loose ashes造句

• Mudslides in volcanic terrain ( called Lahars ) occur after eruptions as rain remobilizes loose ash deposits.
• The scientists suggested constructing a dam and stop banks or earthworks to clear the crater of loose ash and prevent potential disaster.
• The loose ash and gravel on the cone-shaped volcano have also proved a challenge because it provides little traction for Reilly's climbing bike.
• In addition, when unencapsulated coal ash is scattered on snowy streets in the winter, the loose ash can come in contact with ditches on the side of the road.
• After Sunday's eruption, the volcano remained quiet for the second straight day Tuesday, occasionally trickling lava and issuing an immense cloud of steam on a rainy day that sparked fresh fears of mudslides from the loose ash on Mayon's slopes.
• It said Mount Ruapehu's crater had been " significantly altered " by eruptions over the past three years and there was now a major blockage over an outlet from the crater lake comprising about 20 feet ( six meters ) of loose ash, scoria and rocks.