1972 Ruisui earthquake
Encyclopedia
The 1972 Ruisui earthquake, or the 1972 Juisui earthquake, occurred on April 24, 1972 at 09:57 UTC (17:57 local time). The magnitude of this earthquake was given as Ms 7.2 by USGS and ML 6.9 by the Central Weather Bureau
of Taiwan. The epicenter was located near Ruisui
(or spelled as Juisui) (Chinese
: 瑞穗), Hualian, Taiwan
. The intensity was shindo 4 in Taipei
and Hualian. 5 people were reported dead. The Ruisui Bridge (Chinese: 瑞穗大橋) was destroyed. The water treatment plant in Ruisui was damaged.
This earthquake was caused by the Juisui Fault with a vertical movement of 70 cm. The Juisui Fault is a segment of the 150 km long Longitudinal Valley Fault, which is a left-lateral fault with a reverse component. The boundary between the Eurasian Plate
and the Philippine Plate
lies along the Longitudinal Valley Fault.
Central Weather Bureau
The Central Weather Bureau is the government meteorological research and forecasting institution of the Republic of China . In addition to meteorology, the Central Weather Bureau also makes astronomical observations, reports on sea conditions, and conducts research into seismology and provides...
of Taiwan. The epicenter was located near Ruisui
Ruisui, Hualien
Ruisui, Hualien, is a township located in southern Hualien, Taiwan, and has a population of 13,000 inhabitants and 11 villages. The Tropic of Cancer passes through here....
(or spelled as Juisui) (Chinese
Standard Mandarin
Standard Chinese or Modern Standard Chinese, also known as Mandarin or Putonghua, is the official language of the People's Republic of China and Republic of China , and is one of the four official languages of Singapore....
: 瑞穗), Hualian, Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...
. The intensity was shindo 4 in Taipei
Taipei
Taipei City is the capital of the Republic of China and the central city of the largest metropolitan area of Taiwan. Situated at the northern tip of the island, Taipei is located on the Tamsui River, and is about 25 km southwest of Keelung, its port on the Pacific Ocean...
and Hualian. 5 people were reported dead. The Ruisui Bridge (Chinese: 瑞穗大橋) was destroyed. The water treatment plant in Ruisui was damaged.
This earthquake was caused by the Juisui Fault with a vertical movement of 70 cm. The Juisui Fault is a segment of the 150 km long Longitudinal Valley Fault, which is a left-lateral fault with a reverse component. The boundary between the Eurasian Plate
Eurasian Plate
The Eurasian Plate is a tectonic plate which includes most of the continent of Eurasia , with the notable exceptions of the Indian subcontinent, the Arabian subcontinent, and the area east of the Chersky Range in East Siberia...
and the Philippine Plate
Philippine Plate
The Philippine Sea Plate is a tectonic plate comprising oceanic lithosphere that lies beneath the Philippine Sea, to the east of the Philippines...
lies along the Longitudinal Valley Fault.