1. Global Seismograph Network - GSN:

DATES OF OPERATION:     06 May 2009 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. Episensor strong motion sensor recorded at
1 sps and 100 sps. Quanterra Q330HR data aquisition system.

CALIBRATION EPOCHS:     2009, 126 - 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 extremely short period (100 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