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Earthquake of magnitude 7.8 in Turkey and Syria doubled the speed of gravity

The earthquake mattered 2 g | Fountain: AFP or licensors | Photographer: RAMI AL SAYED

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geographers Spaniards do not consider an earthquake doublet in Turkey and that there was an aftershock almost as strong as earthquake main, 7,8, but they emphasize “acceleration twice the force of gravity” (2 g) as a key factor in understanding the magnitude abnormal.

“Seismicity is highly contagious,” the magnitude of the main quake “completely destroyed the terrain, so the Earth’s crust adjusts to the new stresses in the terrain, and so the aftershocks propagate horizontally and vertically,” the EFE geologist told EFE. expert Antonio Aretxabala.

He catastrophe broke the surface 200 kilometers long by 30 wide, so you have to “imagine epicenter at some point, but in fact its size is huge.”

The shallowness on which it formed exacerbated the damage, but the geologist considers it “outrageous” that earthquake reached a value of 2 g, that is, twice the acceleration of free fall, figures that “even astronauts do not reach when they get on the ship.”

In his opinion, “there is no building to support this level, it would be possible to build structures that can withstand it, but they will have a very high price,” he notes, mentioning that the Turkish earthquake resistance standard for construction provides for half the acceleration of gravity in the rock. four times less than the level reached, “and yet she was ambitious.”

In his opinion, one can reproduce another earthquake of this caliber in the short term in the same place because “there are a lot of failures and this is an area that can breed them.”

On this issue, the President College of Geologists of SpainManuel Regueiro states that “it is common for energy to dissipate and earthquake so big, but being a plate contact area, nothing can be ruled out.”

Due to the site’s geological history, “tremors are expected within months.” earthquakes less than “the population will feel.”

Both geologists agree that “doublets are not so rare,” as happened just in Turkey given their strong tectonic movement, they cannot predict whether there will be a great earthquake.

EFE


Source: RPP

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