1. Global Seismograph Network - GSN:

DATES OF OPERATION:     22 Jan 2004 to Present.

SEISMOMETER TYPE AND ADC:
Streckeisen model STS-1/VBB 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, 022 - Present

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