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1979 Bali earthquake : ウィキペディア英語版 | 1979 Bali earthquake
The 1979 Bali earthquake occurred at with a moment magnitude of 6.3. The shock occurred southeast of the coast of Karangasem Regency in the Lombok Strait, and about east-northeast of Denpasar. The temblor damaged up to 80 percent of the buildings in Karangasem Regency, displaced between 15,000 and 500,000 people and briefly severed road links to the provincial capital, Denpasar. ==Tectonic setting== The island of Bali forms part of the Sunda Arc, which formed above the convergent boundary where the Australian Plate is subducting beneath the Sunda Plate. The rate of convergence across the line of the Sunda–Java Trench is 7.5 cm per year. Eastwards from Bali, the Sunda Arc is also being thrust over the Bali and Flores back-arc basins on a series of south-dipping thrusts. Focal mechanisms for earthquakes near Bali are dominantly thrust sense on both the subduction interface and the system of thrust faults to the north. A previous earthquake of 6.5 Ms north of the Buleleng coast on 14 July 1976 caused 573 deaths on Bali and displaced a similar number of people as the 1979 temblor.
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