(Eagle News) — Sixty-nine tremor episodes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the episodes at the volcano, which remains on alert level 1, lasted for one to five minutes. PHIVOLCS said weak steam emission was also monitored, while temperature highs of 77.1°C and a pH of 1.59 were last measured from the main crater lake on February 12. While a slight deflation around the main crater […]