SEISMIC INSTRUMENTATION OF LANDSLIDES - BUILDING A BETTER MODEL OF DYNAMIC LANDSLIDE BEHAVIOR

Although the geologic, topographic, and threshold shaking conditions r equired to trigger landslides in earthquakes are probabilistically pre dictable, models used to estimate the behavior of slopes under dynamic shaking conditions are overly simplistic because of the lack of direc t measurement of landslide behavior during seismic shaking. Two perman ent instrument arrays have been installed on seismically active landsl ides to simultaneously record acceleration, pore pressure, and permane nt landslide displacement, which will permit more accurate modeling of seismic landslide response.