@misc{indiciaeb0ecd35c365e, title = {Seismic sources and recurrence rates as adopted by USGS staff for the production of the 1982 and 1990 probabilistic ground motion maps for Alaska and the conterminous United States}, author = {Stanley L. Hanson and David M. Perkins}, year = {1995}, doi = {10.3133/ofr95257a}, url = {https://pubs.usgs.gov/publication/ofr95257A}, note = {Source identifier: ofr95257A} }