When an asset is no longer useful, it should be sold, traded, or discarded. The first step in recording the disposal of a plant asset is to update depreciation. Updating depreciation involves recording the depreciation expense for the time between the date on which depreciation was last recorded and the disposal date.
The largest mudslide in recorded history occurred just 140 miles south of Oso, on the slope of Mount St. Helens, when the volcano erupted in May 1980. The intense heat from the eruption instantly turned more than 70% of the snow and glacial ice on the mountain to water.
2014 Oso mudslide. A major landslide occurred 4 miles (6.4 km) east of Oso, Washington, United States, on March 22, 2014, at 10:37 a.m. local time. A portion of an unstable hill collapsed, sending mud and debris to the south across the North Fork of the Stillaguamish River, engulfing a rural neighborhood, and covering an area of approximately 1 square mile (2.6 km2).