la Fournaise Using Cosmo-SkyMed and TanDEM-X Data: Lava Displacement Rates, Thicknesses, and Volume Estimates

AGUFM (2014)

M. G. Bato Jean‐Luc Froger Alma Harris Nicolas Villeneuve

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Ensemble Data Assimilation in Volcanology

M. G. Bato Virginie Pinel Yajing Yan