(Eagle News)–Seven volcanic earthquakes were monitored at Mayon in 24 hours. The Philippine Institute of Volcanology and Seismology said also monitored at the volcano, which remains on alert level 1, were steam and sulfur dioxide emissions. PHIVOLCS said the emission of white steam-laden plumes was moderate. Sulfur dioxide emission, on the other hand, was last measured at an average of 634 tons on January 27. PHIVOLCS reminded the public that while there was no magmatic […]