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The San Andreas Fault Observatory at Depth (SAFOD) is a research project aimed at collecting geological data about the San Andreas Fault for the purpose of predicting and analysing future earthquakes. Located near the town of Parkfield, Monterey County, California, where quakes of Magnitude 2 frequently occur, the project has installed geophone sensors and GPS clocks in a 3-kilometre borehole that cuts directly through the fault. This data, along with samples collected during drilling, could shed new light on geochemical and mechanical properties around the fault zone. SAFOD is part of the Earthscope Project, an earth science program using geological and geophysical techniques to explore the structure of the North American continent and to understand the origin of earthquakes and volcanoes. Earthscope is funded by the National Science Foundation in conjunction with the USGS and NASA. Data collected at SAFOD are available from The Northern California Earthquake Data Center at U.C. Berkeley and at the IRIS DMC. ==See also== * Chikyu Hakken, deep oceanic drilling program * Earthscope * Integrated Ocean Drilling Program * Kola Borehole (1970-2005, 12262m) * KTB Borehole (1987-1995, 9101m) * Mohorovičić discontinuity * Project Mohole 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「San Andreas Fault Observatory at Depth」の詳細全文を読む スポンサード リンク
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