The Philippine Institute of Volcanology and Seismology has set Taal and remote towns and cities at alarm level 4.
The number of families in three provinces affected by the eruption of Taal Volcano has climbed to 50,599 or equivalent to 203,763 persons, the National Disaster Risk Reduction Management Council (NDRRMC) reported.
"The increasing [volcanic] gas is an indication that definitely there is rising magma that can be a cause of possible explosion", he said, referring to the volcano located just about 65 kilometres (40 miles) south of the capital Manila.
Volcanic ash has caused an estimated 3.06 billion pesos ($60.17 million) worth of damage to crops, livestock and fish farms, based on the latest data from the agriculture department. Although the volcano remains unsafe, with a large number of local villagers housed in emergency centers, officials have begun to discuss recovery after eruption. Volcanic earthquakes, ground deformation and high sulphur dioxide emissions, however, indicate "continuous magmatic intrusion beneath the Taal edifice, which may lead to further eruptive activity", the institute said.
Taal, which consists of multiple craters, last erupted in 1977 and has recorded 34 eruptions since 1572. The government's volcano-monitoring agency has separately declared the island a permanent danger zone, but still, impoverished villagers have lived and worked there for decades.
The authorities are instructing people within 14 kilometers from the volcano to evacuate.
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The Himawari-8 satellite captured an image of the Philippines during the aftermath of the Taal volcano's eruption.
The island has always been declared a national park by the government and is not accessible to permanent villages. "We have to try to interpret what is happening below", Renato Solidum, Phivolcs' chief, told CNN Philippines.
Although Taal is one of the world's smallest active volcanoes, it can be deadly.
"Mayroon tayong nakikitang recharge o resupply ng magma na galing sa ilalim papunta doon sa volcano island". When the volcano erupted, she said she was done with her family and quickly moved out of Laurel Town, which is near Volcano Island.
A total of 714 volcanic earthquakes were plotted in Taal region as of 20 January 2020, 6:00 AM.
Due to its position on the Pacific "Ring of Fire" zone of seismic activity, it also has periodic volcanic eruptions.