Magnetic noise measurements in the Einstein Telescope search area
Commissioned by the Einstein Telescope EMR Project Office, the German geophysical service company Ohmega Geoservices will be conducting magnetic noise measurements in the Einstein Telescope search area in the coming period. They will be using the globally applied measurement technique known as “magnetotellurics”. This technique allows them to investigate the structure of the subsoil and the behaviour of background noise in the ground.
Natural electromagnetic fields
Magnetotellurics is an advanced method of mapping the subsurface by measuring natural electromagnetic fields at the Earth’s surface. This involves the use of extremely sensitive sensors. This technique enables researchers to better understand the structure of the subsurface in the Einstein Telescope search area.
Two phases
The measurements are carried out in two phases. In the first phase, the measuring equipment is placed on the ground to record the magnetic “background noise” between the measuring points. In the second phase, measurements are also carried out via boreholes in the ground to determine whether the background noise changes at a deeper level.
Measurement locations
The measurement locations are spread across various sites within the Einstein Telescope search area. Local residents will not notice the measurements, as the equipment will be placed out of sight behind bushes or other natural barriers as much as possible. The measurements are very quiet and cannot be heard.
Seen any measuring equipment? Please don’t touch it!
It is possible that some measuring equipment may be visible. In that case, please do not touch the instruments, as it will interfere with the measurement. Contact information for questions or reports is provided on the measuring equipment.
