CATALOG OF EARTHQUAKE HYPOCENTERS AT REDOUBT VOLCANO AND MT. SPURR, ALASKA: OCTOBER 12, 1989-DECEMBER 31, 1990
Power, J. A., March, G. D., Lahr, J. C., Jolly, A. D., and Cruse, G. R., 1993, Catalog of earthquake hypocenters at Redoubt Volcano and Mt. Spurr, Alaska: October 12, 1989-December 31, 1990: U.S. Geological Survey Open-File Report OF 93-685-A, 57 p.