Lahars are different. They are mudflows. It's common to see them triggered by eruptions (e.g., Mt St Helens in 1980) but they can arise from landslides as well

Lahars are different. They are mudflows. It's common to see them triggered by eruptions (e.g., Mt St Helens in 1980) but they can arise from landslides as well as glacier collapses. The most recent Lahar on Mt Rainier was in 1947. [1] [1] https://en.wikipedia.org/wiki/Kautz_Creek https://en.wikipedia.org/wiki/Kautz_Creek