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Volcanic debris flows in developing countries - The extreme need for public education and awareness of debris-flow hazards

By:
, , and
Edited by:
Rickenmann D.Chen C.L.

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Abstract

In many developing countries, volcanic debris flows pose a significant societal risk owing to the distribution of dense populations that commonly live on or near a volcano. At many volcanoes, modest volume (up to 500,000 m 3) debris flows are relatively common (multiple times per century) and typically flow at least 5 km along established drainages. Owing to typical debris-flow velocities there is little time for authorities to provide effective warning of the occurrence of a debris flow to populations within 10 km of a source area. Therefore, people living, working, or recreating along channels that drain volcanoes must learn to recognize potentially hazardous conditions, be aware of the extent of debris-flow hazard zones, and be prepared to evacuate to safer ground when hazardous conditions develop rather than await official warnings or intervention. Debris-flow-modeling and hazard-assessment studies must be augmented with public education programs that emphasize recognizing conditions favorable for triggering landslides and debris flows if effective hazard mitigation is to succeed. ?? 2003 Millpress,.

Additional Publication Details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Title:
Volcanic debris flows in developing countries - The extreme need for public education and awareness of debris-flow hazards
Volume
2
Year Published:
2003
Language:
English
Larger Work Title:
International Conference on Debris-Flow Hazards Mitigation: Mechanics, Prediction, and Assessment, Proceedings
First page:
1185
Last page:
1196
Number of Pages:
12
Conference Title:
3rd International Conference on Debris-Flow Hazards Mitigation: Mechanics, Prediction, and Assessment
Conference Location:
Davos
Conference Date:
10 September 2003 through 12 September 2003