Taal Volcano records high-level of sulfur dioxide

Aileen Cerrudo   •   October 6, 2021   •   277

MANILA, Philippines—Taal Volcano has emitted a record-high level of sulfur dioxide (SO2) on Tuesday (October 5), according to the Philippine Institute of Volcanology and Seismology (Phivolcs).

Based on the latest bulletin of Phivolcs, the volcano spewed out 25,456 tons of SO2 dominated by upwelling of hot volcanic fluids in its lake. The volcanic activity also generated plumes 1,500 meters tall that drifted northwest and northeast.

Alert Level 2 remains over Taal Volcano. Phivolcs reminds the public that at Alert Level 2, sudden steam- or gas-driven explosions, volcanic earthquakes, minor ashfall, and lethal accumulations or expulsions of volcanic gas can occur and threaten areas within and around the Taal Volcano Island (TVI).

Phivolcs has recommended that entry into Taal Volcano Island, Taal’s Permanent Danger Zone or PDZ must be strictly prohibited, especially the vicinities of the Main Crater and the Daang Kastila fissure, and occupancy and boating on Taal Lake. AAC

 

Magnitude 5.1 quake rattles Occidental Mindoro

Robie de Guzman   •   December 21, 2021

A magnitude 5.1 quake jolted parts of Occidental Mindoro and nearby areas on Tuesday, the Philippine Institute of Seismology and Volcanology (PHIVOLCS) said.

In a bulletin, PHIVOLCS said the epicenter of the quake was located 15 kilometers northeast of Sablayan, Occidental Mindoro. It occurred at 12:08 p.m.

The temblor was a tectonic in origin and had a depth of 15 kilometers.

PHIVOLCS said the quake was felt at the following areas:

• Intensity IV – Sablayan and Rizal, Occidental Mindoro
• Intensity III – Abra De Ilog, Santa Cruz and Calintaan, Occidental Mindoro; Calapan City and Bansud, Oriental Mindoro
• Intensity II – Makati City; Batangas City; Baco, Oriental Mindoro
• Intensity I – Puerto Galera, Oriental Mindoro; Tingloy, Batangas;

“This is an aftershock of the October 03, 2021 M5.3 Sablayan, Occidental Mindoro Earthquake event,” the agency noted in its report.

Damage and aftershocks are to be expected following the quake, PHIVOLCS said.

Magnitude 5.5 quake hits Paluan, Occidental Mindoro — Phivolcs

Maris Federez   •   December 13, 2021

MANILA, Philippines — A magnitude 5.5 earthquake hit the town of Paluan in Occidental Mindoro at 5:12 in the afternoon on Monday (December 13).

The Philippine Institute of Volcanology and Seismology (Phivolcs) said the tremor was tectonic in origin with a depth of 104 kilometers.

Reported intensities were as follows:

Intensity IV- Calatagan, Batangas; Puerto Galera, Oriental Mindoro;

Intensity III – Batangas City, Lemery, Malvar and Bauan, Batangas; Tagaytay City and Amadeo, Cavite; Quezon City; City of Manila and Pasay City

Intensity II- Taguig City; Mandaluyong City; Makati City; Caloocan City; Malabon City; Tanay, Rizal; San Felipe, Zambales

Instrumental Intensities, on the other hand, reported the following:

Intensity IV – Calatagan, Batangas; Calapan City, Oriental Mindoro

Intensity III – Tagaytay City, Cavite; Plaridel, Bulacan; Batangas City; San Jose, Occidental Mindoro

Intensity II – San Ildefonso, Calumpit, and San Rafael, Bulacan; Carmona, Cavite; Muntinlupa City; Olongapo City; Malolos City, Bulacan; Dolores, Quezon; Talisay, Batangas

Intensity I – Pasig City; Quezon City; Las Piñas City; Malabon City; Marikina City; Guagua, Pampanga; Cabanatuan City, Nueva Ecija; Mulanay and Mauban, Quezon; Pandi and Marilao, Bulacan

Phivolcs said that there was no notable damage from the quake but aftershocks are likely to take place.

PHIVOLCS: Magnitude 5.3. quake jolts Batangas, others areas

Robie de Guzman   •   December 13, 2021

MANILA, Philippines — An earthquake with a magnitude of 5.3 hit parts of Batangas and other nearby areas, the Philippine Institute of Volcanology and Seismology (PHIVOLCS) said Monday.

In its earthquake bulletin, the PHIVOLCS said the quake was recorded approximately 24 kilometers southwest of Calatagan Batangas around 5:12 p.m.

The temblor had a depth of 99 kilometers and was tectonic in origin.

PHIVOLCS said Intensity 3 was felt in Quezon City while intensity 2 was felt in San Felipe in Zambales.

Instrumental Intensity 1 was felt in Quezon City, Tagaytay City, Batangas City, and Calatagan.

PHIVOLCS said no damage is expected from the quake but aftershocks are likely to occur.

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