Microearthquake Activity in Rendingan- Ulubelu-Waypanas (RUW) Geothermal Field, Lampung, Indonesia
- Location
- Ulubelu, Indonesia; Sumatra
- Conference
- New Zealand Geothermal Workshop
- Year
- 2001
- Session
- Geophysics
- Language
- English
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Abstract
A local network of nine seismic stations recorded 53 microearthquake events in the Rendingan-Ulubelu-Waypanas (RUW) geothermal area betwen 13 December 1992 and 24 February 1993. Three main sequences of microearthquake swarm were identifkd. The hypocenters were determined Using a random analysis technique. There are four areas of microearthquake concentration, only one of them is located outside the geothermal field Most epicenters are &wed either SW-NE or SE-NW, following the two main structutal trends of this arm It is possible that some of these microearthquake swarms were caused by magma injections into deep fractures.
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