No major damage in ports after magnitude 7.1 earthquake in Davao Oriental — DOTr

Marje Pelayo   •   August 12, 2021   •   393

MANILA, Philippines — The Department of Transportation (DOTr) on Thursday (August 12) reported that the magnitude 7.1 earthquake that struck Davao Oriental did not cause any major damage to any port managed by the Philippine Ports Authority (PPA).

After assessment, no damage to the runway, taxiway and ramp of Davao Airport was reported following the tremor.

There were no reported injuries and all personnel are accounted for, the DOTr said.

Meanwhile, based on the preliminary assessment report of the Civil Aviation Authority of the Philippines (CAAP) there were reported minor cracks on the runway of Mati Airport.

However, no damage on the Passenger Terminal Building was reported. Full assessment for Mati is ongoing, the agency added.

As for all facilities of the Land Transportation Franchising and Regulatory Board (LTFRB), the Land Transportation Office (LTO) and public terminals affected by the earthquake in Region 11 so far have no reported damage, the agency said.

The Philippine Institute of Volcanology and Seismology (Phivolcs) reported a magnitude 7.1 earthquake that jolted the province of Davao Oriental at around 1:00 AM today which was felt in some areas in the region.

According to Philvolcs, Intensity 5 was experienced in areas of Governor Generoso, City of Mati, Baganga, at Lupon, Davao Oriental; City of Tagum, City of Panabo, Carmen, at Nabunturan, Davao del Norte; General Santos City; Alabel, and Malungon, Sarangani;

Meanwhile, Intensity 4 was felt in Davao City; Kiblawan, Davao del Sur; City of Koronadal in Tampakan, Tupi, and Polomolok in South Cotabato; Glan, Malapatan, and Kiamba in Sarangani; and Monkayo in Davao de Oro.

Intensity 3 was felt in Kabacan, Cotabato and Bayugan, Agusan del Sur.

Intensity 2 was experienced in Cagayan de Oro City; Maasim in Sarangani; Arakan and Banisilan in Cotabato.

Intensity 1 was felt in Mambajao in Camiguin Island.

Phivolcs says damage and aftershocks are expected.

Phivolcs reports weak explosion in Mt. Pinatubo

Maris Federez   •   December 1, 2021

MANILA, Philippines — A weak explosion was recorded at Mount Pinatubo on Tuesday afternoon, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported.

The Pinatubo Volcano Network recorded seismic and infrasound signals of a weak explosion at Mt. Pinatubo between 12:09 and 12:13PM, an advisory from Phivolcs said.

The agency confirmed that the event produced a plume that was detected by Japan’s Himawari-8 Satellite.

“The seismic and infrasound signals are not typical of known volcanic processes and are currently being evaluated together with other potential sources,” Phivolcs said.

The advisory further read that there has been very low seismic activity in the past days.

It added that the geochemical survey at Mt. Pinatubo Crater Lake yielded low diffused volcanic CO2, discounting magmatic activity beneath the edifice.

Phivolcs cautioned the public to refrain from going in the vicinity of Mount Pinatubo.

The agency also advised local government units (LGUs) to ban entry into the Pinatubo Crater until the source of the explosion is determined.

“Communities and LGUs surrounding Pinatubo are reminded to be always prepared for both earthquake and volcanic hazards and to review, prepare and strengthen their contingency, emergency, and other disaster preparedness plans,” Phivolcs said.

Phivolcs records sequence of earthquakes in Bicol region

Maris Federez   •   October 18, 2021

MANILA, Philippines — The Department of Science and Technology-Philippine Institute of Volcanology and Seismology (DOST-Phivolcs) has recorded a sequence of small earthquakes in the Bicol region following a small shallow-seated earthquake with a magnitude of 4.3 and depth of 4 kilometers occurred at 10:08 p.m. on October 14.

The location of the epicenter of the 4.3 magnitude quake was determined to be at 13.65 north latitude and 123.14 east longitude or at 3 kilometers North and 75 kilometers west of Canaman, Camarines Sur.

A total of 27 earthquakes were recorded by the nearest DOST-Phivolcs earthquake monitoring station located in San Jose, Camarines Sur (Station Code: SCSP).

Magnitude ranges from 1.7 to 4.3 with crustal shallow depths between 1 to 40 kilometers.

The last recorded event associated with this earthquake sequence was at 1:22 a.m. on Monday, October 18.

There was no similar event that followed as of 6:00 a.m.

Phivolcs also recorded ten events that were felt at various intensities in the provinces of Camarines Norte, Camarines Sur and Albay.

Calculation of the intensity distribution for the first event was performed using the Rapid Earthquake Damage Assessment System (Redas) software using the latest calculated parameters of the earthquake, according to the statement released by the DOST.

Results show that the magnitude and shallow depth of this inland event has the potential to cause damage in the general vicinity of the epicenter.

The department said it immediately informed the Office of Civil Defense (OCD) about this during the information release of the first event.

The DOST also noted that social media posts indicate that the event was widely felt with unconfirmed observations of non-structural damage (glass door was damaged) and damage to building content.

This prompted OCD to instruct their regional office to investigate the reported damage in the affected areas.

DOST-Phivolcs said that based on the collected data, this sequence of events, showing no identifiable large event, can be considered as an earthquake swarm that may occur in a tectonically active region, as suggested by sparse seismicity in this area of the Bicol region.

DOST-Phivolcs said it will closely monitor any progress of this earthquake activity and will continue to post updated information at the Phivolcs Official website.

6 dead after diarrhea outbreak hits Davao Oriental town

Aileen Cerrudo   •   October 8, 2021

Six people have died due to a diarrhea outbreak that was reported in four barangays in Manay, Davao Oriental, its Provincial Health Office (PHO) confirmed.

The PHO Davao Oriental reported a total of 44 cases: 24 from Barangay Cayawan, eight from Barangay Guza, seven from Barangay Central, and five cases from Barangay Del Pilar. Among the 44 cases, 26 have already recovered, 10 are in home care, while two are hospitalized.

Medical supplies have been distributed in the affected areas.

The PHO on Saturday (October 9) will conduct rectal swabbing to determine the cause of the outbreak.

Meanwhile, the local government of Davao Oriental has ordered an investigation into the said outbreak. AAC 

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