His doubt was a tectonic fault running through the core of his personality.

Methana is cut by many tectonic faults and so it is an area in high danger of earthquakes.

Hundreds of publications have reported increased radon concentration in the vicinity of active tectonic faults a few weeks prior to strong seismic events.

Possible leakage routes, it said, would be along "permeable tectonic faults" or sandy regions where wastes could filter through.

It was created on a tectonic fault that runs down the middle of the valley.

An active tectonic fault, the Wildcat Fault, runs the length of the canyon.

A tectonic fault was later found as the most likely cause of the disaster.

The steeply cascading tectonic fault in this area indicated the way for the water to flow.

The rilles are thought to have been created due to tectonic faults deep below the surface.

Also, recent images show tectonic faults running through the ridge, apparently inconsistent with the collapsed ring hypothesis.