JAKARTA, July 11 — RIA Novosti, Mikhail Tsyganov. Centre of Volcanology and reduce geological risks (TSVSGR) Indonesia raised the level of anxiety on located in the province of North Sulawesi volcano Lokon to fourth highest, after he threw before the volcanic ash and gases to a height of 500 meters, said on Monday the official website of the center.
"At this point (main) threat is the possibility of an explosive eruption of magma, which could lead to a discharge of sparks, hot (volcanic) sand and powerful rain of ash from an unexpected form pyroclastic flows," — said in a statement TSVSGR.
In turn, the Office of Disaster Management (BNPB) Indonesia has a forbidden zone for finding people within 3.5 km from the crater of this small but very active stratovolcano height 1.579 meters above sea level.
"In connection with the rise of Mount Lokon we order residents to evacuate to safer places," — said Monday the head of the Information Centre of the Purvon Sutopo Nugroho (Sutopo Purwon Nugroho).
TSVSGR late last month raised to the third level of anxiety on the curl, located an hour's drive from the provincial capital of Manado, but the first release height does not exceed 200 meters.
Meanwhile, along with a lock of activated and located to the west of the volcano Soputan: TSVSGR raised anxiety on him until the third week ago, after this small stratovolcano growth 1.784 meters above sea level, threw a cloud of volcanic ash and gases to a height of six kilometers .
Centre of Volcanology declared forbidden zone for finding people within six kilometers from the volcano, however, because the nearest town is located eight kilometers from Soputana, the evacuation was made. But powerful emissions from the crater of the volcano forced authorities to close a week ago for a few hours of an international airport "Sam Ratulangi" capital of the province of North Sulawesi.
The last time this "fiery mountain" erupted in 2008.
World's largest Indonesian archipelago is part of the so-called Pacific "Ring of Fire" — the band of volcanoes and tectonic faults up to 40,000 kilometers. In the region of Indonesia plates that form the bottom of the Indian and western Pacific oceans, but with the Asian. Advancing to the last, denser oceanic tectonic plate under enormous pressure down to the mantle of the world and at a depth of about 100 kilometers below the surface begin to melt, resulting in the release of the resulting molten lava.
Therefore, the length of the Indonesian part of the "Ring of Fire" (3.218 thousand kilometers) are volcanoes.