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More earthquakes expected to shake northern province

Update: July, 21/2014 - 09:33
The first quake, measuring 4.3 on the Richter scale, struck Muong La district at 7.14pm. — Photo zing

SON LA (VNS) — Experts have warned of more earthquakes in the northern mountainous province of Son La after it was hit by three consecutive ones on Saturday.

The first quake, measuring 4.3 on the Richter scale, struck Muong La district at 7.14pm, according to the National Earthquake and Tsunami Warning Centre under the Institute of Geophysics. It lasted about 30 seconds. It was followed by two quakes measuring 3.2 and 3.5 on the Richter scale at 8.23pm and 9.42pm respectively.

The aftershocks of the quakes were felt in Ha Noi. Many people living in high-rise buildings in the capital, including Ha Dong District, said they experienced some tremors.

While the quakes were of very short duration, they caused panic among local residents with many fleeing their houses.

Residents said some home furnishings shook strongly when the quakes hit. They caused 40cm, 0.2cm wide cracks in the walls of a local household in It Ong Commune.

According to Nguyen Hong Phong, Director of the National Earthquake and Tsunami Warning Centre, Son La is one of seven key areas in the northwestern region that are prone to earthquakes as they sit on the Ma River Fault. The other areas are Dien Bien City, Lai Chau town, Muong La commune, Muong Lay town, Tuan Giao town and Tam Duong town.

He also warned that the quakes could recur as they were part of the operation of the Muong La-Bac Yen fault segment. "But it is impossible to forecast the magnitude of the earthquakes as they depend on the operation of the fault segment with each time period," he added. — VNS

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