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Active Seismics: Measurements of Soil Layers for the Einstein Telescope


In January, measurements of the deeper soil layers will begin in the Belgian and Dutch search areas for the Einstein Telescope. Sensors map the soil structure using vibrations. This research is called “active seismics.”

How does it work?

A (mostly) electric vehicle sends vibrations into the ground. Along the route, geophones record the reflections. Additionally, fiber optic cables at some previous drilling sites also measure vibrations at great depths. The measurements will take place from January to April, primarily on public roads in Voeren (BE), Vaals (NL), Gulpen-Wittem (NL), and the surrounding municipalities in Wallonia.

Elektrisch voertuig, de Manitou, met seismische, elektrische meetapparatuur
Electrically powered vehicle (Manitou) with seismic equipment (E-Vibe)

Barely noticeable

The impact is minimal: the electric vehicle is nearly silent, and the vibrations are barely noticeable. Measurements are conducted at night. The measurements around the drilling locations occur during the day.

Why is research necessary?

The measurements provide important data to better understand the soil structure in the search area. This data will help determine the best locations for the corners of the Einstein Telescope.

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