An earthquake measuring 4.1 on the Richter scale hit the northern mountainous province of Son La on Nov. 26 afternoon, with aftershocks felt in Hanoi. No damage or loss of life was reported.

According to the Central for Tsunamis and Earthquake Warning, the earthquake’s epicenter is located 38km from Son La city and about 37km southeast of the Son La Hydro-power Plant construction site. The earthquake’s focal point was 10-15km under the ground.

Centre director Le Huy Minh said that no damage caused by the quake had been reported in Son La province or in Hanoi .

“We are continuing to monitor any aftershocks from the earthquake to make sure we know if any damage has occurred,” he said.

Vu Duc Thin, from the Electricity of Vietnam’s board of directors, confirmed that the Son La Hydro-power Plant had not been affected by the quake.

“We have tested the plant by applying forces that measure up to 6.8 on the Richter scale, and the construction has withstood this,” he said.

Vietnam has at least 30 earthquake prone areas, including parts of Hanoi and HCM City./.