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Quake risk remains high in Chile

Oficina Regional de Educación

Quake risk remains high in Chile

The magnitude-8.2 tremor that hit the northern Chilean coast on 1 April failed to relieve all the seismic stress that had built up in the rocks during the past 140 years, two separate studies report online today in Nature. The researchers tell BBC that the remaining strain after the rupture, which also triggered a tsunami, may trigger a quake of magnitude 8.5 or higher, or a series of smaller tremors. In any event, they say, Chileans need to remain vigilant.

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