Indonesia's Center for Volcanology and Geological Disaster Mitigation says Anak Krakatau now has a volume of 40-70 million cubic meters and lost 150-180 million cubic meters of volume since the December 22 eruption and tsunami.
Last Saturday brought more devastation when a tsunami hit Indonesia's Sunda Strait between the islands of Java and Sumatra.
More than 420 people died in waves towering up to 6.6ft, while 40,000 others were forced to flee their homes.
Patrick McCaw signs two-year offer sheet with Cavaliers
Despite a sophomore slump, the 23-year-old shooting guard has plenty of upside and could thrive in the right role. He was traded to the Golden State Warriors on draft night and spent two seasons with the Warriors.
The height of the more than 90-year-old volcano has been reduced to about 110 meters from 338 meters after eruptions intensified in the past week, according to the Center for Volcanology and Geological Hazard Mitigation.
"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.
Soldiers remove debris from a damaged house in the tsunami-hit village of Carita, Indonesia, Friday, Dec. 28, 2018. On Thursday, the BBC reports that Indonesian authorities also raised the volcano alert level to the second highest option, due to the activity at Anak Krakatau and diverted all flights from the volcano exclusion zone.
A week after the tsunami, thousands of Indonesian Muslims attended a mass prayer yesterday to remember the victims and pray for the safety of their tsunami-prone hometown.
FIRST glimpse of Putin's INVINCIBLE hypersonic missile
A top Russian official says the nation's new strategic weapon has made any missile defenses useless. Putin said, according to Russia's state-run TASS news agency .
Experts have largely relied on satellite radar images to work out what happened to the volcano because cloud cover, continuing eruptions and high seas have hampered inspections. During an eruption, Anak Krakatau's average amplitude will be 25 - 30 mm.
Most tsunamis are caused by earthquakes.
The volcano, whose name means Child of Krakatoa, was a new island that emerged around 1928 in the crater left by Krakatoa, whose massive 1883 eruption killed at least 36,000 people. The concentric circles are waves moving away from the Anak Krakatau island volcano-a sign of seismic activity and eruptions, according to experts cited by the AP.
Kevin Spacey Accuser Filmed Alleged Sexual Assault On Snapchat
Spacey apologized to Rapp, claiming not to remember the incident, but remained silent as accusations against him mushroomed. Spacey was also removed from the movie " All the Money in the World ", which he had already filmed.