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  1. Tephra 2017 Workshop : Best practices in tephra collection, analysis, and reporting leading toward better tephra databases

    15 Jun 2017

    Best practices in tephra collection, analysis, and reporting: Leading toward better tephra databasesThis is a page for the Tephra 2017 workshop, held in Portland, OR, 19 August 2017.  The workshop was a follow-on to the Tephra 2014 workshop, held 3-7 August 2014, also in...

  2. Tephra in Quaternary Science 2011 Edinburgh Workshop Report: The Eyjafjallajökull eruptions of 2010

    18 Aug 2011

    Report and Community Statement from the workshop on the Eyjafjallajokull eruptions of 2010 and implications for tephrochronology, volcanology and Quaternary studies, Institute of Geography, University of Edinburgh, 5th‐6th May 2011. The first meeting of Tephra in Quaternary Science (TIQS), the...

  3. Tephra inversion with Tephra2 and the Metropolis-Hastings algorithm

    21 Oct 2020

    We couple the Metropolis-Hastings algorithm (Hastings, 1970) with the volcanic ash transport model Tephra2 (Bonadonna et al, 2005; 2010), and present the coupled algorithm as a new method to estimate the Eruption Source Parameters (ESPs) of volcanic eruptions based on mass per unit area...

  4. Tephra isopach, extent and volume calculation in R

    21 Oct 2020

    The method presented here is used to interpolate the thickness distribution of tephra fall deposits from point measurements. It first reconstructs the general thickness decay pattern, or "trend," and then models the residuals that cannot be explained by the trend with...

  5. Tephra2

    21 Oct 2020 | Tools

    Tephra2 uses the advection diffusion equation to forecast tephra dispersion in a given location based on a user-defined set of eruptive conditions.

  6. Tephra2 Source Code

    14 Jul 2010 | Offline Tools

    Tephra2 uses the advection diffusion equation to forecast tephra dispersion in a given location based on a user-defined set of eruptive conditions.Tephra2 codes are now maintained on GitHub: https://github.com/geoscience-community-codes/tephra2 Available are:1-processor...

  7. Tephra2: Student Version

    21 Oct 2020 | Tools

    The Tephra2 ash dispersion model run via a GUI designed for student use.

  8. TephraProb: a Matlab package for probabilistic hazard assessments of tephra fallout

    21 Oct 2020 | Offline Tools

    Download the code on GitHub: https://github.com/e5k/TephraProbFollow updates on: https://e5k.github.io/TephraProb is a toolbox of Matlab functions designed to produce scenario–based probabilistic hazard assessments for ground tephra accumulation. The toolbox includes a series of...

  9. The Chaiten eruption, Chile, May 2008: field observations.

    21 Oct 2020 | Presentations

    A short summary presentation of rapid-response fieldwork following the 2008 eruption of Chaiten, southern Chile. This short presentation was given in September 2009, and has been updated with appropriate citation to work published since then.F Alfano, C Bonadonna, ACM Volentik, CB Connor, SFL...

  10. TOTGS: Total grainsize distribution of tephra fallout

    21 Oct 2020 | Offline Tools

    NOTE The code is now maintained on GitHub: https://github.com/e5k/TOTGS Follow updates on: https://e5k.github.io/  Quantifying the total grainsize distribution (TGSD) is a necessary step to achieve a thorough characterization of a given tephra deposit. Several methods exist to...

  11. Volcanic clouds observed by the A-Train satellite constellation

    21 Oct 2020 | Data Sets/Collections

    A collection of images showing volcanic eruption clouds detected by NASA's A-Train satellite constellation, which includes the Aqua, CALIPSO, CloudSat and Aura satellites. These examples demonstrate the unique ability of the A-Train to provide coincident, multi-spectral, active and passive remote...

  12. Workshop on the Impacts associated with the primary fallout of volcanic ash and subsequent aeolian remobilisation, Consensual Document

    21 Oct 2020 | Publications

    The inherent complexity associated with volcanic eruptions and their relationship with societies requires innovative strategies about how we assess and manage risk. The 2011 Cordón Caulle eruption (2011-CC) demonstrated the additional complexity associated with secondary hazards and...

  13. Workshop on Wind-remobilisation processes of volcanic ash, Consensual Document

    21 Oct 2020 | Publications

    Explosive volcanic eruptions can eject large quantities of tephra into the atmosphere that can be dispersed and deposited over wide areas. Whilst the hazardous consequences of primary tephra fallout are well known, subsequent remobilisation of ash by aeolian processes can continue to present an...

  14. ZDGG Band 157. 2006. Heft 3 - Proceedings of the 2nd International Maar Conference: 337-511.

    21 Oct 2020 | Publications