by Marje Pelayo | Posted on Tuesday, December 4th, 2018
FILE PHOTO: Mayon Volcano on a sunny weather
ALBAY, Philippines – The Philippine Institute of Volcanology and Seismology (Phivolcs) is constantly monitoring the activity of Mt. Mayon following a series of minor ash emissions.
According to Senior Science Specialist Dr. Ed Laguerte, these activities cannot be equated into something alarming. It is just a result of the cooling off of magma inside the volcano following its latest eruption in January.
However, they are considered abnormal activity as far as Mt. Mayon is concerned.
“Sa geophysics kasi hindi gaano, walang masyadong ipinapakita ngayon, maliban doon sa mga gas output nito. Mga pailan-ilan tapos nagkakaroon ka ng ash emission tapos sa gas output nagrarange pa rin doon sa hindi pa rin normal kasi meron pa ngang nagdedegas na magma,” Laguerte explained.
The expert added that they have monitored a slight swelling in the upper slope of the volcano.
Still, it is not a reason to raise the current alert level 2 to level 3.
Meanwhile, Phivolcs is currently using a new equipment in monitoring volcanic activities in the country.
The agency is now using the Fourier transform infrared spectroscopy (FTIS) facility which is used to obtain an infrared spectrum of absorption or emission of a solid, liquid or gas. The facility, which was bought in Germany, is also expected to generate data regarding Mt. Mayon’s other gas emissions.
As for the recent activity of Mt. Mayon, the Phivolcs has recorded around nine volcanic quakes within 24 hours and about 1,377 tons of sulfur dioxide gas have been spewed from the period of November 30 to date – Marje Pelayo (with reports from Allan Manansala)
by Maris Federez | Posted on Friday, May 10th, 2019
The Philippine Institute of Volcanology and Seismology (Phivolcs) has raised the alert on Mount Bulusan in Sorsogon to level 1.
This after the volcano showed abnormal activities, based on the number of volcanic earthquakes recorded in the past days.
Phivolcs senior science research specialist, Dr. Paul Alanis, said, “ang na-detect po namin sa Bulusan ay may abnormal na bilang o number ng mga paglindol at yung medyo tumaas din po yung temperatura ng mga hot spring sa paligid ng bulkan. At bukod doon mayroon kaming na-detect na kunting pamamaga ng bulkan or inflation [We detected an abnormal number of earthquakes and a slight rising of temperature in the hot springs surrounding the mountain. Aside from that, we also detected a slight inflation of the volcano].”
Phivolcs said the mountain’s abnormal activity is possibly hydrothermal eruption, meaning it is caused by the extreme heat of the water in the earth’s crust and not by magma.
Alanis added that phreatic eruptions are still likely to happen in Mount Bulusan in the coming days.
Phivolcs, however, has assured that should Bulusan completely explode, it will not be as strong as that of Mayon Volcano in Albay.
Dr. Alanis also advised the residents around Mount Bulusan to stay clear of the mountain.
“Iwasan po natin ang pagpasok sa 4km permanent danger zone. Samantala naman po yung mga nakatira sa ilog maging alerto po lalo na ngayon magsisimula na ang pag-ulan [Do not enter the 4km permanent danger zone. Those living near the river must be alert, especially now that the rainy season is about to start],” he added. (with details from Allan Manansala) /mbmf
by Maris Federez | Posted on Monday, April 22nd, 2019
The Department of Energy (DOE) has activated the Task Force Energy Resiliency (TFER) in light of Monday afternoon’s 6.1 magnitude earthquake.
The Philippine Institute of Volcanology and Seismology (Phivolcs) has initially reported the earthquake at magnitude 5.7, but later on, revised the report and raised the magnitude to 6.1.
The DOE also announced that the National Grid Corporation of the Philippines’ (NGCP) initial report indicated that the earthquake caused power interruptions in Pangasinan, Pampanga, La Union, and Bataan.
The NGCP also reported that the provinces of Quezon, Batangas, Camarines Sur, and Sorsogon were also affected but have already been restored.
The DOE advised that in the event that the affected facilities and capacities will be unable to come online, the occurrence of power outages is probable.
The energy department assured that situation updates on the status of energy facilities will be released as soon as the information becomes available. – Maris Federez
Intensity IV – Pasig City; Makati City; Caloocan City; Meycauayan and San Jose Del Monte, Bulacan; Floridablanca, Pampanga; Villasis, Pangasinan; Tagaytay City; Villasis, Pangasinan; Baguio City; Marikina City; Las Pinas City
Intensity III – Dasmarinas, Indang and Gen. Trias, Cavite; Lucban, Quezon; Muntinlupa City, Cabanatuan City; Palayan City; Gapan City; Santo Domingo and Talavera, Nueva Ecija
Intensity II – Baler, Aurora
Intensity V – Angeles City; Malolos, Bulacan;
Intensity IV – Quezon City; San Juan City; Pasig City; Muntinlupa City; Gapan City; Cabanatuan City; Tagaytay City; San Ildefonso, Bulacan
Intensity III – Mauban, Quezon; Talisay, Batangas; Guagua, Pampanga; Olongapo City
Intensity II – Lucena City; Dolores and Lucban, Quezon; Dagupan City; Daet, Camarines Norte
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