Volcanoes
Surveillance cameras observed a moderate vulcanian-type explosion at Minamidake crater producing an ash plume that reached up to estimated 7,000 ft (2,100 m) altitude and drifted SE.
The eruption that started at about 23:09 local time yesterday ejected glowing lava bombs as far as 600 m-900 m away from the crater. The explosion was also accompanied by volcanic lightning occurred in the beginning of the event.
Visible glow and near-constant emissions of gas suggest continued rise of fresh magma inside the volcano's conduits.
Volcanic and infrasonic tremors increased at 19:00 UTC on January 18, followed by an eruption at 19:15 UTC, with intense Strombolian activity and a new lava overflow from the Southeast Crater.
The front headed toward Valle del Bove and reached a height of about 2 900 m (9 500 feet). Intense Strombolian activity suddenly evolved into a weak lava fountain reaching maximum intensity at 20:30 UTC.
The Center for Volcanology and Geological Hazar Mitigation (PVMBG) said in a statement that lava flowed from the volcano 36 times within a period of six hours, descending up to 1,500 meters down its southwestern slope.
Authorities currently are not planning to bring back residents who had been evacuated earlier amid previous volcanic activity, warning people not to venture within five kilometers (3.1 miles) of the volcano which is now under "orange" alert status.
Indonesia has nearly 130 active volcanoes, more than any other country, and while many show high levels of activity it can be weeks or even months before an eruption.
The Semeru mountain erupted at just past 5 p.m. local time. Videos posted on social media showed grey ash clouds towering over houses.
It was noted that the first active phase of the eruption occurred at 17:48:36 local time and lasted almost three and a half minutes, the second phase began at 17:53:59 and lasted 2 minutes 18 seconds, and the third at 17:58: 17 local time and lasted longer than the previous ones - 7 minutes.
As a result of volcanic activity, 2.5 hectares of land were completely covered with solid waste. A total of 1,700 cubic meters of waste were brought to the surface.

La Soufriere began spewing ash along with gas and steam, in addition to the formation of a new volcanic dome, caused by lava reaching the Earth’s surface
The government raised the alert level to orange for the volcano La Soufriere indicating it could erupt within 24 hours, and recommended people living nearby should leave their homes immediately.
La Soufriere began spewing ash along with gas and steam, in addition to the formation of a new volcanic dome caused by lava reaching the Earth's surface, the Caribbean Disaster Emergency Management Agency said.













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