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  1. Natural Hazards Tephra Fallout Lab

    04 Mar 2011 | Educational Materials | Contributor(s): Leah Michelle Courtland

    This lab walks students through using the tephra2 education graphical user interface (gui) to investigate tephra fallout at Colima volcano. By the end of this lab, students should be able to:•understand that every volcanic event is different and so produces a unique deposit•convert from units of...

  2. 1st IAVCEI/GVM Workshop: "From Volcanic Hazard to Risk Assessment", Geneva, 27-29 June 2018

    18 Dec 2018 | Workshops | Contributor(s): Costanza Bonadonna, Sebastien Biass, Eliza S Calder, Corine Frischknecht, Chris Eric Gregg, Susanna Jenkins, Sue C Loughlin, Scira Menoni, Shinji Takarada, Tom Wilson

    The complexity of volcanic risk analysis typically resides in the interaction of multiple hazard, vulnerability and exposure aspects dynamically acting over various spatial and temporal scales. Risk analyses provide an evidence-based approach to development and implementation of proactive...

  3. A Matlab implementation of the Carey and Sparks (1986) model

    04 Nov 2015 | Offline Tools | Contributor(s): Sebastien Biass, Gholamohssein Bagheri, Costanza Bonadonna

    Download the code on GitHub: https://github.com/e5k/CareySparks86_MatlabFollow updates on: https://e5k.github.io/   This file is a Matlab implementation of the Carey and Sparks (1986) model to estimate i) the plume height above sampling altitude and ii) the wind speed at the...

  4. A new method to identify the vent location of tephra fall deposits based on thickness or maximum clast size measurements (SVL)

    17 Apr 2018 | Offline Tools | Contributor(s): Qingyuan Yang, Marcus I Bursik, E Bruce Pitman

    This tool presents a new method to identify the vent location of tephra fall deposits based on thickness or maximum clast size measurements. It is temporarily named "svl", which is short for Source Vent Locator. The method estimates the vent location by coupling semi-empirical models...

  5. ASHEE

    14 Aug 2015 | Offline Tools | Contributor(s): Matteo Cerminara, Tomaso Esposti Ongaro

    A fluid-dynamic model is developed to numerically simulate the non-equilibrium dynamics of polydisperse gas-particle mixtures forming volcanic plumes. Starting from the three-dimensional N-phase Eulerian transport equations for a mixture of gases and solid particles, we adopt an asymptotic...

  6. Chaotic Mixing Device

    09 May 2014 | Miscellaneous | Contributor(s): Daniele Morgavi, Diego Perugini, Cristina P. De Campos, Werner Ertel-Ingrisch, Donald B. Dingwell

    Description of device for chaotic mixing experiments developed at LMU München

  7. DEM converter for Titan2D

    15 Apr 2011 | *Tools | Contributor(s): Jose Luis Palma

    Convert a Digital Elevation Model (DEM) in ASCII format to a Titan2D readable format

  8. ECMapProb

    21 May 2018 | *Tools | Contributor(s): Alvaro Aravena, Raffaello Cioni

    Probability map of PDC by using a modifed approach of the energy cone model and topographic information derived from the SRTM 30 m elevation model.

  9. eject model

    01 Feb 2011 | Offline Tools | Contributor(s): Larry Garver Mastin

    Eject is a user-friendly model that calculates the trajectories of blocks that are ballistically ejected from volcanic craters. It has also been used to calculate ballistic trajectories of other objects in other other settings, including missiles and bullets.Details are at:The attached zip...

  10. Geochemistry and Petrology first response draft

    28 Aug 2014 | Miscellaneous | Contributor(s): Gudmundur H Gudfinnsson, Armann Hoskuldsson, Níels Örn Óskarsson

    Here are the documents which were presented at the meeting on the 27th of August. Please feel free to download, edit, and then update the files stored here.

  11. Implementation of material maps into the Titan2D simulation tool

    29 Dec 2013 | Presentations | Contributor(s): Sylvain Charbonnier

    These powerpoint slides describe how to create and use a GIS-classified map with varying basal friction angles with the Titan2d simulation tool. Users can also refer to the Titan user manual for additional information.

  12. INQUA–INTAV International Field Conference and Workshop: Crossing New Frontiers

    14 Mar 2018 | Workshops | Contributor(s): Marcus I Bursik

    The INQUA International Focus Group on Tephrochronology and Volcanism (INTAV) cordially invites you to participate in the Crossing New Frontiers - Tephra Hunt in Transylvania international field conference that aims to continue the long tradition of very successful inter-INQUA congress tephra...

  13. La erupción del volcán Calbuco en 2015: Volcanología, sociedad y ecosistemas

    25 Apr 2017 | Publications | Contributor(s): Jorge E. Romero

    La erupción del 22-23 de abril de 2015 del Volcán Calbuco tuvo impactos en las actividades sociales y ecosistemas en el sur de Chile y en Argentina, debido a la espesa caída de piroclastos, corrientes calientes de gases y rocas, además de flujos de lodo...

  14. Los depósitos de caída de tefra: Una breve revisión sobre su cuantificación y análisis para la clasificación de erupciones volcánicas explosivas, con ejemplos Latinoamericanos

    15 Nov 2015 | Publications | Contributor(s): Jorge E. Romero

    La cuantificación de los depósitos volcánicos es una de las herramientas más utilizadas en la actualidad para clasificar la magnitud de la actividad volcánica y determinar los peligros volcánicos asociados. En el caso especial de las erupciones...

  15. Maar-diatremes - a course module

    13 Jun 2016 | Educational Materials | Contributor(s): Greg A Valentine, Alison Graettinger

    Maar-diatremes are one of the most common volcanic landforms on Earth, and represent an end-member type of volcano whose eruptions are dominated by explosive, subsurface magma-water interaction.  Thus they should form an important component of volcanology courses.  The recent decade has...

  16. MAMMA (Magma Ascent Mathematical Modeling and Analysis)

    01 Feb 2018 | *Tools | Contributor(s): Alvaro Aravena, Mattia de' Michieli Vitturi

    1D-steady state model for volcanic conduits

  17. Mapping a 49 year old eruption of a basaltic cone: Pacaya Guatemala

    27 Apr 2011 | Presentations | Contributor(s): William I Rose

    This presentation summarizes the 50 year eruption and the 3 dimensional map produced. The map, prepared as part of an MS thesis by Ruben Otoniel Matias Gomez, is under review as a Map and Chart Series publication by the GSA. The lecture summarizes the situation at Pacaya, and uses Matias' map as...

  18. Mono-Inyo Tephra Database

    01 Aug 2017 | *Data Sets/Collections | Contributor(s): Marcus I Bursik

    The Mono-Inyo Craters is a zone of active volcanism in California, USA, that extends from Mammoth Mountain and Long Valley caldera in the south to the islands of Mono Lake in the north.  This resource provides the citation for the Mono-Inyo tephra database.  The database can...

  19. Norma

    14 Oct 2012 | *Tools | Contributor(s): Joaquin Alberto Cortes

    A tool to calculate the Barth-Niggli and CIPW norms from whole-rock chemistry

  20. Olive

    23 Jul 2013 | *Tools | Contributor(s): Joaquin Alberto Cortes

    Olive 2.1.1 a simple fractional crystallization calculator.