Indonesia Raises Danger Level for Anak Krakatau Volcano, More Tsunamis Feared

Mount Anak Krakatau volcano spews hot ash during an eruption as seen from Indonesian Naval Patrol Boat KRI Torani 860 at Sunda strait in Banten Indonesia

Mount Anak Krakatau volcano spews hot ash during an eruption as seen from Indonesian Naval Patrol Boat KRI Torani 860 at Sunda strait in Banten Indonesia

New satellite images taken of the Anak Krakatau volcano before and after the explosion suggests that the massive landslide destroyed the volcano's entire southwest flank, reports George Dvorsky at Gizmodo. All flights around the volcano have been rerouted and a 5-kilometer (3-mile) exclusion zone implemented.

Indonesia's disaster management agency (BNPB) has imposed a three-mile exclusion zone and raised the alert level from two to three because of the heightened volcanic activity - which amounts to nearly one eruption per minute.

Gegar Prasetya, co-founder of the Tsunami Research Center Indonesia, said the severity of another potential tsunami could be less since satellite radar shows the volcano is now much smaller.

The authorities said 426 people had been killed - down from a previous tally of 430 - with double-counting by different districts blamed for the change. Some 7,202 people suffered injuries, jumping from 1,495. A few days later, the nearby volcano Soputan erupted.

Last Saturday brought more devastation when a tsunami hit Indonesia's Sunda Strait between the islands of Java and Sumatra.

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JAXA's post-eruption image shows concentric waves radiating from the island, which experts say is caused by its ongoing eruptions. "The challenge now is to interpret what might be happening on the volcano, and what might happen next", he writes. Very famously, an earlier iteration of the volcano produced a cataclysmic eruption in 1883, sending shockwaves around the planet, not once-but four times.

Anak Krakatau first rose above sea level in 1929, according to Indonesia's volcanology agency, and has been increasing its land mass since then.

Local citizens were also urged to back away from coastal regions as more tsunamis could occur. The volcano is now said to be erupting almost every minute, sending ash up to a mile in the sky with every pulse. It said 23 are missing and more than 40,000 displaced.

"We're recommending that people who lived near the beach be permanently relocated", national disaster agency spokesman Sutopo Purwo Nugroho told a press briefing in Jakarta. People [near the volcano] could be hit by hot rocks, pyroclastic flows and thick ash'.

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