Cities on Volcanoes 6 - Puerto de la Cruz, Tenerife (Canary Islands, Spain) from May 31 to June 4, 2010   
SESSION 1.2 English 日本語 Português Español
Understanding volcanic hazards.

Convenors Thomas C. Pierson
  Email: tpierson@usgs.gov

Yuichi Nishimura
  Email: yns@mail.sci.hokudai.ac.jp

Description In the 20th century alone, more than 91,700 people were killed by volcano hazards and a total of about 5.6 million people were affected.
Despite the risk, people continue to be drawn to live and work in volcanic hazard zones all around the world. This session will examine advances in our understanding of the full suite of volcano hazards that put these people at risk. These hazards include magmatic processes, such as pyroclastic density currents, tephra fall, release of toxic gases, and lava flows, as well as volcano-hydrologic processes (not always occurring during eruptions), such as lahars, flank-collapse debris avalanches, volcanic flooding and sedimentation hazards, and volcanogenic tsunamis. Contributions to this session from field, experimental, and numerical modeling studies are invited in the areas of:
• Initiation mechanisms
• Process mechanics and characteristics
• Magnitude, frequency, and timing
• Detection, forecasting, and prediction methods

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