U.S. Geological Survey General Earthquake Observation System National Strong Motion Program

1994 Northridge GEOS Data

This site contains earthquake and aftershock data collected by the United States Geological Survey (USGS) General Earthquake Observation System (GEOS) project in Menlo Park, California.

The binary data are available via anonymous FTP from the National Strong Ground Motion FTP-server: ftp://smftp.wr.usgs.gov in directory GEOS/NRG.

Tables

Station list
Event list
Ordered arrival list
Trigger table for 1 2 5 9 or more triggers

U.S. Department of the Interior
The USGS Home Page is at http://www.usgs.gov
The USGS Geologic Division Home Page is at http://geology.usgs.gov
The USGS National Strong Motion Program Home Page is at http://nsmp.wr.usgs.gov

The GEOS Home Page is at http://nsmp.wr.usgs.gov/GEOS/geos.html
The URL of this page is http://nsmp.wr.usgs.gov/GEOS/NRG/northridge.html
e-mail: glassmoyer@usgs.gov
or address:
Gary Glassmoyer
345 Middlefield Road M/S 977
Menlo Park, California 94025