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Volcanic hazards and their mitigation: progress and problems

Reviews of Geophysics

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Abstract

A review of hazards mitigation approaches and techniques indicates that significant advances have been made in hazards assessment, volcano monioring, and eruption forecasting. For example, the remarkable accuracy of the predictions of dome-building events at Mount St. Helens since June 1980 is unprecedented. Yet a predictive capability for more voluminous and explosive eruptions still has not been achieved. Studies of magma-induced seismicity and ground deformation continue to provide the most systematic and reliable data for early detection of precursors to eruptions and shallow intrusions. In addition, some other geophysical monitoring techniques and geochemical methods have been refined and are being more widely applied and tested. Comparison of the four major volcanic disasters of the 1980s (Mount St. Helens, U.S.A. (1980), El Chichon, Mexico (1982); Galunggung, Indonesia (1982); and Nevado del Ruiz, Colombia (1985)) illustrates the importance of predisaster geoscience studies, volcanic hazards assessments, volcano monitoring, contingency planning, and effective communications between scientists and authorities. -from Author

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Volcanic hazards and their mitigation: progress and problems
Series title:
Reviews of Geophysics
Volume
27
Issue:
2
Year Published:
1989
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
237
Last page:
269
Number of Pages:
33