Earthquake strong-ground-shaking sensor sites have been maintained by
the Nevada Seismological Laboratory since 1999.
Each site consists of a digitally recorded
Kinemetrics EpiSensor that can
measure shaking up to 2.5 g. Recording is not continuous, but is triggered
by motions over 0.1 g. When local earthquake activity is quiet, records
are transferred by flashROM cards quarterly.
While earthquake sequences are occurring, downloading is more frequent.
Equipment and operational support have been provided by
the State of Nevada, the U.S. Geological Survey, the W. M. Keck Foundation,
the Cities of Reno, Sparks, and Carson,
Sierra Pacific Power Co., and the Union Pacific Foundation.
Stations are maintained by Rasool
Anooshehpoor.
Data archive and map prepared by
John Louie.
Usage Policy
The data posted here were recorded in the public interest and with
support from public funds. Since the data are in the public domain,
neither the Nevada Seismological Laboratory, the State of Nevada,
nor the U.S. Government can warrant the data as fit for any use or
purpose. Any use of these data must be at the user's own risk.
Before you download the data here, please notify Dr. Anooshehpoor
by email to
rasool@seismo.unr.edu
of your name, title, affiliation, email address, and a brief
description of your intended use of the data.
Data Reports
- 10 Aug. 2001 M5.4 Portola, Calif.
(2.1 Mb PDF)
Data Archives
The data are organized into folders by year, month, and event day.
There is one file for each station from each event.
Data files are entirely ASCII text, and begin with station location,
component orientation, sensor, and timing information.
The remainder of each file has three columns, listing accelerations
(cm/s/s) sampled for each channel. Current station names, locations,
and orientations are given in the station.loc
text file.
Some station names appear on the maps below.
Station Maps
Click on the image for a 5 Mb
Adobe Acrobat PDF version,
here for an 8 kb
DeLorme Street Atlas USA 3 file,
or here for a 6 Mb Illustrator 5.5
file.
