Five active volcanoes on my Asia Pacific 'Ring of Fire' watch-list right now

phys.org | 2/9/2018 | Staff
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In Indonesia, more than 197 million people live within 100km of a volcano, including more than 8.6 million inside a 10km radius.

The country has a record of some of the most deadly volcanic eruptions in history, and right now there are ongoing eruptions at the Agung, Sinabung and Dukono volcanoes. But other volcanoes in the region are active too, including Kadovar in Papua New Guinea, Mayon in the Philippines, and Kusatsu-Shiranesan in Japan.

Region - Earthquake - Activity

Although it all seems to be happening at once, it's normal for the Asia-Pacific region to have frequent earthquake and volcanic activity.

But we still need to keep a close eye on things, and local volcanic authorities are monitoring activity to manage risks and evacuations adequately.

Volcanoes - Part - Pacific - Ring - Fire

These volcanoes are part of the Pacific "Ring of Fire", a horseshoe-shaped belt of earthquakes and volcanoes that runs for some 40,000km, roughly around the edge of the Pacific Ocean. The Ring stretches from South America, up to North America and across the Bering straight, and down through Japan, the Philippines, Papua New Guinea, Vanuatu and New Zealand. It generates around 90% of the world's earthquakes and contains 75% of its active volcanoes.

Here are the volcanoes on my Asia-Pacific watch list this week.

Mount - Agung - Bali - Months - Bali

Mount Agung in Bali has been highly scrutinised for the past few months, largely because of Bali's popularity as a tourist destination.

After a series of volcanic earthquakes (more than 1,000 per day at its peak), eruptions began on November 21, 2017.

Eruptions - Gas - Steam - Ash - Thousands

Since then we've seen frequent explosive eruptions emitting gas, steam and volcanic ash reaching thousands of metres above the volcano.

Drones used by the Indonesian Centre for Volcanology and Geological Hazard Mitigation (CVGHM) show an estimated 20 million cubic metres of new lava in the crater, filling roughly one-third of it.

Evening - January - Explosion - Fire

In the evening of January 19 an explosion of fire (known as a...
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