“Since 11:45 a.m., dark ash has been issuing from the summit of Kanlaon Volcano, accompanied by a weak low-frequency volcanic earthquake. This has produced a dark plume roughly 1.2 kilometers ...

The “weak to moderate” explosions occur at a frequency of 15 or more per hour and “produce columns of gas and ash” reaching heights of up to 4,800 meters above sea level, according to the Institute of ...