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lahar

lahar

1 9.9
A fast flow of mud and water down a volcano slope that destroys houses and roads
  • noun
  • /ləˈhɑr/
  • Specialized
translation icon : lahar
  • Ashfall, pyroclastic flows, lahars, and incandescent material affected roughly 650,000 people in Tungurahua and Chimborazo provinces.
  • lahar flow

Examples

  • Ruapehu is a dangerous volcano, with a summit crater lake known for a history of hydrovolcanic explosions accompanied by destructive lahars.

    Blog text (34)
  • In an annual initiation ceremony observed by Daniel Gold at the Chhatisgarhi temple of Lahar Tara in 1980, the guru himself sat inside a temporary shrine.

    Academic text (2008)
  • Lahars have buried entire towns and villages on Montserrat.

    Academic text (2003)
  • Unconsolidated deposits of ash may eventually mix with water to become massive, quick-moving mudflows, called lahars, that can flow in small valleys.

    Academic text (2003)
  • Lahar, S. (1990, Spring). Ecofeminist theory and grassroots politics. Hypatia, 6(1), 28-45.

    Academic text (1998)
  • When areas are devastated by natural disasters, people move out and then move back (heck, the Romans built over Pompeii and other areas buried by lahars and volcanic action) or move to nearby areas.

    Blog text (13)
  • This eruption formed an enormous lahar (debris flow) that buried most of the population of the town of Armero, killing 20,000 to 24,000 people, a volcanic disaster of nearly unprecedented proportion and the fourth worst.

    Academic text (2006)
  • Residents were warned about the danger of a lahar following the heavy rain near the volcano.

  • The destructive flow of water and mud, known as a lahar, can travel rapidly down the slopes of a volcano.

  • During the eruption, the riverbank was transformed by a powerful lahar that swept away everything in its path.

How Rapid

lahar
  • Specialized
1 9.9
mudflow
1 4.0
mudslide
29 3.5
landslide
  • Specialized
23 3.3
slip
8 1.0

Surface Forms

lahar singular
lahars plural

Etymology

The word lahar comes from the Indonesian and Javanese word lahar, which means 'a flow of mud and water from a volcano'. That's why in English lahar refers to the dangerous mud and water flow that sweeps down a volcano after heavy rain or melting snow.