1. Global Seismograph Network - GSN:

DATES OF OPERATION:	07 June 2011 to Present. 

SEISMOMETER TYPE AND ADC:
Streckeisen model STS-1/VBB 3 component system for broadband and long period
channels recorded at 20 sps and 1 sps, respectively. Streckeisen model STS-2
triaxial seismometer for short period and long period channels recorded at
40 sps and 1 sps, respectively.
FBA-23 strong motion sensor recorded at 1 sps and 100sps.
Quanterra Q330HR data aquisition system.


CALIBRATION EPOCHS:	2011, 158 - Present 

DIGITAL FORMAT:
32 bit integer data words for broadband (20 sps), long period
(1 sps), and short period (40 sps) channels. 16-bit
integer data words for short period (100 sps) triggered data.

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