The binary data are available via anonymous FTP from the National Strong Ground Motion FTP-server:
https://ca.water.usgs.gov/nsmp/ in directory GEOS/LARSE.
For further information on these recordings refer to USGS Open-File Report 96-536: Report for Explosion Data Acquired in the 1994 Los Angeles Region Seismic Experiment (LARSE), Los Angeles, California; by Janice M. Murphy, Gary S. Fuis, Trond Ryberg, D. A. Okaya, Edward E. Criley, M. L. Benthien, Marcos Alvarez, Isa Asudeh, William M. Kohler, Gary N. Glassmoyer, M. C. Robertson, and Joyjeet Bhowmik; 120 pages.
The GEOS Home Page is at /GEOS/geos.html
The URL of this page is /GEOS/LARSE/larse.html
e-mail: glassmoyer@usgs.gov
or address:
Gary Glassmoyer
345 Middlefield Road M/S 977
Menlo Park, California 94025