2. Global Seismograph Network - GSN:

DATES OF OPERATION:     10 Aug 2004 to 01 Oct 2008.

SEISMOMETER TYPE AND ADC:
Teledyne Geotech KS-54000 borehole 3 component system for broadband, long
period,and very long period channels recorded at 20 sps, 1 sps and 0.1 sps
respectively.  Streckeisen model STS-2 triaxial seismometer for short period,
long period, and very long period channels recorded at 40 sps,
1 sps and 0.1 sps respectively. IDA MK8 data aquisition system.

CALIBRATION EPOCHS:     2004, 223 - 2008, 275 

DIGITAL FORMAT:  32 bit integer data words for broadband (20 sps), long period
(1 sps), very long period (.1 sps), and short period (40 sps) channels.

Click on any of the following items for further information.

• Amplitude Response to Ground Velocity
• Seismic Noise Study graph information
  • Seismic Noise Level - Annual
  • Seismic Noise Level - Seasonal/Diurnal
• Channel Data