1.   Initial reports said there were rocks on the tracks, and investigators were considering the possibility that a landslide had caused the accident.

2.   Most of the deaths were caused by landslides triggered by heavy monsoon rains.

3.   Reports said there were rocks on the tracks and investigators were considering the possibility that a landslide had caused the accident.

4.   It also said school buildings on Malakula island collapsed during the quake while landslides had caused a river to dry up and had damaged other water supply systems.