Manila, Oct. 27 -- Taal Volcano's small eruptions, even several times a day, are considered normal behavior, according to the Philippine Institute of Volcanology and Seismology (Phivolcs).

"This is normal in Taal Volcano, especially when there is continuous degassing or release of volcanic gas. We had several instances in the past when there were short-lived eruptions in a day," Phivolcs Director Teresito Bacolcol told the Philippine News Agency on Monday.

On Sunday, Phivolcs recorded one phreatic and two phreatomagmatic eruptions at the volcano.

Bacolcol said the phreatic eruption, which lasted for a minute, was triggered by the interaction of water with hot volcanic rocks or hot volcanic gases, producing steam and ash plume.

"The se...