Geophysical Technology Inc has taken a new approach to high quality and robust sampling for Early Warning seismometers monitoring earthquakes, volcanology, and other associated hazards.  The EarthSeis monitor station is build off GTI’s commercial grade NuSeis 3C and 4C autonomous nodal recording devices.  These devises are available in various formfactors designed specifically for optimal ground coupling and peak operational performance.  The 3C NuSeis Monitor Station (NMS 3C) is based around a weatherproof packaged set of three orthogonal 2Hz geophones, recorded by a NuSeis 3C eCab providing 148 dB of dynamic range for each recorded channel.
 

The NuSeis NMS is packaged in a weatherproof IP-68 rated Nexan nodal assembly attached to a metal NMS stand that can be cemented into the ground for permanent installation, or gravel packed for semi-permanent installation or simple pressed into the ground or soil for a short duration hazard monitoring assignment.
 

The NuSeis NMS includes a solar panel to enable continuous duration recording and contains a reserve battery sufficient for 15 days of continuous use. There is 64 gB of data stored on board the station, sufficient for over one year of recording with a 20 ms sample rate.  Data is also real time transmitted from the station to an IOT gateway that enables data backhaul using cellular or any preferred communications network.
 

These stations can be permanently deployed in less than a day and can be rapid deployed for short duration in an hours’ time.  Units can be moved and re-deployed readily with little additional cost.