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Quantifying uncertainties in the measurement of tephra fall thickness [PDF]
Journal of Applied Volcanology, 2013 The uncertainties associated with tephra thickness measurements are calculated and implications for volume estimates are presented. Statistical methods are used to analyse the large dataset of Walker and Croasdale J Geol Soc 127:17-55, 1971 of the Fogo A plinian deposit, Sao Miguel, Azores.
Engwell, S. L. +2 more
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Latin American Journal of Sedimentology and Basin Analysis, 2021 The 1991 explosive eruption of Hudson volcano in Chile ejected about 2.7 km3 (DRE) of basalt and trachyandesite magma as tephra fall. A majority of the fallout occurred from an eruption during the period August 12-15, 1991, producing an extensive ...
Roberto A. Scasso, Steven Carey
doaj +2 more sources
Geospatial distribution of tephra fall in Alaska: a geodatabase compilation of published tephra fall occurrences from the Pleistocene to the present [PDF]
, 2018 Tephra fall (volcanic ash) studies are a key component to understanding the frequency and magnitude of volcanic eruptions and conducting volcano-hazard assessments. In addition, many interdisciplinary studies rely on tephra fall deposits as time-stratigraphic markers.
K.M. Mulliken +2 more
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Geochemistry, Geophysics, Geosystems, 2021 We use the tephrostratigraphic framework along the Aegean Volcanic Arc established in Part 1 of this contribution to determine hemipelagic sedimentation rates, calculate new tephra ages, and constrain the minimum magnitudes of (sub)plinian eruptions of ...
S. Kutterolf +8 more
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Probabilistic assessment of tephra fall hazards in Japan using a tephra fall distribution database
, 2020 Abstract Tephra falls can disrupt critical infrastructure, including transportation and electricity networks. Probabilistic assessments of tephra fall hazards have been performed using computational techniques, but it is also important to integrate long-term, regional geological records.
Shimpei Uesawa +3 more
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Quaternary Science Advances, 2023 Reliable records of past volcanic activities are essential for assessing future eruption probabilities and establishing effective volcanic disaster mitigation plans.
Shinya Yamamoto +4 more
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Dynamics and style transition of a moderate, Vulcanian-driven eruption at Tungurahua (Ecuador) in February 2014: pyroclastic deposits and hazard considerations [PDF]
Solid Earth, 2017 The ongoing eruptive cycle of Tungurahua volcano (Ecuador) since 1999 has been characterised by over 15 paroxysmal phases interrupted by periods of relative calm.
J. E. Romero +6 more
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Effects of volcanic and hydrologic processes on forest vegetation: Chaitén Volcano, Chile [PDF]
Andean Geology, 2013 The 2008-2009 eruption of Chaitén Volcano (Chile) involved a variety of volcanic and associated hydrologic processes that damaged nearby forests. These processes included coarse (gravel) and fine (silt to sand) tephra fall, a laterally directed blast ...
Frederick J. Swanson +3 more
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Vegetational response to tephra deposition and land-use change in Iceland: a modern analogue and multiple working hypothesis approach to tephropalynology [PDF]
, 2004 Evidence is provided from the joint application of tephrochronology and palynology in two Icelandic locations — the island of Papey off the east coast and Seljaland in the south.
Edwards, Kevin J. +5 more
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Volcanica, 2018 While volcanologists are experienced in assessing present and past volcanism, and while archaeologists are experts in understanding past societies, the study of how ancient volcanic activity has impacted contemporaneous communities remains little ...
Russell James Blong +2 more
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