Tag: PHIVOLCS

82 earthquakes monitored at Taal; alert level 2 still in place

(Eagle News) — Eighty-two earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the earthquakes at the volcano, which remains on alert level 2, included 15 low-frequency volcanic earthquakes and 67 volcanic tremor that lasted one to six minutes, and a low-level background tremor that began on April 8. “Meanwhile, poor ventilation, with a high 40 meters, from fumaroles or gas vents occurred in the main crater,” PHIVOLCS […]

4.5-magnitude quake hits Batangas

(Eagle News)–A 4.5-magnitude earthquake struck Batangas on Saturday, May 15. The Philippine Institute of Volcanology and Seismology said the quake hit at 11:04 a.m. It had its epicenter 13 kilometers southwest of Calatagan. The depth of focus was 94 kilometers. The following instrumental intensities were reported: Intensity II – Puerto Galera, Oriental Mindoro; Tagaytay City, Cavite Intensity I – Calatagan, Batangas; San Ildefonso, Bulacan No damage to property nor aftershocks were reported.

PHIVOLCS: 43 quakes monitored at Taal in 24 hours; alert level 2 still in place

(Eagle News) — Forty-three earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the earthquakes at the volcano, which remains on alert level 2, included 19 low-frequency volcanic earthquakes and 24 volcanic tremors that lasted for two to twelve minutes. They also included a low-level background tremor that began on April 8. “Meanwhile, an upwelling occurred on the main crater this morning that had a poor evaporation, with […]

Mindoro quake felt at intensity 5 in 4 nearby areas, at intensities 3-4 in more NCR, Calabarzon areas

  (Eagle News) — The magnitude 5.8 quake that hit Mindoro on Wednesday morning, May 12, was felt at intensity 5 in at least four nearby areas, and at intensity 4 in at least seven areas including Manila. This was according to the Philippine Institute of Volcanology and Seismology (PHIVOLCS) which updated its quake bulletin on Wednesday, May 12. The quake, with its epicenter located 11 kilometers northwest of Abra De Ilog in Occidental Mindoro […]

PHIVOLCS: 166 quakes monitored at Bulusan; alert level 1 still in place

(Eagle News) — Over 100 volcanic earthquakes were monitored at Bulusan in 24 hours. The Philippine Institute of Volcanology and Seismology said apart from the 166  earthquakes, monitored at the volcano, which remains on Alert Level 1, was a sustained inflation of the upper slopes. PHIVOLCS said this was “consistent with short-term inflation of the edifice measured by continuous GPS monitoring since February 2021.” “These parameters generally indicate that shallow hydrothermal processes are occurring beneath […]

5.3-magnitude quake strikes off Davao Occidental early Tuesday, May 11

(Eagle News) — A 5.3-magnitude earthquake struck off Davao Occidental early Tuesday, May 11. The Philippine Institute of Volcanology and Seismology said the quake hit at 1:25 a.m. It had its epicenter 87 kilometers southeast of Jose Abad Santos. The quake’s depth was 72 kilometers. The following intensities and instrumental intensities were reported: Instrumental Intensities: Intensity II-General Santos City Intensity I- Gingoong City, Misamis Oriental; Koronadal City , South Cotabato; Kiamba, Sarangani No damage to […]

4.0-magnitude quake strikes off Quezon

(Eagle News) — A 4.0-magnitude earthquake struck off Quezon on Saturday, May 8. The Philippine Institute of Volcanology and Seismology said the quake hit at 1:03 p.m. It had its epicenter 21 kilometers southwest of Mulanay. The depth was one kilometer. The following intensities and instrumental intensities were reported: Intensities: Intensity IV – Mulanay, Quezon Intensity III – Catanauan, Quezon; Torrijos, Marinduque Instrumental Intensities: Intensity IV – Mulanay, Quezon No damage to property nor aftershocks […]

4.8-magnitude quake hits Davao Occidental waters

(Eagle News)– A 4.8-magnitude earthquake struck off Davao Occidental on Friday, May 7. The Philippine Institute of Volcanology and Seismology said the quake hit at 3:43 p.m. It had its epicenter 326 kilometers southeast of Sarangani. The depth of focus was 74 kilometers. No damage to property nor aftershocks were reported.

4.1-magnitude quake hits Sarangani

(Eagle News) — A 4.1-magnitude earthquake struck off Sarangani early Friday, May 7. The Philippine Institute of Volcanology and Seismology said the quake struck at 4:07 a.m. It had its epicenter 21 kilometers southwest of Maitum. The quake’s depth was 532 kilometers. No damage to property nor aftershocks were reported.

Magnitude 5.1 quake rocks Davao del Sur

  (Eagle News) – A magnitude 5.1 quake struck Davao del Sur on Thursday, May 6, with the epicenter located eight kilometers southwest of Magsaysay town. The quake was 17 kilometers deep and occurred at 2:21 p.m. Aftershocks are expected, PHIVOLCS said. It was reported at the following instrumental intensities: Intensity V- Koronadal City, South Cotabato Intensity III – Kidapawan City, Cotabato Intensity II – Kiamba, South Cotabato; General Santos City (Eagle News Service)

4.6-magnitude quake strikes off Davao Occidental

(Eagle News) — A 4.6-magnitude earthquake struck off Davao Occidental on Thursday, April 29. The Philippine Institute of Volcanology and Seismology said the quake hit at 8:55 a.m. It had its epicenter 365 kilometers southeast of Sarangani. The depth of focus was 70 kilometers. No damage to property nor aftershocks were reported.