Micro-Earthquake At Coso Geothermal Area (1996)
Exploration Activity: Micro-Earthquake At Coso Geothermal Area (1996)
|Exploration Activity Details|
|Location||Coso Geothermal Area|
Determine the attenuation structure
Pulse width data are used to invert for attenuation structure. The dataset consists of pulse width measurements of 838 microseismic events recorded on a seismic array of 16 downhole stations between August 1993 and March 1994. A broad region of low Q (≈ 30 to 37) is located at 0.5 to 1.2 km in depth below Devil's Kitchen, Nicol Prospects, and Coso Hot Springs. A vertical, low Q (≈ 36 in contrast with surrounding rock of 80) region is interpreted as a channel through which hydrothermal energy is transported from depth to the surface. The location of the channel is between stations S1 and S4, and its dimension is about 1 km.
- Wu, H.; Lees, J.M. (1 January 1996) Attenuation structure of Coso geothermal area, California, from wave pulse widths