mudflow
noun
mud·flow ˈməd-ˌflō 
: a moving mass of soil made fluid by rain or melting snow
also : lahar
Example Sentences
Recent Examples on the Web Fire units responded to the mudflow to assist around 50 people in two dozen cars. 
Landon Mion, Fox News, 12 Sep. 2022 And with less vegetation to hold topsoil in place, more flooding and erosion are occurring — sometimes with catastrophic consequences, as in the deadly mudflow in Montecito in 2018, which killed 23 people. Hayley Smith, Los Angeles Times, 21 Feb. 2022 Coldwater Canyon Avenue near Potosi Avenue is closed due to a mudflow coming off the hillside. Nathan Solis, Los Angeles Times, 30 Dec. 2021 There were no reports of injuries or property damage on Tuesday morning, though some roads were closed due to mudflow, said San Bernardino County fire spokesman Eric Sherwin. Los Angeles Times, 14 Dec. 2021 The excavator is only operated in the cool of the morning, when mudflow events are less likely to occur. Los Angeles Times, 8 Sep. 2021 The authors note that around 5,600 years ago, Mount Rainier generated a mudflow that traveled over 60 miles to reach Puget Sound and what is now the busy Port of Tacoma. Matt Simon, Wired, 6 Aug. 2021 Every layer represents one mudflow, killing many animals at once and covering them with mud, preserving them with their inner organs and soft-tissue appendages. David Bressan, Forbes, 7 June 2021 However, this new research shows that the general type of mudflow responsible for the deposits in which they were buried does not cause further damage to deceased animals. David Bressan, Forbes, 7 June 2021 See More
Landon Mion, Fox News, 12 Sep. 2022 And with less vegetation to hold topsoil in place, more flooding and erosion are occurring — sometimes with catastrophic consequences, as in the deadly mudflow in Montecito in 2018, which killed 23 people. Hayley Smith, Los Angeles Times, 21 Feb. 2022 Coldwater Canyon Avenue near Potosi Avenue is closed due to a mudflow coming off the hillside. Nathan Solis, Los Angeles Times, 30 Dec. 2021 There were no reports of injuries or property damage on Tuesday morning, though some roads were closed due to mudflow, said San Bernardino County fire spokesman Eric Sherwin. Los Angeles Times, 14 Dec. 2021 The excavator is only operated in the cool of the morning, when mudflow events are less likely to occur. Los Angeles Times, 8 Sep. 2021 The authors note that around 5,600 years ago, Mount Rainier generated a mudflow that traveled over 60 miles to reach Puget Sound and what is now the busy Port of Tacoma. Matt Simon, Wired, 6 Aug. 2021 Every layer represents one mudflow, killing many animals at once and covering them with mud, preserving them with their inner organs and soft-tissue appendages. David Bressan, Forbes, 7 June 2021 However, this new research shows that the general type of mudflow responsible for the deposits in which they were buried does not cause further damage to deceased animals. David Bressan, Forbes, 7 June 2021 See More Word History
First Known Use
1869, in the meaning defined above