Baku, October 26 (AZERTAC). More than 100 people have been killed and many are missing after a tsunami triggered by an earthquake off the coast of Sumatra, Indonesia.

Scores of houses were destroyed by waves after the 7.7 magnitude quake, which struck 20km (13 miles) under the ocean floor near the Mentawai islands.

Ten villages on the islands were swept away by the tsunami, a disaster official told the AFP news agency.

Damage and rough weather are delaying efforts to reach the affected area.

Hendri Dori Satoko, a lawmaker in the Mentawai islands, thold Metro TV: "Our latest data from crisis centre showed that 108 people have been killed and 502 are still missing."

He said some of the missing could have fled to higher ground and were afraid to return to their homes.

Health ministry officials said 113 bodies had been recovered in the area so far, the Associated Press news agency reported.