SON LA, Aug. 20 — An earthquake measuring 4 on the Richter scale hit the northern mountainous province of Son La's Muong La District at 6.50am today.
No damage has been reported so far, said Lo Van Tien, deputy chairman of the Hua Trai Commune People's Committee.
Most of the residents in the commune, who live in houses on stilts, felt light tremors. Residents of tall buildings in It Ong Town felt stronger vibrations and a few items in their homes fell down.
Some houses in It Ong developed 50-centimetre- long and 0.2-cm-wide cracks.
It was the sixth earthquake to hit the province this year. (PNA/VNS)