(Eagle News) — Over 100 volcanic earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the 158 quakes monitored at the volcano, which remains on alert level 2, included 127 episodes of volcanic tremor with durations of one to fourteen minutes, 31 low-frequency volcanic earthquakes, and an ongoing low-level background tremor that started at 9:05 a.m. on April 8. A weak emission of steam-laden plumes was also monitored […]
Tag: PHIVOLCS
PHIVOLCS: 216 volcanic quakes monitored at Taal in 24 hours
(Eagle News) — Over 200 volcanic earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the 216 quakes at the volcano, which remains on alert level 2, included 177 episodes of volcanic tremors with durations of one to 32 minutes, 39 low-frequency volcanic earthquakes, and an ongoing low-level background tremor that started at 9:05 a.m. on April 8. A weak emission of steam-laden plumes from fumarolic vents was […]
5.2-magnitude quake strikes off Davao Occidental
(Eagle News) — A 5.2-magnitude earthquake struck off Davao Occidental early Wednesday, April 7. The Philippine Institute of Volcanology and Seismology said the quake hit at 4:08 a.m. It had its epicenter 99 kilometers southeast of Jose Abad Santos. Its depth was 102 kilometers. The following instrumental intensities were reported: Instrumental Intensities: Intensity I – General Santos City & Koronadal City, South Cotabato; Alabel & Kiamba, Sarangani No damage to property was expected but aftershocks […]
PHIVOLCS: 125 volcanic quakes monitored at Taal in 24 hours
(Eagle News) — Over 100 volcanic earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the 125 quakes at the volcano, which remains on alert level 2, included 7 episodes of volcanic tremor with durations of one to 1.5 minutes, 114 low-frequency volcanic earthquakes, three hybrid earthquakes, and one volcano-tectonic earthquake. PHIVOLCS said also monitored at the main crater was a weak emission of steam-laden plumes. Sulfur dioxide […]
4.0-magnitude quake hits Agusan del Sur
(Eagle News) — A 4.0-magnitude earthquake struck Agusan del Sur on Friday, April 2. The Philippine Institute of Volcanology and Seismology said the quake struck at 7:45 a.m. Its epicenter was 7 kilometers southeast of San Francisco. It had a depth of eight kilometers. An Intensity IV was recorded in San Francisco and Rosario. No damage to property nor aftershocks were reported.
PHIVOLCS monitors 269 volcanic quakes at Taal in 24 hours; alert level 2 stays
(Eagle News) — Over 200 volcanic earthquakes were monitored at Taal. The Philippine Institute of Volcanology and Seismology said the 269 volcanic quakes at the volcano, which remains on alert level 2, included 219 episodes of volcanic tremor with durations of one to 37 minutes, 49 low-frequency volcanic earthquakes, and one volcano-tectonic earthquake. There was a weak emission of steam-laden plumes at the main crater. Sulfur dioxide (SO2) emission averaged 1670 tons yesterday, April 1. […]
254 volcanic quakes monitored at Taal in 24 hours; alert level 2 still in place
(Eagle News) — Over 200 volcanic earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the 254 quakes at the volcano, which remains on alert level 2, included 220 episodes of volcanic tremor with durations of one to 27 minutes, 33 low-frequency volcanic earthquakes, and one volcano-tectonic earthquake. A weak emission of steam-laden plumes from fumarolic vents and sulfur dioxide emission was also monitored. According to PHIVOLCS, sulfur […]
212 volcanic quakes monitored at Taal in 24 hours
(Eagle News) — Over 200 volcanic earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the 212 volcanic earthquakes monitored at the volcano, which remains on alert level 2, included 168 episodes of volcanic tremor with durations of one to 20 minutes, and 44 low-frequency volcanic earthquakes. Activity at the main crater consisted of a weak emission of steam-laden plumes. Sulfur dioxide (SO2) emission averaged 1229 tons on […]
PHIVOLCS: 99 volcanic quakes monitored at Taal in 24 hours
(Eagle News) — Ninety-nine volcanic earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the quakes at the volcano, which remains on alert level 2, included 83 episodes of volcanic tremor with durations of one to 24 minutes, and 16 low-frequency volcanic earthquakes. Activity at the main crater consisted of a weak emission of steam-laden plumes. Sulfur dioxide emission also averaged 1073 tons yesterday, March 29. “Temperature highs […]
4.1-magnitude earthquake strikes off Catanduanes
(Eagle News) — A 4.1-magnitude earthquake struck off Catanduanes early Tuesday, March 30. The Philippine Institute of Volcanology and Seismology said the quake struck at 5:08 a.m. It had its epicenter 89 kilometers southeast of Baras, and a depth of 35 kilometers. No damage to property nor aftershocks were reported.
3.9-magnitude quake hits N. Samar early Saturday, March 27
(Eagle News) — A 3.9-magnitude earthquake struck Northern Samar early Saturday, March 27. The Philippine Institute of Volcanology and Seismology said the quake, which hit at 12:46 a.m., had its epicenter 17 kilometers southeast of San Isidro. It had a depth of 24 kilometers. The following intensities and instrumental intensities were reported: Intensities Intensity III – San Isidro and Allen, Northern Samar Intensity II – Bulusan and Irosin, Sorsogon; Calbayog City, Samar Intensity I – […]
Over 200 volcanic earthquakes monitored at Taal in 24 hours
(Eagle News) — Over 200 volcanic earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the 270 volcanic earthquakes at the volcano, which remains on alert level 2, included 193 episodes of volcanic tremor with durations of one to twelve minutes, and 77 low-frequency volcanic earthquakes. Activity at the main crater, PHIVOLCS said, consisted of a weak emission of steam-laden plumes. Sulfur dioxide emission averaged 925 tons yesterday, […]





