lahar
The name of a volcanic mudslide would be a lahar.
A rotational landslide (or just rotational slide) is the term usually given to what the USGS calls "A landslide on which the surface of rupture is curved upward (spoon-shaped) and the slide movement is more or less rotational about an axis that is parallel to the contour of the slope."
Landslide.
Unzen is a name for Japan's greatest volcanic disaster. The landslide passed through the city and eventually reaching a sea which set off a tsunami. The massive wave devastated nearby towns and areas causing widespread damage and numerous of deaths. The death count estimated to 15,000 losses and an unbelievable landslide to a tsunami.
Re Debris's birth name is Marie-Catherine Perkins.
name three volcanic mountains in Washington
VOLCANIC ASH, VOLCANIC CINDERS, VOLCANIC BLOCKS & VOLCANIC BOMBS.
It is called landslide.
Wreck debris or a debris field
volcanic pyroclastic = 'a'ā
The name of the island of Kiribati that is volcanic is the Leeward Islands.
pyroclastic flow