TY - RPRT TI - Height changes in the epicentral region preceding the January 17, 1994 Northridge earthquake AU - Robert O. Castle AU - Robert F. Packard AU - Laura B. Dinitz PY - 2000 DO - 10.3133/ofr002 UR - https://pubs.usgs.gov/publication/ofr002 ID - ofr002 ER -