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  1. Pyroclastic Flow - an overview | ScienceDirect Topics

    Nov 13, 1985 · Pyroclastic flows are defined as rapid movements of hot molten rock and gases that result from explosive volcanic eruptions or large-scale collapses of volcanic domes. These …

  2. Fluidization in pyroclastic flows - ScienceDirect

    Apr 15, 2024 · Pyroclastic flows are mixtures of gas and particles generated by gravitational collapse of lava domes or fall-back of eruption columns during explosiv…

  3. Pyroclastics - an overview | ScienceDirect Topics

    Mar 16, 2013 · PDC, or pyroclastic density current, is defined as a fast-moving flow of hot gas and volcanic matter that can exert dynamic pressure on structures, potentially leading to their …

  4. The hazards of unconfined pyroclastic density currents: A new …

    Jan 1, 2022 · Pyroclastic density currents (PDCs) are the deadliest volcanic hazard, accounting for nearly a third of all historical volcano-related fatalities (Brown et al., 2017). They are also …

  5. Pyroclastic Density Currents: Processes and Models

    Jan 1, 2015 · Pyroclastic density currents (PDCs) are the most hazardous volcanic phenomena for populations living near volcanic edifices due to their rapid propagation along the ground, …

  6. Pyroclastic Materials - an overview | ScienceDirect Topics

    Pyroclastic materials refer to volcanic products ejected during explosive eruptions, including pyroclastic density currents, ballistic bombs, scoria, and tephra fallout. These materials are …

  7. Pyroclastic Deposit - an overview | ScienceDirect Topics

    Pyroclastic deposits are defined as accumulations of volcanic materials formed by the explosive fragmentation of magma during eruptions, which can be emplaced rapidly over large areas. …

  8. Insight into the 2021 Semeru volcano eruption from rapid …

    Nov 1, 2024 · The objective of this study is to map the pyroclastic deposits resulting from the Semeru eruption in 2021 and to analyse the process of pyroclastic deposit formation, including …

  9. Lithologic classification of pyroclastic rocks: A case study for the ...

    Jul 1, 2022 · With the ongoing discovery of volcanic oil and gas reservoirs, pyroclastic rocks have begun to attract widespread attention from both the academic and…

  10. Inside pyroclastic density currents – uncovering the enigmatic flow ...

    Jan 15, 2017 · Pyroclastic density currents (PDCs) are the most lethal threat from volcanoes. While there are two main types of PDCs (fully turbulent, fully dilute p…