1. Global Seismographic Network - GSN:

DATES OF OPERATION:	12 Feb 2010 to Present.

SEISMOMETER TYPE AND ADC: 
Guralp Systems model CMG-3T 3-component seismometer for broadband, and 
long period channels recorded at 20sps and 1sps, respectively. 
Streckeisen model STS-2 triaxial seismometer for short-period and long
period channels recorded at 40sps and 1sps, respectively.
Episensor Strong Motion Detector recorded at 1sps continuous mode
and at 100sps triggered mode.
Quanterra Q330HR data aquisition system. 


CALIBRATION EPOCH:	2010, 043 -  Present 

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