2 equipment stolen from Mt. Mayon monitoring station

Marje Pelayo   •   February 6, 2020   •   283

MANILA, Philippines – Volcano authority DOST-PHIVOLCS has called on the public to help protect government instruments and immediately report the culprits who stole two solar panels from the agency’s Mount Mayon monitoring station.

The Volcano Monitoring Rest House (VMRH) hosts instruments for earthquake monitoring, Global Positioning System (GPS) and tiltmeter.

The stolen instruments, two solar panels of 150 watts each, were used to generate power supply for the station.

Without power supply, no data will be transmitted from this station and consequently will affect the monitoring of Mayon Volcano.

The incident was discovered by Mayon Volcano Observatory personnel during their routine inspection and preventive maintenance service on Wednesday (February 5).

Under Republic Act 10344 or the Risk Reduction and Preparedness Equipment Protection Act of 2012, “the unauthorized taking, stealing, keeping or tampering of government risk reduction and preparedness equipment, accessories and similar facilities” incurs corresponding penalty.

“The public is strongly encouraged to help in taking care of our monitoring instruments and to promptly report any untoward incidents,” the agency said.

Information on the stolen equipment and other concerns may be forwarded to DOST Undersecretary and PHIVOLCS OIC Renato Solidum Jr. at (+632) 8-426-1468 to 79.

PHIVOLCS may further downgrade alert level over Taal Volcano next week

Marje Pelayo   •   February 21, 2020

MANILA, Philippines – The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported only about 29 volcanic earthquakes around Taal Volcano in the past 24 hours, an indication that rocks underground are breaking.

A column of white steam also continues to form but only up to 50 meters in height.

It has been a week since PHIVOLCS downgraded alert level over the Taal volcano to level 2 from the previous level 3.

According to PHIVOLCS OIC Usec. Renato Solidum, they need to observe Taal volcano’s activities for one more week before they can decide whether to further downgrade the alert status based on the agency’s standard operating procedure.

“Basta tuloy-tuloy ang kanyang mga parametro na bumababa ang bilang pwede natin masabi na pwede nating ibaba ito sa alert level number one (If the parameters continue to reduce in number, we might lower the alert level to number one),” Solidum said.

Entry restrictions remain within the permanent danger zone in Taal Volcano Island.

Solidum said the local government unit needs to assess first if the former residential areas would be conducive for living.

PHIVOLCS does not recommended constructing houses on the volcano island due to the risk of having the ground break apart should the volcano proceed to erupt. MNP (with details from Rey Pelayo)

Magnitude 5.4 quake rattles Davao Occidental

Robie de Guzman   •   February 20, 2020

MANILA, Philippines – A magnitude 5.4 earthquake rattled parts of Davao Occidental on Thursday afternoon, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported.

In its bulletin, Phivolcs said the epicenter of the quake that struck around 5:54 p.m. was traced 35 kilometers southeast of Jose Abad Santos in Davao Occidental.

It had a depth of 190 kilometers and tectonic in origin.

The tremor was felt at intensity III in General Santos City, Tupi and Polomolok in South Cotabato, and Alabel, Saranggani; intensity II in Maasin and Malapatan, Sarangani, and Davao City, while intensity I was felt in Tampakan, South Cotabato.

Phivolcs said there was no reported damage but aftershocks should be expected.

Taal Volcano status lowered to Alert level 2 – Phivolcs

Robie de Guzman   •   February 14, 2020

Aerial photos Taal Volcano eruption aftermath epa08135676 Handout aerial photo provided by the Office of Civil Defense shows the Taal Volcano crater in Batangas province, south of Manila, Philippines, 17 January 2020. The Philippine Institute of Volcanology and Seismology (PHIVOLCS) has kept the alert level at four, following the volcano’s eruption on 12 January 2020. EPA-EFE/OFFICE OF CIVIL DEFENSE HANDOUT HANDOUT EDITORIAL USE ONLY/NO SALES

MANILA, Philippines – The Philippine Institute of Volcanology and Seismology (Phivolcs) on Friday downgraded Taal Volcano’s status from alert level 3 to alert level 2 following indications of decreased unrest in the recent weeks.

In its bulletin, Phivolcs said it lowered the alert level status of Taal Volcano after three weeks due to less frequent volcanic activity, stabilizing ground deformation of the Taal Caldera and Taal Volcano Island edifices, and weak steam or gas emissions at the Main crater.

“DOST-PHIVOLCS is lowering the alert status of Taal Volcano from Alert Level 3 to Alert Level 2 to reflect the overall decreasing trend in the level of monitoring parameters,” it said.

Alert Level 2 means there is decreased unrest, but State volcanologists said this should not be interpreted that unrest has ceased or that the threat of an eruption has disappeared.

The agency also reminds the public that at alert level 2, sudden steam-driven or phreatic explosions, volcanic earthquakes, ashfall and lethal accumulations or expulsions of volcanic gas can occur and threaten areas within the volcano island and its coast.

It also advised that entry to the Taal Volcano Island – a permanent danger zone – shall remain prohibited.

“Local government units are advised to additionally assess previously evacuated areas within the seven-kilometer radius for damages and road accessibilities and to strengthen preparedness, contingency and communication measures in case of renewed unrest,” Phivolcs said.

“People are also advised to observe precautions due to ground displacement across fissures, frequent ashfall, and minor earthquakes. Communities beside active river channels particularly where ash from the main eruption phase has been thickly deposited should increase vigilance when there is heavy and prolonged rainfall since the ash can be washed away and form lahars along the channels,” it added.

Civil aviation authorities are also advised to direct pilots to avoid flying close to the volcano as airborne ash and ballistic fragments from sudden explosions and wind-remobilized ash may pose hazards to aircraft.

Phivolcs said alert level 3 may be raised again should an uptrend or pronounced change in monitored parameters forewarn a potential eruption.

On January 12, Taal Volcano spewed kilometers-high ash plumes which prompted state volcanologists to raise its status to alert level 4. Thousands of residents within the 14-kilometer radius from the main crater were ordered to flee their homes due to a possible hazardous eruption.

Two weeks later, Phivolcs downgraded Taal’s status to alert level 3, which allowed displaced residents outside the seven-kilometer danger zone to return to their homes.

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