Submission + - 2.5 mile borehole drilled into San Andreas Fault (stanford.edu)
iandoh writes: "Cool research: Geologists at Stanford University and the US Geological Survey have drilled a 2.5 mile deep borehole into the San Andreas fault. They've extracted over one ton of rock from 2 miles down, and they'll be installing sensors down the length of the borehole.
Via Stanford University News Service"
