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Título

Inflation or deflation? New results for Mayon volcano applying elastic-gravitational modeling

AutorFernández Torres, José ; Tiampo, Kristy F.; Jentzsch, Gerhardt; Charco, María ; Rundle, J. B.
Palabras claveGeodesy
Gravity anomalies
Crustal structure
Mathematical geophysics
Volcanology
Seismology
Fecha de publicación15-jun-2001
EditorAmerican Geophysical Union
CitaciónAmerican Geophysical Union (AGU), 28(12):2349-2352(2001)
ResumenVolcanic activity produces deformation and gravity changes that many times can be used as precursors of future eruptions. Applying geodetic techniques to monitoring activity involves interpretation using deformation models. Usually, the observed changes of the deformation and gravity fields are interpreted seperately, not in a joint inversion. It can be difficult, if not impossible, to interpret the data coherently or correctly in terms of the characteristics of the intrusion or the deflation derived from the gravity changes with purely elastic models, as in the case of Mayon Volcano, Phillipines. We show that elastic-gravitational models can be used to interpret these cases simultaneously leading to a result that is more plausible on the basis of the available information. Thus, we may need to change the philosophy normally used to interpret geodetic observations. Interpretation as proposed in this work can significantly improve the possibility of predicting future eruptions.
Versión del editorhttp://dx.doi.org/10.1029/2000GL012656
URIhttp://hdl.handle.net/10261/24055
DOI10.1029/2000GL012656
ISSN0094-8276
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