Seismographs at the Albuquerque Seismological Laboratory
Detailed Description
(a) Photograph of instruments being tested in the East portion of the underground vault. (b) Wench and location of three boreholes in the West portion of the underground vault. (c) Cross-tunnel and recording equipment for the reference sensor vault. (d) The reference sensor vault which contains a vertical STS-1, reference STS-2, a vertical GS-13, and a posthole STS-6. Data from the reference vault is telemeterd in real-time to EarthScope under network code GS and station names ALQ1 and ALQ2.
Sources/Usage
Public Domain.