Explanipedia

An initial assessment of volcanic meteo-tsunami hazard in the South China Sea: what we learned and how to move forward Open

Andrea Verolino, Masashi Watanabe, Raquel Felix, Chris E. Conway, R. Weiß , et al. · 2025

Volcanic meteo-tsunamis (VMTs), though rare, can pose significant threats to people, as exemplified by the 2022 Hunga Tonga–Hunga Ha’apai (HT-HH) eruption in the SW Pacific. While various studies have explored such phenomena, none have inv…

Postglacial Effusive Activity at Mt Ruapehu, Aotearoa New Zealand: Lava Flow Volumes and Eruptive Rate Open

Pedro Doll, Ben Kennedy, Alexander R.L. Nichols, Jim Cole, Dougal Townsend , et al. · 2025

Paleomagnetism‐Based Chronology of Holocene Lava Flows at Mt Ruapehu, Aotearoa New Zealand Open

Pedro Doll, Gillian Turner, Ben Kennedy, Alexander R.L. Nichols, Annika Greve , et al. · 2024

Dating young lava flows is essential for understanding volcano's eruption frequency, yet challenging due to methodological limitations of commonly used dating techniques. Ruapehu (Aotearoa New Zealand) produced many lava flows during the H…

Cosmogenic <sup>3</sup> He chronology of postglacial lava flows at Mt Ruapehu, Aotearoa / New Zealand Open

Pedro Doll, Shaun Eaves, Ben Kennedy, Pierre‐Henri Blard, Alexander R.L. Nichols , et al. · 2024

Accurate volcanic hazard assessments rely on a detailed understanding of the timing of past eruptions. While radiometric methods like 40Ar/39Ar or K/Ar are by far the most conventional lava flow dating tools, their low resolution for young…

Cosmogenic <sup>3</sup> He chronology of postglacial lava flows at Mt. Ruapehu, New Zealand Open

Pedro Doll, Shaun Eaves, Ben Kennedy, Pierre‐Henri Blard, Alexander R.L. Nichols , et al. · 2024

Accurate volcanic hazard assessments rely on a detailed understanding of the timing of past eruptions. While radiometric methods like 40Ar/39Ar or K/Ar are by far the most conventional lava flow dating tools, their low resolution for young…

Caldera collapse thresholds correlate with magma chamber dimensions Open

Nobuo Geshi, Isoji Miyagi, Genji Saito, Chris E. Conway · 2023

An assessment of potential causal links between deglaciation and eruption rates at arc volcanoes Open

Chris E. Conway, Leo R. Pure, Osamu Ishizuka · 2023

One of the fundamental questions that underpins studies of the interactions between the cryosphere and volcanism is: do causal relationships exist between the ice volume on a volcano and its eruption rate? In particular, it is critical to …

A kitchen experiment for replicating lava-ice interaction on stratovolcanoes Open

Chris E. Conway, Kenichiro Tani, Takashi Sano, Keiko Matsumoto, Osamu Ishizuka · 2023

Many Quaternary stratovolcanoes host (or hosted) glacial ice with volumes that have fluctuated in response to long-term global climate cycles. The repeated advance and retreat of ice in valleys on the flanks of volcanoes throughout their e…

From Source to Surface: Magmatic Timescales and Processes Leading to Eruptions from Red Crater (Tongariro, New Zealand) Open

Kerstin Gruender, Simon J. Barker, Michael C. Rowe, Chris E. Conway, Esteban Gazel · 2023

Age and origin of Philippine Sea basins -Tectonic setting leading to subduction initiation- Open

Osamu Ishizuka, Kenichiro Tani, Rex N. Taylor, Susumu Umino, Izumi Sakamoto , et al. · 2023

Origin and Age of Magmatism in the Northern Philippine Sea Basins Open

Osamu Ishizuka, Kenichiro Tani, Rex N. Taylor, Susumu Umino, Izumi Sakamoto , et al. · 2022

A Robust tectonic reconstruction of the Philippine Sea Plate around ∼52 Ma is a prerequisite in understanding the process of subduction initiation and establishment of the Izu‐Bonin‐Mariana arc. This study investigates origins and timing o…

Petrogenesis of isotopically enriched Quaternary magma with adakitic affinity associated with subduction of old lithosphere beneath central Myanmar Open

Takashi Sano, Kenichiro Tani, Shigekazu Yoneda, Hla Min, Thaung Htike , et al. · 2022

Evolution of the magma plumbing system of Miyakejima volcano with periodic recharge of basaltic magmas Open

Nobuo Geshi, Teruki Oikawa, Derek Weller, Chris E. Conway · 2022

Defining the variations in petrological characteristics of erupted magmas within a high-resolution chronostratigraphy provides a necessary framework for monitoring the long-term activity and eruption potential of an active volcano. Here, w…

Additional file 2 of Evolution of the magma plumbing system of Miyakejima volcano with periodic recharge of basaltic magmas Open

Nobuo Geshi, Teruki Oikawa, Derek Weller, Chris E. Conway · 2022

Additional file 2: Table S1. Whole-rock chemical compositions of the eruptive products of Miyakejima within the last ~ 4000 years.

Magma chamber decompression during explosive caldera-forming eruption of Aira caldera Open

Nobuo Geshi, Tadashi Yamasaki, Isoji Miyagi, Chris E. Conway · 2021

Controls on andesitic glaciovolcanism at ice-capped volcanoes from field and experimental studies Open

R.P. Cole, James D. L. White, Tobias Dürig, Ralf Büttner, Bernd Zimanowski , et al. · 2021

Glaciovolcanic deposits at Tongariro and Ruapehu volcanoes, New Zealand, represent diverse styles of interaction between wet-based glaciers and andesitic lava. There are iceconfined lavas, and also hydroclastic breccia and subaqueous pyroc…

Ruapehu and Tongariro stratovolcanoes: a review of current understanding Open

Graham S. Leonard, R.P. Cole, Bruce Christenson, Chris E. Conway, Shane J. Cronin , et al. · 2021

Ruapehu (150 km3 cone, 150 km3 ring-plain) and Tongariro (90 km3 cone, 60 km3 ring-plain) are iconic stratovolcanoes, formed since ∼230 and ∼350 ka, respectively, in the southern Taupo Volcanic Zone and Taupo Rift. These volcanoes rest on …

Glass embayment compositions and water contents.xlsx Open

Nobuo Geshi, Tadashi Yamasaki, Isoji Miyagi, Chris E. Conway · 2021

Dataset of the point and line analysis of the glass chemical composition and calculated water contents in glass embayments found in the phenocrysts of the products of the caldera-forming eruption of the Aira caldera.

Generation of Quaternary adakites due to two-stage differentiation of arc magma beneath central Myanmar Open

Takashi Sano, Kenichiro Tani, Shigekazu Yoneda, Hla Min, Thaung Htike , et al. · 2021

Timing of Seafloor Spreading Cessation at the Macquarie Ridge Complex (SW Pacific) and Implications for Upper Mantle Heterogeneity Open

Qiang Jiang, Renaud Merle, Fred Jourdan, Hugo K.H. Olierook, Martin J. Whitehouse , et al. · 2020

The Macquarie Ridge Complex (MRC) on the Australia‐Pacific plate boundary south of New Zealand is an extinct mid‐ocean ridge that has experienced a complex tectonic history and produced highly heterogeneous mid‐ocean ridge basalts (MORBs).…

A high resolution 40Ar/39Ar lava chronology and edifice construction history for Tongariro volcano, New Zealand Open

Leo R. Pure, Graham S. Leonard, Dougal Townsend, Colin Wilson, Andrew T. Calvert , et al. · 2020

Rapid assembly of high-Mg andesites and dacites by magma mixing at a continental arc stratovolcano Open

Chris E. Conway, Katy J. Chamberlain, Yumiko Harigane, Daniel Morgan, Colin Wilson · 2020

Studies of pre-eruptive processes at active volcanoes require precise petrochronological constraints if they are to contribute to hazard assessment during future eruption events. We present petrological and geochemical data and orthopyroxe…

Supplemental Material: Rapid assembly of high-Mg andesites and dacites by magma mixing at a continental arc stratovolcano Open

Chris E. Conway, et al. · 2020

Details of analytical methods, and supplemental data and figures.

Supplemental Material: Rapid assembly of high-Mg andesites and dacites by magma mixing at a continental arc stratovolcano Open

Chris E. Conway, et al. · 2020

Details of analytical methods, and supplemental data and figures.

Volcanic SiO2-cristobalite: A natural product of chemical vapor deposition Open

C. Ian Schipper, William D.A. Rickard, Steven M. Reddy, David W. Saxey, Jonathan M. Castro , et al. · 2019

Cristobalite is a low-pressure, high-temperature SiO2 polymorph that occurs as a metastable phase in many geologic settings, including as crystals deposited from vapor within the pores of volcanic rocks. Such vapor-phase cristobalite (VPC)…

Submarine giant pumice: a window into the shallow conduit dynamics of a recent silicic eruption Open

S. J. Mitchell, B. F. Houghton, Rebecca Carey, Michael Manga, Kristen E. Fauria , et al. · 2019

The pumice raft-forming 2012 Havre submarine eruption was effusive Open

Michael Manga, Kristen E. Fauria, Christina Lin, S. J. Mitchell, Max P. Jones , et al. · 2018

New petrological, geochemical, and geochronological perspectives on andesite-dacite magma genesis at Ruapehu volcano, New Zealand Open

Chris E. Conway, J. A. Gamble, Colin Wilson, Graham S. Leonard, Dougal Townsend , et al. · 2018

Time–composition relationships in eruptive sequences at composite volcanoes can show how the ongoing intrusion of magmas progressively affects the lithosphere at continental convergent margins. Here, new whole-rock and microanalytical majo…

The largest deep-ocean silicic volcanic eruption of the past century Open

Rebecca Carey, S. A. Soule, Michael Manga, James D. L. White, Jocelyn McPhie , et al. · 2018

A submersible study of the products of a large submarine eruption demonstrates the influence of the ocean on eruption dynamics.

Quantitative geometric description of fracture systems in an andesite lava flow using terrestrial laser scanner data Open

Cécile Massiot, Andrew Nicol, John Townend, David D. McNamara, D. García-Sellés , et al. · 2017

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