>> Hundreds of trekkers headed back down Indonesia's Mount Rinjani on Monday after a night stranded on the volcano by and earthquake. Which sent boulders tumbling down the volcano's slopes, sent up dust clouds and covered the paths in debris.>> We went into the volcano and no further, and then there were a lot of rocks falling, but that's okay, we are all fine.
>> This is some of the video taken by hikers after the quake struck the island of Lombok. Trails down became impassible. It's usually a 2 day trek to the crater and back, and more than 800 people were on Mount Rinjani when the quake struck. At least 16 people were killed by the quake, and more than 335 injured, many by collapsing buildings.
Lombok near Bali is a popular tourist destination, particularly for trekking. The powerful 6.4 magnitude tremor sent villagers fleeing their homes into open fields to avoid collapsing buildings. An emergency tent has been set up to treat the injured as the local hospital was damaged. And electricity was cut off around the slopes of the volcano.
The quake could also be felt strongly on the west side of Bali. Earthquakes are common in Indonesia, which is in a seismic active area of the Pacific Ocean known as The Ring of Fire.