Parkfield California Dense Seismograph Array (UPSAR)
Nickname
UPSAR
Format
SEGY
Type
USGS
Start year
1989
End Year
2005
Description
13 stations in small array near Parkfield, CA. Maximum aperture about 1 km. Both velocity and acceleration, 3 components, 200 sps. See BSSA Vol. 82, no. 2, pp. 1041-1070, April 1992.