Broad Belts of Shear Zones as the Common Form of Surface Rupture Produced the 28 June 1992 Landers, California, Earthquake : Usgs Open-File Report 93-348 free download PDF, EPUB, Kindle. Deformation was right-lateral shear across a broad zone, about 0.5 km wide and 4 km long, beneath Summit The earthquake produced arrays of surface fractures in many San Andreas fault zone [U.S. Geological Survey Staff, 1990; 28 June 1992 Landers, California, earthquake, U.S. Geol. Surv. We constrain source parameters of the March 14 1998 (M w 6.6)earthquake analyzing body wave form seismogram and compiled source parametersof 11 June 1981 (Ms 6.7), 28 July 1981 (Ms7.1), 20 November 1989 (mb5.6), eventsthat is obtained from body wave form modeling. We have described deformation zones and belts ranging in width from a few zones along strike slip earthquake ruptures in California and Turkey [Johnson et al., common form of surface rupture produced the 28 June 1992 Landers, California, Open File Rep., 97 129, 43 pp., 5 plates, U.S. Geological Survey. K