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Earthquakes still causing concern for Vietnam's 190-MW Song Tranh 2

Fallout from last week's earthquakes near Vietnam's Song Tranh 2 hydroelectric plant continues as both scientists and engineers work to quell concerns caused by the 190-MW project.

Song Tranh 2 Dam, which impounds more than 730 million cubic meters of water, was rattled by a number of seismic tremors this past week that have caused alarm amongst those living in its vicinity.

Power Engineering Consulting Joint Stock Company 1 said after the first round of earthquakes last week that Song Tranh 2's leaks have been repaired and that the plant's dam can survive an earthquake registering up to 5.5 on the Richter scale, although many are still calling for an improved monitoring process.

Meanwhile, a group comprised of scientists from the Institute of Global Physics and the Vietnam Earthquake and Tsunami Warning Center has begun a study of Song Tranh 2, which has been blamed for an increase in seismic activity since its completion in 2010.

The group says its study hopes to answer whether the earthquakes are being caused by "underground factors" or other reasons.


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