Pangambang sumabog ang Mt. Taal matapos ang malakas na lindol sa Batangas, pinawi ng Phivolcs

Robie de Guzman   •   December 25, 2020   •   860

MANILA, Philippines – Pinawi ng Philippine Institute of Volcanology and Seismology (Phivolcs) ang pangamba hinggil sa muling pagsabog ng bulkang Taal kasunod ng magnitude 6.3 na lindol na yumanig sa Calatagan, Batangas pasado alas-7 Biyernes ng umaga.

Ayon kay PHIVOLCS director, Undersecretary Renato Solidum, maliit ang posibilidad na magkaroon ng epekto sa bulkan ang malakas na lindol bagaman patuloy pa nila itong inoobserbahan.

Binigyang-diin rin ni Solidum na sumabog na ang bulkan ngayong taon at malalim ang naramdamang lindol kaninang umaga.

Siguro pagdating doon sa fault baka wala, kasi hindi naman ito ganoon kalaki at malalim siya masyado. Pero pagdating sa Taal Volcano, kasi katatapos lang ng kanyang eruption, oobserbahan natin kung may epekto talaga ito,” ang pahayag ni Solidum.

“Titingnan natin kung magre-react ang Taal Volcano, pero dapat nating maaalala, matandaan, na nasa alert level 1 pa lang naman siya,” dagdag pa niya.

Magugunitang noong buwan ng Enero 2020 ay itinaas sa alert level 4 ang Taal matapos itong magbuga ng abo.

Sa ngayon ay nasa alert level 1 ang bulkan na ang ibig sabihin ay bahagyang pagtaas ng volcanic activity gaya ng gas o steam emission at mga pagyanig. Ipinagbabawal din ang pagpasok sa permanent danger zone ng bulkan.

Paliwanag ng ahensiya, gumalaw ang Manila trench kaya’t naramdaman ang pagyanig sa Metro Manila.

Tiniyak din ng PHIVOLCS na walang direktang epekto ang lindol sa Batangas sa West Valley Fault.

Bukod sa Metro Manila, Batangas at Laguna, naramdaman rin ang lindol sa ilang bahagi ng Rizal at Northern Luzon.

Magnitude 5.8 earthquake rocks Occidental Mindoro

Marje Pelayo   •   May 12, 2021

MANILA, Philippines — A magnitude 5.8 earthquake rocked Occidental Mindoro at around 9:00 a.m. on Wednesday (May 12).

According to the report from the Philippine Institute of Volcanology and Seismology (Phivolcs), the center of the quake was located at Abra de Ilog.

It was tectonic in origin and had a depth of 110 kilometers.

The agency recorded the following instrumental intensities as a result of the earthquake:

Intensity V – Calatagan, Batangas

Intensity IV – Puerto Galera, Oriental Mindoro

Intensity III – Carmona, Tagaytay City, Cavite; Muntinlupa, Metro Manila; San Jose, Occidental Mindoro; Calapan City, Oriental Mindoro

Intensity II – Calumpit, Marilao, Plaridel, Bulacan; Las Piñas, Malabon, Marikina, Pasig, Quezon City, Metro Manila; Dolores, Gumaca, Mulanay, Quezon Province;
Olongapo City, Zambales

Intensity I – San Jose City, Nueva Ecija; Guagua, Pampanga; Infanta, Lopez, Polillo, Quezon Province

Alert Level 1 raised over Bulusan Volcano in Sorsogon

Marje Pelayo   •   May 12, 2021

MANILA, Philippines — The Philippine Institute of Volcanology and Seismology (Phivolcs) has raised alert status from zero to 1 over Bulusan Volcano in Sorsogon after recording more than 100 volcanic earthquakes in the past four days.

Alert Level 1 means that the volcano is currently in an “abnormal condition.”

According to the agency, the volcano has been exhibiting increased unrest after a total of 124 volcanic tremors recorded since Saturday (May 8) as well as sustained inflation based on ground deformation measurements.

“These parameters indicate that volcanic processes are underway beneath the edifice that are likely caused by shallow hydrothermal activity,” the agency said in an advisory posted on its website.

Phivolcs reminded local government units and the public that entry into the four-kilometer radius permanent danger zone must be strictly prohibited.

Also, vigilance in the two-kilometer extended danger zone on the southeast sector must be exercised due to the increased possibility of sudden and hazardous phreatic eruptions.

“People living within the valleys and along river/stream channels especially on the southeast, southwest and northwest sector of the edifice should be vigilant against sediment-laden stream flows and lahars in the event of heavy and prolonged rainfall,” the agency warned.

383 volcanic earthquakes recorded in Taal Volcano in past 24 hours

Aileen Cerrudo   •   April 14, 2021

MANILA, Philippines— The Philippine Institute of Volcanology and Seismology (Phivolcs) on Wednesday maintained Alert level 2 over Taal Volcano as it recorded 383 volcanic earthquakes in the past 24 hours.

Based on the latest bulletin, upwelling of hot volcanic fluids in the main crater lake occurred Tuesday morning (April 13) and 383 volcanic earthquakes, including 238 episodes of volcanic tremor lasting from one to 12 minutes occurred in the past 24 hours.

Phivolcs also said it continues to observe “a very slow and steady inflation and expansion of the Taal region that began after the January 2020 eruption.”

The agency reminds local government units around the area to be vigilant and continuously assess the situation. Civil aviation authorities must advise pilots to avoid flying close to the volcano.

“DOST-PHIVOLCS is closely monitoring Taal Volcano’s activity and any new significant development will be immediately communicated to all stakeholders,” the bulletin said. AAC

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