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In Japan, two islands moved away by 10 cm in three days

NHK: In Japan, two islands moved 10 cm away in three days
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Two small islands in the southwestern part of Japan have moved away from each other by almost 10 cm in three days due to seismic activity. This was announced on July 10 by the NHK broadcasting company.

The movements of the Earth's crust were analyzed by Ota Yusaku, a professor at the Graduate School of the Higher School of Sciences at Tohoku University.

"He found that Kodakarajima Island had shifted by 6 cm to the north-northwest, and Takarajima Island by 3.5 cm to the south over a three-day period after the magnitude 5.6 earthquake that occurred on July 2," the material says.

It is noted that earlier both islands were moving to the northeast. The professor clarified that the movements of the earth's crust that he had noticed had not been observed before.

In his opinion, such a shift of the island could have been caused not by an earthquake, but, for example, by the seepage and spread of magma in the earth's crust. The professor also mentioned "slow sliding in the fault at a shallow point of the continental tectonic plate" among possible factors. At the same time, he stated that he did not know whether the shifts would lead to a strong earthquake.

Earlier, on July 6, an earthquake with a magnitude of 5.4 occurred in southwestern Japan. It is specified that the epicenter of the seismic event was located near the village of Toshima on Tokara Island. The hearth was located at a depth of 20 km.

Переведено сервисом «Яндекс Переводчик»

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