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1990 Luzon Earthquake
The 1990 Luzon earthquake struck the island of Luzon in the Philippines at 4:26 p.m. on July 16 ( PDT) or 3:26 p.m. ( PST) with an estimated moment magnitude of 7.7 and a maximum Mercalli intensity of IX (''Violent'') and produced a 125 km-long ground rupture that stretched from Dingalan, Aurora to Kayapa, Nueva Vizcaya. The event was a result of strike-slip movements along the Philippine Fault and the Digdig Fault within the Philippine Fault System. The earthquake's epicenter was near the town of Rizal, Nueva Ecija, northeast of Cabanatuan City. An estimated 1,621 people were killed, most of the fatalities located in Central Luzon and the Cordillera region. Impact The earthquake caused damage within an area of about 20,000 square kilometers, stretching from the mountains of the Cordillera Administrative Region and through the Central Luzon region. The earthquake was strongly felt in Metropolitan Manila, destroying many buildings and leading to panic and sta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hyatt Terraces Baguio Hotel
Hyatt Terraces Baguio, also known as the Terraces Plaza, was a 12-storey hotel located along South Drive in Baguio, Philippines. It was destroyed during the 1990 Luzon earthquake. History Before the Hyatt management's takeover in 1979, the Terraces Plaza was built during the Philippines "hotel boom," opening in time for the World Bank-International Monetary Fund 1976 meeting of the Board of Governors which was held in Manila. General Manager Heinrich Maulbecker of Hyatt Bangkok was tasked in 1978 to check on a property in Baguio called The Terraces Plaza to study the viability of converting the hotel property into a Hyatt brand. The Terraces Plaza was later rebranded as Hyatt Terraces Plaza Baguio and Maulbecker became the general manager of the Baguio hotel until the destruction of the hotel during the 1990 Luzon earthquake The 1990 Luzon earthquake struck the island of Luzon in the Philippines at 4:26 p.m. on July 16 ( PDT) or 3:26 p.m. ( PST) with an estimate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Surface Rupture
In seismology, surface rupture (or ground rupture, or ground displacement) is the visible offset of the ground surface when an earthquake rupture along a fault affects the Earth's surface. Surface rupture is opposed by buried rupture, where there is no displacement at ground level. This is a major risk to any structure that is built across a fault zone that may be active, in addition to any risk from ground shaking. Surface rupture entails vertical or horizontal movement, on either side of a ruptured fault. Surface rupture can affect large areas of land. __TOC__ Lack of surface rupture Not every earthquake results in surface rupture, particularly for smaller and deeper earthquakes. In some cases, however, the lack of surface effects is because the fault that moved does not reach the surface. For example, the 1994 Northridge earthquake had a moment magnitude of 6.7, caused major damage in the Los Angeles area, occurred at below the Earth's surface, but did not cause surface ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1994 Mindoro Earthquake
The 1994 Mindoro earthquake occurred at near Mindoro, Philippines. It had a moment magnitude of 7.1 and a maximum Rossi–Forel of VII (''Very strong tremor''). It is associated with a ground rupture, called the Aglubang River fault.Rimando, R.E., Punongbayan, R.S., Geronimo-Catane, S.G., Mirabueno, H.S., Rasdas, A.S., 1995. Ground rupture of the November 15, 1994, Oriental Mindoro (Philippines) earthquake. XXI General Assembly of IUGG, Abstracts, p. A422. Seventy eight people were reported dead, and 7,566 houses were damaged. The earthquake generated a tsunami and landslides on the Verde Island. Earthquake The epicenter of this earthquake was located in the Verde Island Passage, a strait separating Luzon and Mindoro. The focal mechanism showed predominantly right-lateral strike-slip faulting. The released seismic moment was about 5.12×1019 Nm. Surface faulting The Aglubang River fault, which shows a right-lateral strike-slip sense of movement, extends from Malaylay Island ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2019 Luzon Earthquake
On April 22, 2019, a 6.1 magnitude earthquake struck the island of Luzon in the Philippines, leaving at least 18 dead, three missing and injuring at least 256 others. Despite the fact that the epicenter was in Zambales, most of the damage to infrastructure occurred in the neighboring province of Pampanga, which suffered damage to 29 buildings and structures. Earthquake The Philippine Institute of Volcanology and Seismology (PHIVOLCS) initially reported an earthquake of magnitude 5.7 striking at 17:11 PST with an epicenter two kilometers N 28° E of Castillejos, Zambales. The report was later revised to an earthquake of magnitude 6.1 with epicenter 18 kilometers N 58° E of Castillejos. The fault from which the earthquake originated is yet to be determined, with geologists focusing on two nearby fault systems, the Iba Fault and the East Zambales Fault, trying to ascertain the source of the earthquake. Casualties As of April 29, 2019, the National Disaster Risk Reduction ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1999 Luzon Earthquake
On December 12, 1999, a earthquake struck the northern coast of Zambales in the Philippines. It was felt in various provinces on the island of Luzon including as far north as Ilocos Norte and as far south as Quezon. This is the second earthquake with a magnitude of 7 to hit the area in 10 years with a earthquake having occurred in 1990 which killed more than 2,000 people. Impact The earthquake resulted in at least 6 deaths and 40 injuries within the regions of Zambales, Pangasinan, and Manila. Of the 40 injuries, 30 were reported in the provinces of Zambales and Pangasinan, while the other 10 were from the Manila metropolitan area. Infrastructure in Zambales and Pangasinan, things like bridges and water pumping stations, was also damaged to a minor extent. Many hotels and hospitals in the region had to be evacuated as well. Thirty houses and two churches in Zambales were damaged. In Manila several government buildings were damaged including the Department of public work and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Geological Survey
The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization's work spans the disciplines of biology, geography, geology, and hydrology. The USGS is a fact-finding research organization with no regulatory responsibility. The agency was founded on March 3, 1879. The USGS is a bureau of the United States Department of the Interior; it is that department's sole scientific agency. The USGS employs approximately 8,670 people and is headquartered in Reston, Virginia. The USGS also has major offices near Lakewood, Colorado, at the Denver Federal Center, and Menlo Park, California. The current motto of the USGS, in use since August 1997, is "science for a changing world". The agency's previous slogan, adopted on the occasion of its hundredt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1968 Casiguran Earthquake
The 1968 Casiguran earthquake occurred on with a moment magnitude of 7.6 and a maximum Mercalli intensity of IX (''Violent''). The thrust earthquake's epicenter was in Casiguran, Quezon (now part of Aurora province). A small non-destructive tsunami was generated and at least 207 people were killed. The majority of the deaths occurred in the collapse of a six-story building in Manila. Damage In Manila, many structures that suffered severe damage had been built near the mouth of the Pasig River on huge alluvial deposits. A number of buildings were damaged beyond repair while others only suffered cosmetic damage. 268 people were reported to have died during the collapse of the six-story Ruby Tower, located at the corner of Doroteo Jose and Teodora Alonzo Streets in the district of Santa Cruz. The entire building, save for a portion of the first and second floors at its northern end, was destroyed. Allegations of poor design and construction, as well as the use of poor-quality bu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1990 Luzon Intensity
Year 199 ( CXCIX) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was sometimes known as year 952 ''Ab urbe condita''. The denomination 199 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events By place Roman Empire * Mesopotamia is partitioned into two Roman provinces divided by the Euphrates, Mesopotamia and Osroene. * Emperor Septimius Severus lays siege to the city-state Hatra in Central-Mesopotamia, but fails to capture the city despite breaching the walls. * Two new legions, I Parthica and III Parthica, are formed as a permanent garrison. China * Battle of Yijing: Chinese warlord Yuan Shao defeats Gongsun Zan. Korea * Geodeung succeeds Suro of Geumgwan Gaya, as king of the Korean kingdom of Gaya (traditional date). By topic Religion * Pope Zephyrinus succeeds Pope Victor I, as the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philippine Institute Of Volcanology And Seismology
The Philippine Institute of Volcanology and Seismology (PHIVOLCS, ; tl, Surian ng Pilipinas sa Bulkanolohiya at Sismolohiya) is a Philippine national institution dedicated to provide information on the activities of volcanoes, earthquakes, and tsunamis, as well as other specialized information and services primarily for the protection of life and property and in support of economic, productivity, and sustainable development. It is one of the service agencies of the Department of Science and Technology. PHIVOLCS monitors volcano, earthquake, and tsunami activity, and issues warnings as necessary. It is mandated to mitigate disasters that may arise from such volcanic eruptions, earthquakes, tsunamis, and other related geotectonic phenomena. History This government organization was formed after a historical merging of official functions of government institutions. One of its first predecessors is the Philippine Weather Bureau created in 1901 when meteorological, seismological a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cabanatuan City
Cabanatuan, officially the City of Cabanatuan ( fil, Lungsod ng Cabanatuan; ilo, Siudad ti Cabanatuan), is a 1st class component city in the province of Nueva Ecija, Philippines. According to the 2020 census, it has a population of 327,325 people, making it the most populous city in Nueva Ecija and the fifth-most populous in Central Luzon. The city is popular for being home to more than 30,000 motorized tricycles, making it the "Tricycle Capital of the Philippines" and its strategic location along the Cagayan Valley Road has made the city a major economic, educational, medical, entertainment shopping and transportation center in Nueva Ecija and nearby provinces in the region such as Tarlac, Aurora, and Bulacan. It has also earned the moniker "Gateway to the North". Cabanatuan remained Nueva Ecija's capital until 1965, when the government created nearby Palayan City as the new provincial capital. Nueva Ecija's old capitol and other government offices are still used and mainta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philippine Fault System
The Philippine Fault System is a major inter-related system of geological faults throughout the whole of the Philippine Archipelago, primarily caused by tectonic forces compressing the Philippines into what geophysicists call the Philippine Mobile Belt. Some notable Philippine faults include the Guinayangan, Masbate and Leyte faults. Philippine Mobile Belt The Philippine Mobile Belt is composed of a large number of accretionary blocks and terranes. These terranes are long and narrow like the Zambales ophiolites which is at least 400 km long and 50 km wide. The strips generally run north–south and the zones of convergence are usually demarcated by fault lines. The Philippine Mobile Belt is compressed on the west by the Eurasian Plate and two arms of the Sunda Plate, and on the east by the Philippine Sea Plate. These tectonic plates have compressed and lifted parts of the Philippines causing extensive faulting, primarily on a north–south axis. All faults in the P ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carranglan, Nueva Ecija
Carranglan, officially the Municipality of Carranglan ( ilo, Ili ti Carranglan; tl, Bayan ng Carranglan), is a 1st class municipality in the province of Nueva Ecija, Philippines. According to the 2020 census, it has a population of 42,420 people. The municipality is home to the Pantabangan–Carranglan Watershed Forest Reserve. History Geography It is the province's largest municipality in terms of land area. Barangays Carranglan is politically subdivided into 17 barangays. Climate Demographics Economy TourismSaint Nicolas of Tolentine Parish Church of Carranglan Gallery [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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