Natural earthquakes in Sweden is not seen, only caused by the drilling of shafts. At the time of the shocks in mine were 13 miners.
In Sweden on the night of Monday, May 18, was the most powerful country in the history of the earthquake. Was it caused by drilling rocks for mining, The Local reports?
It is noted that the magnitude of the earthquake was 4.1 on the Richter scale. It happened around 3:00 a.m. in the North, near the mine, owned by mining company LKAB, which is one of the largest ore mines in the world.
Natural earthquakes in Sweden almost never happens. The tremors caused by drilling mines have happened before, however, they were less powerful. Today’s earthquake with a magnitude of 4.1 points was a record.
“It’s quite a strong earthquake caused by extractive industries, even on a global scale,” said björn Lund, a seismologist from the University of Uppsala, in comments to News Agency TT.
The tremors were felt in a radius of about 20 kilometers, said the representative of the company Fredrik Birkedal.
“During ore extraction are formed holes and cracks, which creates a greater burden on the breed. This earthquake occurred at a depth of about 1108 meters under the surface of the earth,” he said.
In the mine at the time were 13 miners, none of them was hurt. At the same time, because of aftershocks out of order pump for pumping water. By the morning they managed to run. Is it safe to restore the normal operation, is not yet known.
We will remind, several days earlier in us state of Nevada was a strong earthquake of a magnitude of 6.4.
And May 7 in Iran, an earthquake of a magnitude of 5.1 on the border of the provinces of Tehran and Mazandaran. Tremors were also felt in the Central districts of the capital Tehran. Then one person was killed and 11 were injured.