Concerned from Indonesian volcano

Scientists are concerned, Merapi volcano can pollute the air environment on a large scale if it really wakes up.

Gas and ash clouds rise from Merapi crater

Gas from volcanoes is mainly composed of sulfur dioxide, polluting the air and can cause acid rain - a scientist at the Institute of Geology, Vietnam Academy of Science & Technology - said.

According to him, they can pollute an area with a radius of up to 100km. Therefore, this Indonesia's most active volcano in Central Java province may affect some of the southernmost provinces of our country if dust and smoke are emitted at the time of strong Southeast wind.

Merapi stirred for about a month but increased the flow of lava over the past few days raising concerns about a frightening eruption that may happen tomorrow.

' What officials say is that we are prepared to face a bigger eruption than what we are seeing at the moment ' - said the volcanic house Catherine Hickson (Thompson River University, Canada). The volcanic stream is a cascade of hot ash, foam, pieces of rock, and volcanic gas rushing down the mountain at a speed of 100 miles (160km) an hour.

Ratmodo Purbo - Head of observation station at Merapi - told AP that 27 volcanic tremors were recorded on May 13. The mountain rises at least 14 times throughout the day and lava flows over an area of ​​1 mile (1.6km) .

Located at an altitude of 2,900 meters, Merapi has been operating continuously for decades. The eruption in 1994 left at least 66 people dead and the 1930s claimed 1,370 lives, according to NASA's Web site. In January 1997, thousands of farmers were also evacuated because Merapi operated only a few months before the Asian financial crisis.

Merapi is one of at least 129 volcanoes in Indonesia, part of the 'Fire Arc', a series of fractures and volcanoes surrounding the Pacific Ocean.

While the central government decided to spend millions of dollars urgently to continue the evacuation of 14,000 people from the area around the Merapi volcano, many farmers decided to return to Sunday, Sunday 14 May.

Reuteurs reporters at the scene said those returning mainly to Islam, the main religion in the country of 220 million people. They are fanatical that it is time for the supernatural emperor to appear on Mount Merapi, which is attracting the attention of scientists all over the world.

According to CNN, about 22,500 people need to be evacuated to crowded shelters, places more than three times the capacity, when experts predict a giant eruption from one of Indonesia's most dangerous volcanoes. .

Indonesian authorities have issued orders to evacuate thousands of residents near Merapi on May 13 and the UN estimates that 80,000 people may have to leave their homes because of the eruption, depending on which direction the lava flows.