Foreshock seismic-energy-release functions
Subtitle: tools for estimating time and magnitude of main shocks
By: by David J. Varnes.
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 87-429; U.S. Geological Survey open-file report -- 87-429..
Publisher: Dept. of the Interior, U.S. Geological Survey; [Books and Open-file Reports Section, distributor]
Published: 1987
Place of publication: [Denver, Colo.?]
Language: eng
Format: Microform
Subjects: Seismometry.; Earthquake intensity -- Measurement.
Notes: Includes bibliographical references.