• No episodes of tremor have been recorded in the last 12 hours. A tremor is a continuous seismic signal that is usually associated with the movement of magma to the surface." ... Explosive Eruption at La Soufrière Volcano, St. Vincent - Situation report No. Some 1,886 tons of sulfur dioxide were emitted by the volcano in the Batangas province over the past 24 hours, TVN said. A tremor is a continuous seismic signal that is usually associated with the movement of magma to the surface." Of the number, 120 were episodes of volcanic tremor with durations between one to 19 minutes, 53 were low frequency volcanic earthquakes, a lone hybrid earthquake, and low-level background tremor that started at 9:05 a.m. on April 8. 15 as of 8:00 pm on 16 April, 2021 The tremor episodes have slowly increased in magnitude. In the past 24-hour period, the Taal Volcano Network recorded two hundred sixty-nine (269) volcanic earthquakes, including two hundred nineteen (219) episodes of volcanic tremor having durations of one (1) to thirty-seven (37) minutes, forty-nine (49) low frequency volcanic earthquakes, and one (1) volcano-tectonic earthquake. The Taal Volcano Network (TVN) has recorded 383 volcanic earthquakes including 238 tremor episodes having durations of one to 12 minutes, 143 low frequency volcanic earthquakes and low-level background tremors. A total of 269 volcanic earthquakes including 219 episodes of volcanic tremor were recorded in Taal Volcano in the past 24 hours, PHIVOLCS said in its bulletin on Friday. The Philippine Institute of Volcanology and Seismology in its 8 a.m. bulletin said of the total 383 quakes detected, 283 were episodes of volcanic tremor with durations of one to 12 minutes. MANILA, Philippines — A total of 216 volcanic earthquakes were recorded in Taal Volcano in the last 24 hours, the Philippine Institute of Volcanology and Seismology (Phivolcs) said Sunday. No episodes of tremor have been recorded in the last 12 hours. In the past 24-hour period, the Taal Volcano Network recorded two hundred sixteen (216) volcanic earthquakes, including one hundred seventy-seven (177) episodes of volcanic tremor having durations of one (1) to thirty-two (32) minutes, thirty-nine (39) low frequency volcanic earthquakes and low-level background tremor that started at 9:05 AM on 08 April 2021. Taal Volcano. (PNA file photo) Based on the Phivolcs’ volcano bulletin issued on Sunday, April 18, of the total recorded earthquakes, 43 were episodes of volcanic tremor having duration of one to 17 minutes, eight were low-frequency earthquakes and low-level background tremor that started since April 8 at 9:05 a.m. The number is higher compared to the 254 volcanic earthquakes including 220 episodes of volcanic tremor … The tremor episodes have slowly increased in magnitude. A revised picture (see figure above) has been constructed of the summit crater based on satellite images. 3.