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In Indonesia there are fears that a volcanic eruption could cause a tsunami

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In Indonesia there are fears that a volcanic eruption could cause a tsunami

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More than 2,100 people living near a volcano in Indonesia were displaced Friday due to risks related to an eruption. In fact, on Tuesday the volcanic island of Ruang, which is located about 100 kilometers north of Sulawesi, began to erupt, producing a column of smoke and ash which yesterday reached 1,200 meters in height. Evacuation operations are still underway: in total, more than 11 thousand people have been told to leave their homes. Most of them live on the nearby island of Tagulandang, which has a total of 20 thousand inhabitants; it could be reached not only by volcanic ash and pyroclasts, but also by a possible tsunami caused by lava and rocks falling into the sea.

Ruang is a small island with a surface area of ​​4 by 5 kilometers which represents the emerged part of the volcano that formed it. It is a stratovolcano, that is, a conical-shaped volcano like Etna. Scientists observing the ongoing eruption fear that part of the volcanic cone could collapse and fall into the sea causing a tidal wave, as had already happened in 1871.

The evacuation order prohibits going within 3.7 kilometers of the volcano’s crater. Due to the ash spread into the atmosphere by the eruption, the international airport of Manado, in North Sulawesi, was also closed.

Indonesia is a country very prone to the risk of eruptions because it has 130 active volcanoes. The islands that make up its territory are located above what in geology is called the “Pacific Ring of Fire”, the region all around the largest ocean in the world along whose borders the continental plates of the earth’s crust overlap the oceanic plate.

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