Did you feel it?
Subtitle: citizens contribute to earthquake science
By: [written by David J. Wald and James W. Dewey].
Contributors: Dewey, James W.; Earthquake Hazards Program (Geological Survey); Geological Survey (U.S.)
Series: Fact sheet -- 2005-3016.; Fact sheet (Geological Survey (U.S.)) -- 2005-3016.
Publisher: Earthquake Hazards Program, U.S. Geological Survey
Published: 2005
Place of publication: Golden, CO
Language: eng
Format: Electronic resource
Subjects: Advanced National Seismic System (U.S.); Earthquakes -- Information services.; Earthquakes -- Maps.
Genres: Maps.
Notes: Title from title screen.

"ANSS."

"March 2005."

Mode of access: Internet from the USGS web site. Address as of 4/4/06: http://pubs.usgs.gov/fs/2005/3016/pdf/FS-2005-3016.pdf ; current access is available via PURL.