PHIVOLCS reported ongoing unrest at Taal during 23-30 April. Upwelling gasses and hot fluids in the lake were visible during daily observations. Daily emissions of gas-and-steam rose from Main Crater Lake as high as 1.8 km, were sometimes voluminous, and drifted generally NW and SW. There were 0-14 daily earthquakes recorded by the seismic network including a few periods of volcanic tremor lasting 2-4 minutes. One phreatic event lasting two minutes long was recorded during 28-29 April. The Alert Level remained at 1 (on a scale of 0-5), and PHIVOLCS reminded the public that the entire Taal Volcano Island was a Permanent Danger Zone (PDZ) and to take extra precautions around Main Crater, when boating on Taal Lake, and along the Daang Kastila fissure.
Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
