Prediction of volcanic eruption Aso and Sakurazima and some related geophysical problems

Kubotera, Akira; Yoshikawa, Keizo

doi:10.1007/bf02597293

Cited by 11 publications

References 7 publications

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Prediction of volcanic eruptions and seismic methods of location of magma chambers — A review

Gorshkov

1971

Bull Volcanol

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Catastrophic volcanic eruptions are one of the most formidable natural phenomena, which sometimes take away the lives of hundreds and thousands of people and lead to enormous property losses. A prompt prediction of time, place, intensity and nature of eruption would allow us to reduce to a minimum such losses. Therefore the prediction of eruptions is onel of the basic practical problem of volcanology.The International Association of Volcanology has already discussed the questions connected with prediction of eruptions in two symposia, in Paris in 1959 and in Tokyo in 1962. The Paris symposium of 1959 has worked out special recommendations which are still valuable (GEZE, 1960). At present, UNESCO is paying much attention to this problem. Consequently a review of the work made and of the results obtained, and the discussion of the direction of further studies on prediction seem to be extremely important. This review deals with the works accomplished and published only in the last 10 years, i.e. from 1959.Prediction studies are based on the observation of reliable premonitory symptoms of eruptions. Such forerunners may be either of geophysical nature --earthquakes; tilt of surface caused by defor-* Paper presented at the Symposium ~ Volcanoes and Their Roots ~,

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Prediction of volcanic eruptions and seismic methods of location of magma chambers — A review

Gorshkov

1971

Bull Volcanol

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Volcano survey

Tazieff

1966

Earth-Science Reviews

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Duration, magnitude, and frequency of subaerial volcano deformation events: New results from Latin America using InSAR and a global synthesis

Fournier

Pritchard

Riddick

2010

Geochem Geophys Geosyst

148

128

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[1] We combine new observations of volcano deformation in Latin America with more than 100 previous deformation studies in other areas of the world to constrain the frequency, magnitude, and duration of subaerial volcano deformation events. We discuss implications for eruptive hazards from a given deformation event and the optimum repeat interval for proposed InSAR satellite missions. We use L band (23.6 cm wavelength) satellite-based interferometric synthetic aperture radar (InSAR) to make the first systematic search for deformation in all volcanic arcs of Latin America (including Mexico, Central America, the Caribbean, and the northern and southern Andes), spanning 2006-2008. We combine L and C band (5.6 cm wavelength) InSAR observations over the southern Andes volcanoes to extend the time series from 2002 to 2008 and assess the capabilities of the different radars: L band gives superior results in highly vegetated areas. Our observations reveal 11 areas of volcano deformation, some of them in areas that were thought to be dormant. There is a lack of observed deformation at several erupting volcanoes, probably due to temporal aliasing. The total number of deforming volcanoes in the central and southern Andes now totals 15 (from observations between 1992 and 2008), comparable to the Alaska/Aleutian arc. Globally, volcanoes deform across a variety of time scales (from seconds to centuries) often without eruption and with no apparent critical observation time scale, although observations made every minute are sometimes necessary to see precursors to eruption.

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Prediction of volcanic eruption Aso and Sakurazima and some related geophysical problems

Cited by 11 publications

References 7 publications

Prediction of volcanic eruptions and seismic methods of location of magma chambers — A review

Prediction of volcanic eruptions and seismic methods of location of magma chambers — A review

Volcano survey

Duration, magnitude, and frequency of subaerial volcano deformation events: New results from Latin America using InSAR and a global synthesis

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