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Mount Soputan spews ash into the air during an eruption seen from Silian village, Southeast Minahasa district in Northern Sulawesi on January 5, 2016. A powerful quake rocked the area, part of a system of volcanoes and earthquakes in the Pacific Rim of Fire. Photo: AFP

Sulawesi province in Indonesia rocked by strong quake

A strong, shallow earthquake rocked Indonesia’s central Sulawesi province Monday evening. There were no immediate reports of serious damage or casualties, and no tsunami warning.

The US Geological Survey said the quake had a magnitude of 6.8 and was centred 79 kilometers (49 miles) southeast of the provincial capital, Palu, at a depth of 9.4 kilometres (6 miles).

Imam Faturrachman, a scientist with Indonesia’s Meteorology and Geophysics Agency, said the land-based quake did not have the potential to cause a tsunami.

The National Disaster Mitigation Agency posted photos on Twitter of what it said was a collapsed building in Poso, a city to the southeast of the epicentre. It said it had no reports of casualties.

El Shinta radio reported that residents ran from their homes in panic.

Cars are seen on top of each after being hit by flash floods and landslides hit Indonesia's Sulawesi island some three years ago. A powerful quake hit Sulawesi on Monday, May 29, 2017. Photo: AFP

The first quake was followed by magnitude 5.0 and 4.9 aftershocks, also at a shallow depth.

Shallow earthquakes tend to cause more damage on the Earth’s surface.

Indonesia is prone to earthquakes and volcanic eruptions due to its location along the Pacific “Ring of Fire.” A powerful Indian Ocean quake and tsunami in 2004 killed a total of 230,000 people in a dozen countries, most of them in Indonesia.

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