Mt. Kanlaon possible to generate a major eruption – PHIVOLCS

Marje Pelayo   •   June 24, 2020   •   1092

MANILA, Philippines — Mount Kanlaon in Negros Island is one of the most active volcanoes in the country similar to Mt. Pinatubo in Zambales, Mt. Mayon in Albay, Mt. Bulusan in Sorsogon, and Mt. Hibok-Hibok in Camiguin Island. 

Based on the observation of the Philippine Institute of Volcanology and Seismology (PHIVOLCS), the volcano has recorded abnormal activities especially last Sunday (June 21) and Monday (June 22).

Earthquakes have been felt as the volcano spewed ashes.

Department of Science and Technology (DOST) Undersecretary and PHIVOLCS OIC Renato Solidum explained these activities may be attributed to an existing fault.

They are now observing if the tremors will move under the summit.

“Itong pagkilos ng fault ay posibleng sanhi dahil sa pag pressurize ng lugar sa Kanlaon volcano ng hydrothermal fluids o pagpapakulo ng tubig o di kaya ay mas malalim pang magmatic activity,” Solidum noted.

Most of the Kanlaon’s explosions were phreatic, the agency observed.

Based on studies of rock samples from the volcano, its last lava episode was in the early 1900’s.

In the 1996 eruption, three persons who went up the volcano died.

Usec. Solidum said Mt. Kanlaon is not comparable with the Taal Volcano when it comes to activities, though a major eruption is possible.

Alert Level 1 has been raised over Mt Kanlaon since March this year.

“Kung ang tanong mo ay mabilis yung escalation, wala tayong nakikitang ganung history sa Kanlaon based on record history (We didn’t have any record of rapid escalation based on Kanlaon’s record in history),” Solidum said. 

“Pero yung posibilidad ng magkaroon ng mas malakas na eruption ay nandoon katulad ng Mayon Volcano; not Taal Volcano, hindi naman sila pareho ng setting (But there is the possibility of a major eruption like with Mount Mayon, but unlike Taal Volcano. Their settings are different),” he added.

PHIVOLCS warned that entering the four-kilometer permanent danger zone is strictly prohibited. MNP (with reports from Rey Pelayo)

113 tremors recorded in Taal Volcano in past 24 hours

Aileen Cerrudo   •   February 26, 2021

MANILA, Philippines—The Philippine Institute of Volcanology and Seismology (Phivolcs) has recorded an increasing number of tremors in Taal Volcano this week.

Based on the agency’s report released on Friday (February 26), the state seismologists recorded 113 volcanic tremors with an average duration of 34 minutes in the past 24 hours. This is a significant jump from yesterday when 69 volcanic tremors were recorded.

Phivolcs also reported an emission of weak steam-ladden fumes from the vents of the volcano’s main crater.

Despite the increase in tremors, Taal remains at Alert Level 1. The public is advised — especially residents near Taal — to remain in a safe area as more volcanic earthquakes, steam emissions, and minor ashfall can occur. Several residents have already been evacuated last week.

Phivolcs also reiterated that entry into Taal’s permanent danger zone remains prohibited. AAC

Phivolcs records 98 quakes in Taal Volcano in past 24 hours

Marje Pelayo   •   February 16, 2021

MANILA, Philippines – The Philippine Institute of Volcanology and Seismology (PHIVOLCS) warned the public of possible sudden steam-driven or phreatic explosions from Taal Volcano, based on their most recent recorded seismic activities of the volcano on Tuesday (February 16).

According to PHIVOLCS-DOST, they have recorded 98 volcanic tremors in the past 24 hours having durations of five to 12 minutes.

The Agency also monitored an increase in acidity and temperature of the Taal Volcano’s Main Crater Lake.

Alert Level 1 (Abnormal) remains in effect with possibility of sudden steam-driven or phreatic explosions, volcanic earthquakes, minor ashfall and lethal expulsions of volcanic gas occurring and threatening areas within the Taal Volcano Island.

PHIVOLCS-DOST strongly advised everyone against entering the Taal Volcano Island, Taal Volcano Permanent Danger Zone (PDZ), especially its Main Crater Lake and fissures in Daang Kastila, due to the danger posed by the volcano’s recent activities. MNP / Raymund David

No description available.

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

Robie de Guzman   •   December 25, 2020

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.

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