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A woman walks on a road covered with ash following a further eruption of the Mount Sinabung on October 13, 2014 in Berastagi, Karo district, North Sumatra, Indonesia. Mount Sinabung, which has lain dormant for over 400 years, has been intermittently erupting since September 15 last year, killing 15 people and forcing hundreds to flee their homes. According to The National Disaster Mitigation Agency, more than 3,000 residents are still displaced.

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A woman walks on a road covered with ash following a further eruption of the Mount Sinabung on Monday in Berastagi, Karo district, North Sumatra, Indonesia

Scorching lava flow and giant ash clouds released from the crater during the eruption of Mount Sinabung volcano as seen from Karo district located in Sumatra island. Indonesian authorities said pyroclastics flow reached 4.5 kilometers down the slope threatening populated villages whlie ash clouds reached three kilometers to the sky during it latest series of eruption that began on October 5.

Sutanta Aditya/AFP

Scorching lava and giant ash clouds spew out as Mount Sinabung volcano erupts, as seen from Karo district in Sumatra island, Indonesia

Dark giant ash clouds rise from the crater of Mount Sinabung volcano during an eruption on October 8, 2014, as seen from Karo district located on Indonesia's Sumatra island, following an earlier eruption on October 5, 2014.According to authorities hundreds of residents are still housed at evacuation centers as authorities maintains off limit danger zone around Mount Sinabung located in Indonesia's Sumatra island following deadly eruption in early February that killed about 17 people.

Sutanta Aditya/AFP

The Mount Sinabung volcano on Sumatra island in Indonesia erupts on Wednesday, following an eruption on Sunday.

JSDF soldiers conduct rescue operations on Mount Ontake, which erupted on September 27, 2014 and straddles Nagano and Gifu prefectures in central Japan...Japan Self-Defense Force (JSDF) soldiers conduct rescue operations on Mount Ontake, which erupted September 27, 2014 and straddles Nagano and Gifu prefectures in central Japan, in this October 7, 2014 handout photograph released by the Joint Staff of the Defence Ministry of Japan. Two more bodies were found on Mount Ontake on Tuesday, nearly a week and a half after the eruption that killed at least 51 people, Japanese media reported. The search continues for 10 people still missing in what has become the nation's worst volcanic disaster in a century.

JSDF/Reuters

Soldiers from the Japan Self-Defense Forces conduct search operations on Tuesday on Mount Ontake, which erupted on September 27. Sixteen people are still missing following the eruption of the volcano, which straddles Nagano and Gifu prefectures in central Japan.

Mount Tavurvur erupting in eastern Papua New Guinea, spewing rocks and ash into the air, forcing the evacuation of local communities and international flights to be re-routed. Mount Tavurvur, which destroyed the town of Rabaul when it erupted simultaneously with nearby Mount Vulcan in 1994, rumbled to life early in the morning on the tip of the remote island of New Britain.

Oliver Bluett/AFP

Mount Tavurvur erupting in eastern Papua New Guinea, spewing rocks and ash into the air, forcing the evacuation of local communities and international flights to be re-routed

An Indonesian worker removes Mount Kelud volcanic ash from a statue at Sewu temple in Klaten, Central Java, Indonesia, 18 February 2014. Mount Kelud in East Java province erupted late 13 February, killing four people and spewing ash and rock that covered much of the island. More than 56,000 people were displaced.

Bimo Satrio/EPA

An Indonesian worker removes Mount Kelud volcanic ash from a statue at Sewu temple in Klaten, Central Java, Indonesia. Mount Kelud in East Java province erupted late 13 February, killing four people and spewing ash and rock that covered much of the island. More than 56,000 people were displaced.

Villagers covering their faces from volcanic ash follwoing Mount Kelud's eruption in Solo, Indonesia, Friday, Feb. 14, 2014. The major volcanic eruption shrouded a large swath of the country's most heavily populated island in ash on Friday, triggering the evacuation of more than 100,000 people and the closure of three international airports after killing two people.

Hafidz Novalsyah/AP

Villagers cover their faces from volcanic ash after Mount Kelud erupts in Solo, Indonesia. The country’s most heavily populated island was covered in ash on Friday, triggering the evacuation of more than 100,000 people and the closure of three international airports after two people died 

Mount Sinabung spews hot lava and ashes...epa04024301 An Indonesian villager rides his motorcycle past a damaged tree as Mount Sinabung spews volcanic smoke, at Sigarang Garang village in Karo, North Sumatra, Indonesia, 16 January 2014. Thousands of people have been sheltering for months in mosques, churches and government buildings just out of reach of the past months' eruptions of Indonesia's Mount Sinabung. The 2,460-metre volcano had been dormant for 400 years before it erupted in August 2010, forcing more than 30,000 to flee their homes.  EPA/DEDI SAHPUTRA

Dedi Sahputra/EPA

A villager rides his motorcycle past a damaged tree as Mount Sinabung emits volcanic smoke near Sigarang Garang village in Karo, North Sumatra, Indonesia

Sinabung volcano spews hot ash and lava in Karo on January 14, 2014.

Sutanta Aditya/AFP

Mount Sinabung volcano spews hot ash and lava in Karo on Tuesday.

A girl stands in the foreground as Mount Sinabung spews pyroclastic smoke on January 8, 2014 in Karo District, North Sumatra, Indonesia. The number of displaced people has increased to 22,000 in Western Indonesia as Mount Sinabung continues to spew ash and smoke after several eruptions since September. Eleven deaths have now been recorded as a result of the eruptions with hundreds more falling ill. Officials expect the number of evacuees to rise as volcanic activity remains high.

Ulet Ifansasti/Getty Images

A girl stands in the foreground as Mount Sinabung releases smoke in Karo District, North Sumatra, Indonesia. The number of displaced people has increased to 22,000 in western Indonesia because of the volcano’s eruptions since September 2013.