Attachments
I. Situation Overview
On 29 October 2019 at around 9:04 AM, the Philippine Institute of Volcanology and Seismology (PHIVOLCS) recorded the second strong earthquake of Magnitude 6.6 that shook the province of North Cotabato with and almost the same epicentre located 25 kilometers southeast of the municipality of Tulunan of said province with a depth of 7 kilometers.
Just two (2) days after on October 31, 2019 at 9:15 AM, another strong earthquake of Magnitude 6.5 again rocked central and eastern Mindanao was recorded with tectonic in origin at a shallow depth of two (2) kilometers. Once more, the epicentre was determined in Tulunan, North Cotabato.
These earthquakes, as well as the previously recorded earthquake on October 16, 2019 of Magnitude 6.3, with the same epicentre location in Tulunan, North Cotabato, are considered part of a sequence of events from interrelated faults in the region.
A. Magnitude 6.6 Earthquake in Tulunan, North Cotabato
On 29 October 2019, an earthquake with epicenter located southeast of Tulunan, Cotabato occurred with the following details:
B. Magnitude 6.5 Earthquake in Tulunan, North Cotabato
On 31 October 2019, another earthquake with epicenter located northeast of Tulunan, Cotabato occurred with the following details:
Due to the magnitude of these events, small to moderate-sized earthquakes are expected to occur in the epicentral area and may continue for several days to weeks, some of which may be felt. Furthermore, a “No Tsunami Threat” advisory was issued for the M6.6 and M6.5 earthquakes because both were located inland.
Source: DOST-PHIVOLCS Report on the Series of Earthqualkes in Cotabato
ll. EFFECTS
A. Incidents Monitored
31 October 2019
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A landslide incident was reported at Sitio Biao, Brgy. New Esperanza, M’lang,
Cotabato Province due to the Magnitude 6.5 earthquake. -
Eva's Hotel in Quezon Boulevard, National Highway, Kidapawan City, North Cotabato collapsed due to the Magnitude 6.5 earthquake. No casualty was reported from the incident. A demolition order was issued to Eva’s Hotel.
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Brgy. Batasan Gymnasium in Makilala, Cotabato collapsed due to the Magnitude 6.5 earthquake which resulted to one (1) dead.
29 October 2019
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A fire broke-out at G Skin and Domantay Jamora Dental Clinic in General Santos City, South Cotabato. It was declared fire out on the same day (Region XIl).
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The dike near Buluan-Paglat river was damaged that resulted in the continuous flow of water towards Barangays Tual, Damakling, and Poblacion causing flood (BARMM).
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Landslide incident was reported at Sitio Saulbulawan, Barangay Bituan which totally blocked the road going to Barangay Bacong, Tulunan, Cotabato.
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Another landslide incident was reported in Barangay Upper Bala, Magsaysay,
Davao del Sur wherein two (2) missing persons were reported due to the said landslide.
Sources: OCDROs XI, XII and BARMM
NO SIGNIFICANT CHANGES FROM PREVIOUS SITREP
B. Affected Population
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A total of 37,706 families / 188,533 persons (previous report: 35,661 families / 178,305 persons) were affected in 238 barangays in Regions XI and Xll.
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Of which, a total of 4,800 families / 24,000 persons (previous report: 4,362 families / 21,810 persons) are taking temporary shelter in 34 evacuation centers (previous report: 30 evacuation centers), while 1,493 families / 7,465 persons (previous report: 1,370 families / 6,850 persons) are served outside ECs.