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see landslidelandslide,
rapid slipping of a mass of earth or rock from a higher elevation to a lower level under the influence of gravity and water lubrication. More specifically, rockslides are the rapid downhill movement of large masses of rock with little or no hydraulic flow, similar to
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a thin (up to 1 m thick) soil layer or drift and eluvial formation that moves (flows) down a slope under the influence of gravity as a result of saturation by meltwater, rainwater, or groundwater until it assumes a mudlike state. Mud-flows usually occur on smooth, unsodded slopes and on railroad embankments.


A flowing mass of fine-grained earth material having a high degree of fluidity during movement.


Movement of soft weak soil having the consistency of mud.
References in periodicals archive ?
Bornas noted that the last major disaster related to Mayon was in 2006, when a typhoon battered the province after the volcano erupted, triggering mudflows that killed 1,300 people.
The notice acknowledges that homeowners' and certain commercial property insurance policies frequently have exclusions for losses from mudflow, debris flow, mudslide, landslide or other similar events.
Volcanic mudflows have been a perennial problem during and after volcanic eruptions in the Philippines, which sits on the "Ring of Fire" -- islands in the Pacific that were formed by volcanic activity.
This week, that same area was devastated by deadly mudflows that killed at least 17 people and destroyed scores of homes.
Access is difficult/delayed due to some locations- waist deep mudflow, trees, and wires down.
Several hundred people living in a farming hamlet below the restive Bulusan volcano on Luzon were also evacuated due to fears that rain would mix with volcanic ash on its slopes and form deadly and fast-moving mudflows.
2, 2014, SPA -- Heavy rain in parts of California has prompted authorities to order the evacuation of a small number of homes due to mudflows 80 kilometers northwest of Los Angeles.
Other earth movements, such as landslide, slope failure, or a saturated soil mass moving by liquidity down a slope, are not mudflows (emphasis added).
TRABZON (CyHAN)- At least two people were killed as a result of mudflows on Monday night in the Yomra and Arsin regions of Turkey's Trabzon province on Tuesday.
The Mining Ministry's Sernageomin geology unit has recommended careful observation of a 9-mile (15-kilometer) radius around the active crater in case of mudflows of volcanic fragments.
The team will look into allegations that massive logging and mining activities contributed to the occurrence of deadly mudflows that killed over 120 people in the New Batn town alone.