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Download Arus-Bogoria geothermal prospect encompasses several features of
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Arus-Bogoria geothermal prospect encompasses several features of geological significance that are indicators of possible geothermal potential. These include surface manifestations, such as fumaroles, steam jets, mud pools, hot springs, spouting geysers, and high rate of micro-seismic activity of about 500 earthquakes recorded within a period of three months in comparison to other geothermal fields and prospects along the Kenya Rift Valley (KRV). A comparison of the results of gravity surveys undertaken between 2005 and 2006 for geothermal resource evaluation of Arus and Lake Bogoria geothermal prospects, to results of micro-seismic monitoring undertaken in 1985 during the Kenya Rift International Seismic (KRISP 85) Project was undertaken to map the existence of heat source(s). The results indicate that the heat source is due to a series of north-south trending dyke injections occurring at depths of ~3 – 6 km in the vicinity of the Arus steam jets. Most of the seismic activity is probably associated with tectonic activity due to reactivation of north-south trending faults.