Cooling of the Shallow Heat Source Beneath Kuju Volcano, Southwestern Japan, Deduced from Thermal and Magnetic Data
- Location
- Kuju Volcano, Japan
- Conference
- New Zealand Geothermal Workshop
- Year
- 2000
- Session
- Geophysics
- Language
- English
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Abstract
Kuju volcano, in Southwestern Japan, began to erupt on 11 October, 1995. The eruption was phreatic but a large amount of steam continues to discharge. Thermal and magnetic measurements were conducted fiom just after the eruption in order to assess the thermal processes beneath the central part of the volcano . Analysis of thermal and magnetic data show quick cooling of a new magma intrusion. Such quick cooling is not caused by conduction but by cold ground-water circulation.
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