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  1. Pyroclastic Density Currents: Processes and Models

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

  2. 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. …

  3. 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 …

  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. 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 …

  6. 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 …

  7. Pyroclastic density currents: state of the art and perspectives

    Aug 15, 2014 · Pyroclastic density currents (PDCs) are among the most amazing natural phenomena, and involve some of the most complex and dangerous processes occurring …

  8. Submarine pyroclastic deposits from 7.3 ka caldera-forming Kikai ...

    Apr 1, 2024 · Extensive submarine pyroclastic deposits were discovered around the Kikai caldera, Southwest Japan, which originated from the caldera-forming Kikai-Ak…

  9. Formation and dispersal of pyroclasts on the Moon: Indicators of …

    May 1, 2021 · Basaltic pyroclastic eruptions: influence of gas-release patterns and volume fluxes on fountain structure and the formation of cinder cones, spatter cones, rootless flows, lava …

  10. 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…