Geophysical Mapping: Problem Details Problem Name: Landslides Problem Type: Natural Hazards Assigned Methods: + DC geoelectrics - Sounding Electrical Methods + Fluid logging, Flow meter Borehole Methods + Geoelectrics - Tomography (surface based) Electrical Methods + Ground penetrating radar (surface-based) Electromagnetic Methods + Nuclear logging Borehole Methods + Passive seismic monitoring Seismic Techniques + Refraction seismic tomography (surface-based) Seismic Techniques + Shear-wave reflection seismics Seismic Techniques + Standard refraction seismics Seismic Techniques + Very-high resolution reflection seismics Seismic Techniques 0 Acoustic logging Borehole Methods 0 Borehole imaging, Structure logging Borehole Methods 0 DC geoelectrics - Profiling Electrical Methods 0 Electrical and induction logging Borehole Methods 0 Frequency-domain electromagnetics - Profiling Electromagnetic Methods 0 Frequency-domain electromagnetics - Sounding Electromagnetic Methods 0 Micro gravity Gravity 0 Seismic crosshole tomography Seismic Techniques 0 Seismic surface waves methods Seismic Techniques 0 Self potential Electrical Methods 0 Shallow reflection seismics Seismic Techniques 0 Technical logging Borehole Methods 0 Time-domain electromagnetics - Profiling Electromagnetic Methods 0 Time-domain electromagnetics - Sounding Electromagnetic Methods 0 Vertical seismic profiling (VSP) Seismic Techniques    '+' = Technique applicable; '0' = Application possible/limited use