The Center now fields a Geometrics Geode Seismic system with 48 vertical 28 Hz geophones, 48 vertical 4.5 Hz geophones, 48 horizontal 4.5 Hz geophones. The Gemini-2 that consists of a single waterproof case with an integrated low frequency (2 Hz). The Guralps 6TD - An ultra lightweight, three component digital seismometer (0.03 Hz). The IGU-BD3C-5 SmartSolo broadband, and micro power consumption broadband smart seismic sensor (0.2-150 Hz).