MANILA, Nov. 21 -- Ash emission was recorded anew from Kanlaon Volcano's summit crater on Friday, the Philippine Institute of Volcanology and Seismology (Phivolcs) said.

The emission, which started at 7:12 a.m. and ended at 7:20 a.m., have generated grayish plumes reaching 75 meters above the crater.

The plume drifted west-southwest.

Phivolcs Director Teresito Bacolcol earlier explained that ash emission is expected for Kanlaon Volcano since it is under Alert Level 2 or moderate level of unrest.

"Ash emissions happen when there is a new release of volcanic gas and pressure," he said.

Degassing brings fine and dry materials or ash that can be found on the volcano's crater, Bacolcol added.

At Alert Level 2, the public is advised ...