Complex sentence: More than 25 landslides have occurred at Mount Meager in the last 8,000 years, and debris flows, mainly from the mountain, have also filled Meager Creek valley to a depth of.
Split into simpler sentences: More than 25 landslides have occurred at Mount Meager in the last 8,000 years. Debris flows, mainly from Mount Meager, have also filled Meager Creek valley to a depth of.