February 23. Specialists municipality Sandater arrived in the area Rostra (Rostrio), to personally examine the resulting impressive precipice near the coast. Jose Antonio Osorio, head of department at the Ministry of Agriculture, Food and Environment, sent two technicians to take photographs and collect data on the state of the ravine.
With the information that has been collected, a report on what actions are needed to achieve security in the place of the abyss, and indicate the need for caution with the advice of researchers from the University of Cantabria, geologists Viola Bruschi and Enrique Frances.
Since then, the newspaper published the news of the existence of the ravine, a lot of curious visitors a geological formation in the Rostra. The main danger is that the clay soil that surrounds the gap is not stable and it is likely to slip.
"This area is full of large and small craters (soplaos), which according to experts, are the result of the dissolution of limestone by groundwater deep in the rocks and on the surface there are the so-called funnel, round failures over time can be associated with the collapse of the surface material. These circular depressions, very symmetrical, very common in Cantabria and indicate surface karst processes that develop in depth "- the conclusion made by the researchers of geology.