Modeling of the 2001 lava flow at Etna volcano by a Cellular Automata approach

  • Authors:

  • Annamaria Vicari;Herault Alexis;Ciro Del Negro;Mauro Coltelli;Maria Marsella;Cristina Proietti

  • Affiliations:

  • Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Catania, Piazza Roma, 2, 95123 Catania, Italy;Laboratoire de Science de Information, Université de Marne-La-Vallée, Paris XIII, France;Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Catania, Piazza Roma, 2, 95123 Catania, Italy;Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Catania, Piazza Roma, 2, 95123 Catania, Italy;Dipartimento di Idraulica, Trasporti e Strade, Universití di Roma "La Sapienza", Rome, Italy;Dipartimento di Idraulica, Trasporti e Strade, Universití di Roma "La Sapienza", Rome, Italy

  • Venue:
  • Environmental Modelling & Software
  • Year:
  • 2007

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Abstract

The 2D Cellular Automata model, MAGFLOW, simulates lava flows and an algorithm based on the Monte Carlo approach solves the anisotropic flow direction problem. The model was applied to reproduce a lava flow formed during the 2001 Etna eruption. This eruption provided the opportunity to verify the ability of MAGFLOW to simulate the path of lava flows which was made possible due to the availability of the necessary data for both modeling and subsequent validation. MAGFLOW reproduced quite accurately the spread of flow. A good agreement was highlighted between the simulated and observed length on steep slopes, whereas the area covered by the lava flow tends to be overestimated. The major inconsistencies found in the comparison between simulated and observed lava flow due to neglecting the effects of ephemeral vent formation.