Basic Geophysics: Borehole Seismics

How are seismic waves in boreholes under the Earth measured? Borehole seismic methods and geometries, VSP and crosshole measurements, operation principle and construction of a borehole geophone. German version:    • Brückenkurs Geophysik: Bohrlochseismik   A production of the Geophysical Institute (GPI) in collaboration with the Center for Technology-Enhanced Learning (ZML) at the Karlsruhe Institute of Technology (KIT).