Twenty years ago, Lawrence Livermore National Lab had a thriving geothermal program. But as funding dwindled, the program did as well.

"Accurate identification and mapping of the large numbers of microearthquakes caused by geothermal production can provide us with diagnostic information so we can determine the location, orientation and length of underground crack systems for reservoir development and management applications." -- Dennise Templeton, Post-Doctorate Studying Geothermal Energy, LLNL