lahar
Sign in to savethumb|A lahar travels down a river valley in Guatemala near the Santa María (volcano)|Santa Maria volcano, 1989
AI overview
A lahar is a rapidly flowing mixture of volcanic material and water that travels down river valleys near volcanoes. These dangerous flows matter because they can cause significant destruction in populated areas, as demonstrated by this 1989 example near Guatemala's Santa María volcano.
AI-generated from the Wikipedia summary — may contain errors.
Article
12 sectionsContents
- Etymology
- Description
- Trigger mechanisms
- Places at risk
- Examples
- Nevado del Ruiz
- Mount Pinatubo
- Mayon
- Mount Ruapehu
- See also
- References
- External links
thumb|A lahar travels down a river valley in Guatemala near the Santa María (volcano)|Santa Maria volcano, 1989
A lahar (, from ) is a violent type of mudflow or debris flow composed of a slurry of pyroclastic material, rocky debris and water. The material flows down from a volcano, typically along a river valley.