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Geotechnical characteristics and seismic stability evaluation of pumice-fall deposits soil on collapse slope by the 2018 Hokkaido eastern Iburi earthquake
The September 6, 2018, earthquake in the eastern part of Hokkaido, Japan, caused extensive slope failures in Atsuma-town, Hokkaido, Japan. In this...
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Magnetic petrology of pumice fall deposits of the 1783 eruption of Asama volcano, Japan
Magnetic petrological investigations were conducted on the pumice fall deposits of the 1783 eruption of Asama volcano to examine relationships...
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Reconstructing the Belbaşhanı Pumice Plinian eruption, Hasandağ Volcano, Turkey
Hasandağ volcano (Central Anatolia, Turkey) has recently underwent an increase in local seismicity and fumarolic activity since 2013. In the past,...
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Influence of Intra-Particle Saturation Ratio on Strength Degradation of Pumice Soil
The 2018 Hokkaido Eastern Iburi Earthquake occurred on 6 September 2018 and caused more than 7000 landslides in and around Atsuma and Abira towns....
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Simulated distributions of pumice rafts in Japan following eruptions at volcanic islands and submarine volcanoes
Voluminous pumice rafts produced by the 2021 phreatomagmatic eruption of Fukutoku-Oka-no-Ba, a submarine volcano located in the Izu-Bonin Islands,...
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Response of Pumice-Rich Soils to Cyclic Loading
Soils containing pumice are frequently encountered on engineering projects in the North Island of New Zealand. The presence of pumice is known to...
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The late Pleistocene Sacarosa tephra-fall deposit, Misti Volcano, Arequipa, Peru: its magma, eruption, and implications for past and future activity
Between 38.5 ka cal BP and 32.4 ka cal BP, a dacitic Volcanic Explosivity Index 5 eruption at Misti volcano emplaced the Sacarosa tephra-fall...
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Characterising the wind-advected medial fall deposit from fissure 8 fountaining during the 2018 lower East Rift Zone eruption, Kīlauea
The 2018 eruption on the lower East Rift Zone, Hawaii, involved the opening of 24 fissures before the eruption focussed on a single point source,...
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Role of particle size of natural pozzolanic materials of volcanic pumice: flow properties, strength, and permeability
Worldwide consumption of cement must be reduced because of the serious pollution created from its manufacturing process. This study aims to solve...
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Laboratory tests to understand tephra sliding behaviour on roofs
Following explosive eruptions, loading from tephra fall deposits can lead to roof collapse. However, the load may be reduced significantly by tephra...
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Landslide Disasters Caused by the 2018 Eastern Iburi Earthquake in Hokkaido Japan and the Countermeasures to Completely Prevent the Similar Disasters in the Future
The catastrophic 2018 Hokkaido Eastern Iburi Earthquake triggered thousands of shallow liquefied landslides in pyroclastic fall deposits one day...
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Quantitative measurement of bubble textures in pumice clasts using a digital stereo microscope with low-angled ring illumination
Quantitative analysis of bubble textures in a large number of volcanic pyroclasts is critical to investigating the eruption dynamics in a volcanic...
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Hydraulic properties of and pressure-head dynamics in thick pyroclastic-fall deposits in Atsuma, Northern Japan: implications for the role of water in shallow landslides induced by the 2018 Hokkaido Eastern Iburi Earthquake
The 2018 Hokkaido Eastern Iburi Earthquake triggered numerous shallow landslides on slopes covered with thick pyroclastic-fall deposits. The...
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Controlling role of Ta-d pumice on the coseismic landslides triggered by 2018 Hokkaido Eastern Iburi Earthquake
The 2018 Hokkaido Eastern Iburi Earthquake triggered massive landslides in the pyroclastic fall deposits. Most of them are shallow debris slides....
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Eruption style transition during the 2017–2018 eruptive activity at the Shinmoedake volcano, Kirishima, Japan: surface phenomena and eruptive products
Recent eruptions of the Shinmoedake volcano, Japan, have provided a valuable opportunity to investigate the transition between explosive and effusive...
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High-Viscosity Silicic Lavas (Rhyolite, Dacite, and Andesite)
The eruption processes, flow behaviour, and characteristics of high-viscosity felsic and silicic lavas are now considered. Magma differentiation and...
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Eruptive activity of the Santorini Volcano controlled by sea-level rise and fall
Sea-level change is thought to influence the frequencies of volcanic eruptions on glacial to interglacial timescales. However, the underlying...
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Anatomy of a Recharge Magma: Hornblende Dacite Pumice from the rhyolitic Tshirege Member of the Bandelier Tuff, Valles Caldera, New Mexico, USA
The 1.26 Ma Tshirege Member of the Bandelier Tuff is the second of two major (~ 400 km 3 , dense rock equivalent) compositionally zoned rhyolitic...
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Subaerial Pyroclastic Density Currents (Pyroclastic Flows and Surges)
Explosive eruptions can produce a spectrum of pyroclastic density currents (pdcs) which we describe in this chapter. Pdcs are potentially the most...
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A new quantitative welding degree classification for ignimbrites
As a pyroclastic rock type, ignimbrites may reveal varying degrees of welding depending on the temperature (> 535 ℃) and overburden pressure...
