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The Guatemalan Volcanic Arc: A blue-green, fire-born land

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Héctor Monzón

February 5, 2007 | Universidad Francisco Marroquín | Duración:..

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Content

Initial credits
Introduction
Guatemalan volcanic arc
- Santa Maria volcanic explosion
- Crater of Fuego volcano
- Evolution of volcanic vegetation
  - Acatenango volcano
  - Santa Maria volcano
  - Agricultural plantations
- Pacaya eruption
- Santa Maria eruption plume
Description of a volcanic explosion
- Cross section of Earth: Ideas in 1800
- Cross section of Earth: Current view
  - Core
  - Mantle
  - Lithosphere
- Plate tectonics: Solid state convection
  - Heat dissipating mechanism
  - Convection process
  - Central American tectonic plates
  - Cocos plate
- The collateral process of volcanism
  - Deposition of magma
  - Eruption process
  - Composition of volcanic eruption gases
  - Magma chambers: Formation of volcanoes
  - Heights of Guatemala's volcanoes by region
- Parallel magma chambers: Volcanic rows
  - Separation between volcanic centers
  - Topographical orientation
- Magma ejection
  - Lava
  - Expelled magma
    - Pulverized magma
    - Examples
      - Santiaguito volcano
      - Fuego volcano
    - Carrying away volcanic ash
  - Intense explosions
Magma movement to lower ground
- Modification of river courses
- Coastal plain modification
- Formation of delta plains
Calderas
- Crater lakes
- Description of the caldera phenomenon
  - Sealed magma chambers
  - Formation of depressions
  - Magma ejection
- Ash flows
  - Mount St. Helen ash flow
  - Chocoyos eruption
  - Amatitlan caldera
- Types of depressions
  - Laguna Retana
  - Lake Ayarza
  - Growth of new volcanoes: Lake Atitlan
Question and answer period
- Can you explain the land slides that occurred during 2005 around Lake Atitlan?
- Can you explain the phenomenon of white caps that occurs in Lake Atitlan?
- Are you confident that current building codes will reduce the damages of a future eartquake?
  - Uniform Building Code
  - Comment on the 1976 earthquake
- What is the definition and origin of the term "Plinian eruption"?
Final credits

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Héctor Monzón

Héctor Monzón

Héctor Mónzón es especialista en diseño estructural y evaluación de vulnerabilidad sísmica. Forma parte de varias instituciones, tales como American Society of Civil Engineers, American Concrete Institute (ACI) y Academia de Ciencias de Guatemala. Monzón es ingeniero civil, egresado de la Universidad de San Carlos de Guatemala; cuenta con maestría y doctorado en ingeniería por Stanford University. Entre los proyectos en los que ha trabajado, destacan: Tikal Futura, la Plaza de la Libertad de la UFM y el Hotel Intercontinental.

Fuente: www.ufm.edu
Última actualización: 10/03/2010

Credits

The Guatemalan Volcanic Arc: A blue-green, fire-born land
Héctor Monzón

Juan Bautista Gutiérrez Auditorium
Universidad Francisco Marroquín
Guatemala, February 5, 2007

A New Media - UFM production. Guatemala, February 2007
Camera 1: Jorge Samayoa; camera 2: Joni Vasquez; digital editing: Alexander Arauz; index: Christiaan Ketelaar; content revisers: Katty Schellenger, Jennifer Keller; publication: Pedro David España

This work is licensed under a Creative Commons 3.0 License
Este trabajo ha sido registrado con una licencia Creative Commons 3.0

Obtenido de "http://newmedia.ufm.edu/gsm/index.php/The_Guatemalan_Volcanic_Arc:_A_blue-green%2C_fire-born_land"

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