Sunday for the second time in less than 24 hours from "increasing unrest" to "increased tendency towards eruption" within weeks or even days. (XinhuaStringer)
MANILA, Jan. 14 (Xinhua) -- Philippine authorities have ordered more than 900 families to evacuate as Mayon volcano continues to spew ash on Sunday.
Romina Marasigan Mohamed Sanu Sr Jersey , the spokesperson of the Philippine National Disaster Risk Reduction and Management Council (NDRRMC), said on Sunday that 919 families have been so far subjected to "mandatory evacuation" by local officials due to the "abnormal activities" of the volcano.
Marasigan could not immediately say the exact number of persons composing the 919 families evacuated but a family is usually composed of four to five members.
The Philippine Institute of Volcanology and Seismology (Phivolcs) recorded two phreatic or steam-driven eruptions on Sunday morning. The cone-shaped volcano in Albay province rumbled back to life around 5 p.m. Saturday, spewing ash plume around 2,500 meters high.
The institute said dust fell on several villages in the surrounding towns.
Phivolcs raised the alert level around the volcano following the series of phreatic eruptions Taylor Gabriel Jersey , saying the volcano continues to exhibit signs of "increasing unrest" that could trigger more ash falls, rockfalls and landslides.
"This means that the current unrest is probably of magmatic origin, which could lead to more phreatic eruptions or eventually to hazardous magmatic eruptions," the institute said.
The Phivolcs has recorded at least three "phreatic eruptions" since Saturday afternoon.
On Saturday De'Vondre Campbell Jersey , the institute reported that the Mayon volcano spewed ashes in the air. On Sunday morning, Phivolcs said two more steam-driven ash explosions were recorded, producing grayish steam and ash plume.
The institute warned residents around the volcano to be vigilant and do not enter the 6-km radius