Dajia River ( Chinese : 大甲溪 ; pinyin : Dàjiǎ Xī ; Pe̍h-ōe-jī : Tāi-kah-khoe ; lit. 'big shell river') is the fifth-longest river in Taiwan located in the north-central of the island. It flows through Taichung City for 142 km. The sources of the Dajia are: Hsuehshan and Nanhu Mountain in the Central Mountain Range . The Dajia River flows through the Taichung City districts of Heping , Xinshe , Dongshi , Shigang , Fengyuan , Houli , Shengang , Waipu , Dajia , Qingshui , and Da'an before emptying into the Taiwan Strait .
39-590: Taiwan's Central Cross-Island Highway runs along the Dajia River from Heping to Dongshih. The Taichung Beltway begins in Fongyuan and follows the Dajia through into Cingshuei. The mountain streams of the upper Dajia River are the only habitats of the critically endangered landlocked Formosan salmon . The Deji Reservoir ( 德基水庫 ; Déjī Shuǐkù ; 'virtuous foundation reservoir'), formed by Techi Dam ,
78-667: A few cases. In Nantou County , towns such as Puli suffered heavy damage, and there were 846 deaths, 153 missing and 1,889 injuries. Due to the relatively remote location of many of the affected settlements, aid from the central government took some time to reach some survivors. About 80 percent of houses in Zhongliao were severely damaged or destroyed. At least 1,074 deaths and 3,648 injuries were reported in Taichung County , where 3,211 houses were destroyed. The Port of Taichung , one of Taiwan's major commercial harbours,
117-555: A peer review process; no building that had undergone this process collapsed, contrasting with a number of dramatic failures of buildings just under 50 metres in height. Immediately following the earthquake an emergency cabinet meeting was convened to discuss how to tackle the aftermath. The same day the ROC military was mobilised, with large numbers of conscripted soldiers heading to stricken regions to assist in distributing emergency supplies, clearing roads, and rescuing people trapped in
156-616: A section of Houfeng Bridge (which links Houli Township and Fengyuan City ), leaving six people dead. In June 2010, the bridge finally reopened to vehicular traffic after over NT$ 1.4 billion of reconstruction work. 24°20′00″N 120°33′23″E / 24.3333°N 120.5564°E / 24.3333; 120.5564 This article related to a river in Taiwan is a stub . You can help Misplaced Pages by expanding it . Central Cross-Island Highway The Central Cross-Island Highway ( Chinese : 中部橫貫公路 ) or Provincial Highway 8
195-823: Is a 592-hectare reservoir in Dajia District. The reservoir provides municipal drinking water , generates hydroelectric power , is used for recreation and prevents flooding . Techi and a cascade of five other dams on the Dajia (in sequence from hill top, the Qingshan Dam , Kukuan Dam , Tienlun Dam , Ma'an Dam and Shigang Dam ) produce up to 1,100 megawatts of hydroelectric power and generate more than 2.4 billion KWh per year. The Dajia experiences frequent earthflows during typhoons and heavy rain , damaging homes and breaking up roads, sometimes permanently. In September 2008, rains from Typhoon Sinlaku resulted in storm-swollen waters which washed away supports for
234-546: Is estimated to be 2.1 × 10 J , approximately the same as the yield of the Tsar Bomba . The earthquake was in an unusual location for Taiwan, which experiences the majority of its earthquakes off the eastern coast, with such quakes normally causing little damage. One of the aftershocks, on 26 September, measured 6.8 on the Richter scale and caused previously weakened buildings to collapse, killing another three people. At
273-678: Is one of three highway systems that connect the west coast with the east of Taiwan . The construction of the Central Cross-Island Highway began on July 7, 1956 and was first opened to traffic on May 9, 1960. The route of the highway begins in the west at Dongshi District in Taichung . The highway originally continued up into the Central Mountain Range following the Dajia River valley through
312-594: The Chelungpu Fault in the western part of the island of Taiwan. The fault stretches along the foothills of the Central Mountains in Nantou County and Taichung County (now part of Taichung City ). Some sections of land near the fault were raised as much as 7 m (23 ft). Near Dongshih, near the northern end of the fault, a nearly 7 m (23 ft) high waterfall was created by
351-516: The Jiji earthquake or the great earthquake of September 21 ), was a 7.3 M L or 7.7 M w earthquake which occurred in Jiji (Chi-Chi), Nantou County , Taiwan on 21 September 1999 at 01:47:12 local time . 2,415 people were killed, 11,305 injured, and NT$ 300 billion worth of damage was done. It is the second-deadliest earthquake in Taiwan's recorded history, after the 1935 Shinchiku-Taichū earthquake . Rescue groups from around
390-540: The Presbyterian Church of Taiwan, Rotary International , Cathay Life Insurance , Dharma Drum Mountain , I-Kuan Tao , the Tzu Chi Foundation and various temple, church, and community groups all contributed to aiding survivors and funding reconstruction. The Church of Jesus Christ of Latter-day Saints provided both direct relief and translation services for the foreign rescue teams, while
429-781: The Red Cross of the People's Republic of China contributed US$ 3m to the Red Cross Society of the Republic of China , which amassed a fund of NT$ 1.8bn towards disaster relief. Following the election of President Chen Shui-bian in March 2000, the reconstruction policies were continued despite the change in ruling party. Chen said in his inaugural address in May 2000 that "our people experienced an unprecedented catastrophe last year, and
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#1732765785747468-533: The Taiwanese consciousness, and is often referred to simply as 9-21 ( 九二一 ; Jiǔ'èryī ) after the date it occurred (21 September). Unhappiness with the government's performance in response to the disaster was reflected in a drop in support for vice-president Lien Chan who was standing as the Kuomintang candidate for the 2000 presidential election . In Wufeng , a township in southern Taichung County ,
507-669: The area in November 2002. To preserve the surface rupture , the Chelungpu Fault Preservation Park was established and opened to the public in 2013. A permanent fault shift in Shigang District resulted in serious damage to the Shihgang Dam , as well as the necessity of patching affected roads and trails with inclines, in order to restore their usefulness. Two notable examples of this are
546-400: The authorities, their assets frozen and travel documents seized. One of the issues highlighted after the quake was "soft stories": high, open ground floors in high-rise buildings with little structural support. This led to the ground floor collapsing first in a quake, either toppling the other floors or starting a pancake collapse. Buildings in Taiwan over 50 metres (160 ft) tall require
585-534: The biking/hiking trail between Dongshi District and Fengyuan District , and Fengshi Road which also connects these two districts. Some locals humorously call this new inclination "Singapore", in Chinese ( 新加坡 ; 'newly-added slope'). The tenth anniversary of the earthquake in 2009 was marked by commemorative activities in some of the areas affected. Taipei, Dongshi , Wufeng , Puli , Jiji (Chi-Chi) and Zhongxing New Village held various events to remember
624-407: The collapse was levelled by survivors at both the construction company which built the high-rise and local government for lax enforcement of building codes and safety standards. Five people were indicted in the wake of the disaster. The Taiwan Stock Exchange was closed for business for five days following the earthquake. A significant proportion of the world supply of computer memory chips ( RAM )
663-547: The damage was especially devastating; the village's Guangfu Junior High School lay directly on the fault line and was severely damaged by the quake. Today the junior high school is the site of the National Museum of Natural Science's 921 Earthquake Museum . A fault from the earthquake was discovered in Zhushan Township , Nantou County by a professor from National Taiwan University conducting research in
702-417: The earthquake as the surface rupture offset the channel of the Dajia River . The total surface rupture was about 100 km in length. Damage caused by the earthquake included 2,415 deaths, 29 missing, 11,305 severely wounded, with 51,711 buildings completely destroyed, 53,768 buildings severely damaged, and a total of NT$ 300 billion (US$ 10 billion) worth of damage. Power was cut to a large proportion of
741-430: The entire gross domestic product of the country in 1999. The immediate rescue efforts were still ongoing when public anger began to mount at shoddy construction that many felt was responsible for the high number of casualties. Legal building codes, enforcement of those codes, and the construction companies themselves all came in for criticism. Constructors and architects of modern buildings that collapsed were detained by
780-530: The government's performance in reacting to it was said by some commentators to be a factor in the unseating of the ruling Kuomintang party in the 2000 presidential election . Every year on September 21 at 9:21 AM, a drill message is sent to all mobile phones through the Public Warning System in the form of a national alert. The earthquake struck at 01:47:12.6 TST on Tuesday, 21 September 1999 (i.e., 1999-09-21, hence "921"). The epicenter
819-439: The highway making sections of it impassable. As well, the area is prone to seismic activity which can have disastrous effects on the highway. On September 21, 1999 the Jiji earthquake caused massive damage to the highway and cut the highway in multiple places between Guguan and Lishan. Following the unprecedented damage to the highway in 1999, there was strong debate on the feasibility and desirability of maintaining and repairing
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#1732765785747858-494: The highway route now begins its descent into the Taroko National Park . It passes through Guanyuan (關原), Ci’en (慈恩), Luoshao (洛韶) and Tianxiang [ zh ] before entering Taroko Gorge . After the gorge the route then connects with the eastern coastal Suhua Highway . The highway route runs through exceedingly rugged and unstable terrain. Heavy rain from typhoons often dislodge soil and rocks onto
897-420: The highway. Extensive and costly repairs proceeded, and earthquake-damaged sections of the highway were due to be re-opened in 2004. However, torrential rains from Typhoon Mindulle caused further damage to the highway, forcing the affected section between Guguan and Lishan to be closed to non-residents indefinitely. While Provincial Highway 8 no longer provides a continuous route across the island, travelers from
936-547: The immediate aftermath. Initially Taiwan's isolated diplomatic situation caused a delay in a response from the United Nations , which abides by the "One China Policy", and so chose not to act without the approval of the Beijing government because of its geopolitical clout. On 25 September President Lee Teng-hui declared a state of emergency in the affected areas, giving sweeping powers to local authorities to ignore
975-407: The island, due to damage to power stations, transmission stations, and the automatic shutdown of Taiwan's three nuclear power plants, which were restarted two days later. National electricity provider Taipower stated that a day after the quake power had been restored to 59% of the country. 102 major bridges were badly damaged, with many having to be torn down. The Central Cross-Island Highway , at
1014-552: The north–south axis and compressed west–east by the forces unleashed. One solution offered to land issues was to offer landowners an equivalent parcel of government land not located on a fault line. Following the earthquake, the Atomic Energy Council installed the automation seismic trip system (ASTS) to Taiwan's existing three nuclear power plants to further ensure plant safety. Installation and testing were completed in November 2007. The quake has become part of
1053-540: The quake. Even later, nearly 130 hours after the earthquake, two brothers emerged alive from the ruins of the Tunghsing Building in Taipei to the astonishment of rescuers. The brothers survived on the water sprayed from fire hoses, rotten fruit, and their own urine. There was widespread international sympathy for those affected by the earthquake, and over 700 rescue workers from more than 20 countries aided in
1092-531: The rubble. Helicopters were used to evacuate injured people from mountainous regions to hospitals, and to supply food to communities inaccessible by road. The military also assumed the leading role in recovering the dead from damaged structures. One of the last people to be rescued was a six-year-old boy pulled alive from the rubble of his collapsed home in Taichung County by a team of South Korean and Japanese search and rescue workers, some 88 hours after
1131-518: The time of the quake, Taiwan had the most extensive network of sensors and monitoring stations in the world, resulting in "probably the best data set ever collected for an earthquake". At one station, a peak ground motion of 300 cm/s (3 m/s; 10 ft/s) was recorded, the highest ever measurement taken in an earthquake anywhere. Soil liquefaction was observed at Yuanlin and caused settlement of building foundations and filling in of water wells from sand boils . The earthquake occurred along
1170-458: The time the only major complete route across the mountains in central Taiwan, was badly damaged. Subsequent storm damage and the high cost of restoration means that the highway remains partially closed as of 2018. There were a total of 132 landslides during the main quake and the aftershocks, some causing loss of life as rockfalls crushed houses. 870 schools suffered damage, with 125 severely damaged, closing many down for months or even permanently in
1209-453: The townships of Guguan (谷關) and Qingshan (青山). However, the section between Guguan and Lishan is permanently closed to non-residents due to earthquake and typhoon damage. At Lishan there is a branch that heads north to Yilan City . Passing through the mountains it reaches Dayuling (大禹嶺) which is the highest point of the route. Here another branch of the highway runs south from Dayuling to Puli via Wuling (武嶺). Continuing east from Dayuling
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1248-470: The usual bureaucratic and legal restrictions on measures to bring relief to people and locations most in need. This was the first time emergency powers had been used since the death of former President Chiang Ching-kuo in 1989. Many charities, corporations, and private individuals contributed to the relief effort and the later reconstruction. Private donations directly to the government-run disaster fund totalled NT$ 33.9 billion, while organisations including
1287-509: The victims of the earthquake, the rescuers who aided them, and the reconstruction efforts which followed. The Taiwan Chelungpu-fault Drilling Project (TCDP), co-led by Taiwanese scholars Kuo-Fong Ma , Yiben Tsai and international collaborators in the US and Japan, drilled research boreholes to investigate the Chelungpu Fault . This led to multiple discoveries about the causes of the earthquake and empirical breakthroughs in seismology , most notably
1326-424: The west can use Provincial Highway 14 and Provincial Highway 14A to connect with Provincial Highway 8 in the east. On November 16, 2018, the section between Guguan and Lishan re-opened to limited traffic. 3 medium-sized busses are scheduled to run the route (back and forth) each day but no ordinary private vehicle traffic is allowed. 1999 Jiji earthquake The Chi-Chi earthquake (later also known as
1365-526: The world joined local relief workers and the Taiwanese military in digging out survivors, clearing rubble, restoring essential services and distributing food and other aid to the more than 100,000 people made homeless by the quake. The disaster, dubbed the "Quake of the Century" by the local media, had a profound effect on the economy of the island and the consciousness of the people, and dissatisfaction with
1404-411: The wounds are yet to be healed. The new cabinet feels that restoration cannot be delayed ... Reconstruction has to cover every victim and every earthquake-affected area." One task that had to be undertaken was the setting of new land ownership boundaries in areas where the landscape had been significantly altered by the quake. The whole island was elongated about 1.5 metres (4 ft 11 in) in
1443-481: Was at 23.77° N latitude, 120.98° E longitude, 9.2 km (5.7 mi) southwest of Sun Moon Lake , near the town of Jiji (Chi-Chi), Nantou County. The tremor measured 7.7 on the moment magnitude scale and 7.3 on the Richter scale , and the focal depth was 8.0 km (5.0 mi). The Central Weather Bureau recorded a total of 12,911 aftershocks in the month following the mainshock . The total energy released
1482-406: Was at the time made in Taiwan, and the six-day shutdown of Hsinchu Science Park and other factories resulting from the quake caused computer memory prices to triple on world markets. With Taiwan struggling to recover from the after-effects of the 1997 Asian financial crisis , the economic damage of the earthquake was a great cause for concern, with estimates that the total cost would be some 10% of
1521-436: Was badly damaged and had to be temporarily closed. In Taipei City, far from the epicenter of the quake, buildings were shaken, but just one, the 12-story Tunghsing Building , collapsed as a result of the tremor. Eighty-seven people died in the rubble of the building, which was later found to be unsoundly built, with structural pillars and beams stuffed with plastic bottles and newspaper instead of brick and concrete. Blame for
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