According to the Tunnel Seismic Prediction (TSP) - 303 Plus report, prepared by Amberg Tech AG, a tunnelling surveying business in January 2020, the fault zone was located between 13.88 km (13,882 ...

Officials said there were more fault zones and softer aggregate formations, such as the one that caused the collapse. Unless these locations are studied fully, proceeding with the work was not ...

Abstract: We review recent geophysical insights into the physical properties of fault zones at all depths in the crust and subcrustal lithosphere. The fault core zone, where slip occurs, is thin (tens ...