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The lower east rift zone of Kilauea has been the site of repeated fissure eruptions fed by dikes that traverse the depths of interest to geothermal explorations. We find that a hot-rock-and-magma system of low permeability extending along the rift zone at depths below about 4 km and replenished with magma at a rate that is small in comparison to the modern eruption rate Kilauea can supply heat to an overlying hydrothermal aquifer sufficient to maintain temperatures of about 250??C if the characteristic permeability to 4-km depth is about 10-15m2.
Additional Publication Details
Thermal budget of the lower east rift zone, Kilauea Volcano
Publ by Geothermal Resources Council
Davis, CA, United States
Number of Pages:
Proceedings of the 1993 Annual Meeting on Utilities and Geothermal: An Emerging Partnership