TY - JOUR
T1 - Catastrophic volcanic collapse
T2 - Relation to hydrothermal processes
AU - López, Dina L.
AU - Williams, Stanley
PY - 1993
Y1 - 1993
N2 - Catastrophic volcanic collapse, without precursory magmatic activity, is characteristic of many volcanic disasters. The extent and locations of hydrothermal discharges at Nevado del Ruiz volcano, Colombia, suggest that at many volcanoes collapse may result from the interactions between hydrothermal fluids and the volcanic edifice. Rock dissolution and hydrothermal mineral alteration, combined with physical triggers such as earthquakes, can produce volcanic collapse. Hot spring water compositions, residence times, and flow paths through faults were used to model potential collapse at Ruiz. Caldera dimensions, deposits, and alteration mineral volumes are consistent with parameters observed at other volcanoes.
AB - Catastrophic volcanic collapse, without precursory magmatic activity, is characteristic of many volcanic disasters. The extent and locations of hydrothermal discharges at Nevado del Ruiz volcano, Colombia, suggest that at many volcanoes collapse may result from the interactions between hydrothermal fluids and the volcanic edifice. Rock dissolution and hydrothermal mineral alteration, combined with physical triggers such as earthquakes, can produce volcanic collapse. Hot spring water compositions, residence times, and flow paths through faults were used to model potential collapse at Ruiz. Caldera dimensions, deposits, and alteration mineral volumes are consistent with parameters observed at other volcanoes.
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U2 - 10.1126/science.260.5115.1794
DO - 10.1126/science.260.5115.1794
M3 - Article
C2 - 17793659
AN - SCOPUS:0027426994
VL - 260
SP - 1794
EP - 1796
JO - Science
JF - Science
SN - 0036-8075
IS - 5115
ER -