CSMIP format data:
This format is described in CSMIP report 85-03:
Shakal, A.F. and M.J. Huang (1985). "Standard Tape Format
for CSMIP Strong-Motion Data Tapes", California Strong
Motion Instrumentation Program, report OSMS 85-03.
This report is available at the
CSMIP Web site.
CSMIP distributes their data in 'zip' format. If you download
a file through this site with a .exe suffix, then it is a
self-extracting zip format file which must be unzipped before it can
USGS format data:
Recent USGS files are in SMC format. Details are available from the Data Processing Page at the
USGS Web site.
Some recently added data from Turkey and uncorrected data from Taiwan is in the new COSMOS format available from
The previous, preliminary version of the COSMOS format is also available at
KikNet and KNet formats (Japan):
Information on the format for files from Japan is available at the
KikNet web site under "Online Manual".
PNSN (Univ of Washington):
The format for the University of Washington (Pacific Northwest Seismic Network)
files for the Nisqually (Seattle) earthquake is described at the
Izmit and Duzce 1999:
Information about formats used by several agencies reporting data
for the Duzce and Izmit earthquakes and aftershocks of 1999 may be found in the
USGS Open_File Report 01-163.
The format for files of the three El Salvador earthquakes is available from the
Universidad CentroAmericana web site.
New Zealand data:
The format for all files for New Zealand earthquakes from the Institute of Geological and Nuclear Sciences:
University of Southern California (USC) Vol. I (uncorrrected):