Digital seismograms of aftershocks of the Imperial Valley, California earthquake of October 15, 1979
By: Jon B. Fletcher, Ricardo L. Zepeda, David M. Boore
Contributors: Zepeda, Ricardo L; Boore, David M; Geological Survey (U.S.)
Series: Open file report / U.S. Geological Survey -- 81-655; Open-file report (Geological Survey (U.S.)) -- 81-655
Publisher: U.S. Geological Survey
Published: 1981
Place of publication: [Menlo Park, Calif.?]
Language: eng
Format: Microform
Subjects: Earthquakes -- Imperial Valley (Calif. and Mexico)
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1981?]. 2 microfiches ; 11 x 15 cm

Bibliography: leaf 10