moro gulf earthquake damage


v. 14. no. Badillo, Victor L. and Astilla, Zinnia C.; 1978, Moro Gulf Tsunami of 17 August 1976, 41 pp. COTABATO FIRE and POLICE STATIONThe building settled out of plumb toward the river during the earthquake. After the earthquake, a fire broke out in the science wing. Exploring the Mysterious “Lost Island” of San Juan. It consists of concrete exterior columns, thin concrete exterior walls, timber interior columns and floor systems, and plywood interior partitions. THE TECHNICAL SCHOOLA two-story building built in 1965. If there’s anything that the Mindanao tsunami and earthquake could teach us, it would be the universal truth that terrible things always happen when we least expect it. THE AUDITORIUM AND SCIENCE BUILDINGThis is a 48 x 30 m auditorium crossed at its entrance by a three-story 51 x 12 m science wing. They were poorly built. ©2018 | Philippine Institute of Volcanology and Seismology | All rights reserved. Intensity VII           Cotabato City; Jolo-Sulu; Zamboanga CityIntensity VI            Basilan City; Pagadian City; Dipolog City; Malaybalay-BukidnonIntensity V             Cagayan de Oro City; Davao City; General Santos CityIntensity IV            Dumaguete City; Hinatuan Surigao del Sur; Tagbilaran-Bohol; Cebu City; Surigao-                                                                                         Surigao del NorteIntensity II              Roxas City; Iloilo City; Tacloban City; Legaspi City; Palo-Leyte; Catbalogan-Samar, Summary of PAGASA field reports on main shock ground motion. FilipiKnow strives to ensure each article published on this website is as accurate and reliable as possible. From the depths of the Moro Gulf came giant waves that moved in all directions, slowing down as it reached the surface to form one of the most terrifying phenomena known to mankind—tsunami. The cities and provinces of Cotabato took the brunt of the earthquake while the tsunami generated cast its doom on the provinces bordering Moro Gulf especially on the shores of Pagadian City. (Go to Amicus Building for additional information.). The City Hall bore noticeable cracks along its façade. ZAMBOANGA CITYFourteen buildings in this City of Flowers were partially damaged while twenty-six buildings sustained minor damage. Monitoring started on the 18th of August 1976 using a three component Hosaka seismograph and a single-component Kinemetrics seismometer.

History repeats itself, and in the case of the 1976 Moro Gulf tragedy, only God knows how long will it take before a Philippine trench unleashes the “Big One” again. Aftershocks in Cotabato City were monitored by the Commission on Volcanology (now Philippine Institute of Volcanology and Seismology) and during the span of time that the aftershocks were monitored, an average of about 140 aftershocks per day were recorded.
The building was reportedly designed for three stories with the fourth and fifth floor added later with no strengthening of the lower stories. Mezzanine storey damage on the east side of Melbourne Hotel.

Damage to the building was light. About ten minutes later, it roared back to the shore and beyond in three succeeding waves soaring as high as the treetops according to some reports. A massive tsunami devastated 700 kilometers of coastline bordering the Moro Gulf in the North Celebes Sea, resulting in destruction and death in the coastal communities of the Sulu Archipelago, southern Mindanao particularly Sultan Kudarat and Sarangani (formerly part of South Cotabato), and in the Zamboanga Peninsula including Zamboanga City and Pagadian City. Date of Event 17 August 1976Time 12:11 A.M. (Local)Epicenter 06.3° N, 124.0° EMagnitude 7.9, Analysis of seismic records for August 1976 prior to August 17 of the same year showed that there were six events recorded that had epicenters in the same area as the main shock and could be considered as foreshocks of the Moro Gulf earthquake. Located along the Pacific Ocean’s Ring of Fire, the Philippines is literally surrounded by different trenches that could unleash powerful waves once an earthquake forms. Initially over 8,000 people were officially counted as killed or missing, 10,000 injured, and 90,000 homeless, making it one of the most devastating disasters in the history of the Philippine Islands. Also Read: Atlantis of the Philippines? IMMACULATE CONCEPTION CHURCHThis church was located across the street from Tison Building. There were approximately forty (40) aftershocks that were plotted using available data from the seismic network of PAGASA. It was also in the late 1970s when he created the forerunner of today’s National Disaster Risk Reduction and Management Council which is tasked to ensure the protection of the Filipino people in times of disasters. Called by Phivolcs the “largest tsunamigenic earthquake to have occurred in Mindanao in the last two decades,” the Moro Gulf earthquake killed …

The 1976 Moro Gulf earthquake and tsunami took place on August 17 at 00:11 local time near the islands of Mindanao and Sulu, in the Philippines. Gusto mo bang kumita ng pera? Signs of the impending cataclysm happened so quick, giving those in the coastline little or no time to prepare. You may not alter or remove any trademark, copyright or other notice from copies of the content.

The initial earthquake was widespread and was felt as far as the central Philippine islands of the Visayas. Zamboanga City was spared from the onslaught of the tsunami on account of the strategic geographic location of Basilan and Santa Cruz Islands that served as buffers and deflected the waves that otherwise could have inflicted heavy damage along Zamboanga City's coastline. Philippine Institute of Volcanology and Seismology, Address: PHIVOLCS Building, C.P Garcia Ave., U.P. This offshore event generated by Cotabato trench, a less prominent trench system in the Philippines, was the largest tsunamigenic earthquake to have occurred in Mindanao in … The approach to the Pagadian City wharf settled down, causing cracks in the slabs of the approach area and in the concrete deck.

Earthquake (Ms = 7.8) -- evidence for a subduction zone south of Mindanao, 14 pp. A number of such buildings had been constructed on alluvial deposits with no adequate pile support. A massive tsunami devastated 700 kilometers of coastline bordering the Moro Gulf in the North Celebes Sea, resulting in destruction and death in the coastal communities of the Sulu Archipelago, southern Mindanao particularly Sultan Kudarat and Sarangani (formerly part of South Cotabato), and in the Zamboanga Peninsula including Zamboanga City and Pagadian City.

If you wish to use filipiknow.net content for commercial purposes, such as for content syndication etc., please contact us at [email protected], link to How to Write a Concept Paper for Academic Research: An Ultimate Guide, link to How to Choose a Course in UP: A Guide to Quota and Non-Quota Courses, Mt.Pinatubo’s Eruption Aftermath, As Seen From Space, Deadliest Earthquakes in Philippine History, Atlantis of the Philippines? (Go to Imperial Hotel #1 for additional information.). At exactly eleven minutes past midnight on August 17, 1976, a massive earthquake with the magnitude varying between 7.9 and 8.2 on the Richter scale jolted those in the areas surrounding Moro Gulf in Mindanao. Within few minutes after the earthquak… When the official casualty count was released, the extent of the strongest and deadliest earthquake to ever hit the Philippines became apparent. It had a concrete frame and floor slab.

The first story columns and fins were damaged at the head and sill levels and the canopy collapsed at its end bay. The five-story reinforced concrete building of Saint Columban College had noticeable cracks in the masonry infilled walls. NEW SOCIETY HOTELA four-story reinforced concrete frame building with shear walls and reinforced concrete slabs for its floors and roof. [5] After the initial earthquake the people were unaware of the need to move to higher ground; when the tsunami hit it sucked most of the victims out to sea. Its grounds were very soft and the church was obviously not built on piles.

The impact also caused shear failure of the second story column.
The roof trusses in the stage area sagged heavily due to the intense heat. But there’s still time to prepare, and for the Philippine government and communities to proactively avoid the dangers that lie ahead.

The building collapsed completely.

The first story collapsed toward the west during the earthquake. There was a 3 m concrete panel at the entrance that was heavily cracked and damage to the frame was minor. The tsunami generated contributed immensely to the devastation. The first story collapsed gradually, according to the proprietor, with the upper stories coming to rest approximately 3 m west of its original location. Its first and second story columns sustained heavy damage. The pile cap and water table were nearly coincidental. But it was too late. ; 1977, EERI Reconnaissance Report Mindanao, Philippines Earthquake August 17, 1976, 106 pp. Otherwise, there was no structural failure noted on the building itself. Its frame was of reinforced concrete while the walls are infilled hollow blocks. The northern section moved even greater distances. It had reinforced concrete frame with masonry infills built in 1969. A pile foundation had been used. After the earthquake, the center section moved east and west in excess of 38 cm each way evidenced by the broken concrete keepers on each end of the supporting piers. The initial earthquake was widespread and was felt as far as the central Philippine islands of the Visayas.

The majority of buildings failed because of poor construction or inadequate foundations.

Ateneo de Zamboanga sustained failures at the sill level of its columns on the fourth floor due probably to poor concreting and column weakening because of water seepage from the GI downpipes embedded in the columns. Source: Badillo, V.L. The whole structure was built on timber piles. Statistics also show that the area surrounding the Moro Gulf is the most prone to tidal waves. Bits of houses littered the sea and bodies littered the shore. It had reinforced concrete frame with reinforced concrete slabs at the second level and at the exterior walkways at the third, fourth and fifth levels. Nonetheless, the staggering number of properties destroyed was not even enough to equal the human lives lost in the tragedy. Four decades after the tragedy, people in the coastal regions of Mindanao continue to commemorate the Moro Gulf tsunami that claimed the lives of thousands and left many survivors traumatized.

The auditorium suffered heavy fire damage. Learn 46 of the most legit and best ways to earn money online in the Philippines. 4. The auditorium frame and its infilled east wall were knocked over by Imperial Hotel #1 and the roof on this part of the structure collapsed.

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