This experiment deployed borehole tiltmeters in SAFOD pilot hole and Main Hole along with borehole seismometers. The instruments were located between 10 meters and 1000 meter from the target earthquakes.
EarthScope Consortium operates the NSF National Geophysical Facility (NSF NGF).
Any opinions, findings and conclusions, or recommendations expressed in this
material do not necessarily reflect the views of the U.S. National Science
Foundation.