Tag: PHIVOLCS

268 volcanic quakes monitored at Taal; PHIVOLCS says unrest at volcano “elevating” but alert level 2 stays so far

(Eagle News) — Over 200 volcanic earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology as a result said the unrest at the volcano “has been elevating” and is constantly being evaluated, even as the alert level 2 over the volcano stays. PHIVOLCS noted that the 268 volcanic earthquakes monitored at the volcano included 243 episodes of volcanic tremor with durations of one  to eight  minutes, and 25 low-frequency […]

PHIVOLCS monitors 102 volcanic quakes at Taal; alert level 2 stays

(Eagle News)– Over 100 volcanic earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the 102 volcanic quakes at the volcano, which remains on alert level 2, included 87 episodes of volcanic tremor with durations of one to eight minutes. Activity at the main crater, PHIVOLCS said, consisted of a weak emission of steam-laden plumes. Sulfur dioxide (SO2) emission also averaged 1,013 tons yesterday, March 22. “Temperature highs […]

4.0-magnitude quake strikes off Davao Occidental early Monday

(Eagle News) — A 4.0-magnitude earthquake struck off Davao Occidental early Monday, March 22. The Philippine Institute of Volcanology and Seismology said the quake hit at 12:30 past midnight. It had its epicenter 406 kilometers southeast of Sarangani. It also had a depth of 25 kilometers. No damage to property nor aftershocks were reported.  

PHIVOLCS monitors 193 volcanic quakes at Taal in 24 hours; alert level 2 stays

(Eagle News) — The Philippine Institute of Volcanology and Seismology has monitored almost 200 volcanic earthquakes in 24 hours. PHIVOLCS said the 193 volcanic quakes at the volcano, which remains on alert level 2, included 156 episodes of volcanic tremor with durations of one 15 minutes. PHIVOLCS said a weak emission of steam-laden plumes was also observed at the main crater, while sulfur dioxide emission averaged 830 tons on March 20. “Temperature highs of 71.8°C […]

PHIVOLCS monitors 175 volcanic quakes at Taal in 24 hours; alert level 2 still in place

(Eagle News) — Over 100 volcanic earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the 175 quakes at the volcano, which remains on alert level 2, included 131 episodes of volcanic tremor with durations of one to fifteen minutes. A moderate emission of steam-laden plumes was also monitored. Sulfur dioxide emission also averaged 603 tons yesterday, March 19. “Temperature highs of 71.8°C and pH of 1.59 were […]

55 volcanic quakes monitored at Taal in 24 hours; alert level 2 stays

(Eagle News) — Fifty-five volcanic earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the quakes monitored at the volcano, which remains on alert level 2, included 44 episodes of volcanic tremor with durations of two to five  minutes. It also included low-level background volcanic tremor that began at 7 p.m. on March 16. A weak steam emission was monitored, while sulfur dioxide emission averaged 689 tons on […]

252 volcanic quakes monitored at Taal; alert level 2 stays

(Eagle News) — Over 200 volcanic earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the 252 volcanic earthquakes at the volcano, which remains on alert level 2, included 17 episodes of volcanic tremor with durations of one to four  minutes, and five hybrid events. The emission of steam-laden plumes at the main crater was moderate. Sulfur dioxide emission also averaged 518 tons on March 14. “An upwelling […]

4.1-magnitude quake strikes off Surigao del Sur early Monday

(Eagle News) — A 4.1-magnitude earthquake struck off Surigao del Sur early Monday, March 15. The Philippine Institute of Volcanology and Seismology said the quake struck at 1:18 a.m. It had its epicenter 26 kilometers southeast of Hinatuan. Depth of focus was 81 kilometers. No damage to property nor aftershocks were reported.

PHIVOLCS monitors 74 volcanic earthquakes at Taal in 24 hours; alert level 2 still in place

(Eagle News) — Seventy-four 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 46 episodes of volcanic tremor with durations of one  to four minutes. PHIVOLCS said there was also weak steam emission at the main crater and “significant” sulfur dioxide (SO2) emission that averaged 596 tons on March 13. “Temperature highs of 71.8°C and […]

55 volcanic quakes monitored at Taal in 24 hours; alert level 2 stays

(Eagle News) — Fifty-five 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 49 episodes of volcanic tremor with durations of one to 2.5 minutes. “At 2:11 PM yesterday, a short-lived 400-500 meter-tall white plume was generated by a burst of steam-rich gas from the Main Crater that lasted 2.5 minutes based on seismic records,” […]

5.0-magnitude quake strikes off Davao Occidental early Saturday, March 13

(Eagle News) — A 5.0-magnitude earthquake struck off Davao Occidental early Saturday, March 13. The Philippine Institute of Volcanology and Seismology said the quake hit at 4:13 a.m. It had its epicenter 230 kilometers southeast of Sarangani. The depth of focus was 87 kilometers, PHIVOLCS said. The following instrumental intensities were reported: Instrumental Intensities: Intensity II – Malungon, Sarangani Intensity I – Alabel, Sarangani No damage to property was reported but aftershocks were.

5.7-magnitude quake strikes off Zambales

(Eagle News) — A 5.7-magnitude earthquake struck off Zambales on Thursday, March 11. The Philippine Institute of Volcanology and Seismology said the quake hit at 3:24 p.m. It had its epicenter 60 kilometers southwest of Santa Cruz. It also had a depth of 16 kilometers. No damage to property was reported but aftershocks were.