rockfall

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rockfall

[′räk‚fȯl]
(geology)
The fastest-moving landslide; free fall of newly detached bedrock segments from a cliff or other steep slope; usually occurs during spring thaw.
The rock material moving in or moved by a rockfall.
References in periodicals archive ?
9 was hit by a rockfall. Local one-way and two-way traffic control was implemented until the rockfall was cleared by 7:20 a.m.
A slate quarry popular with climbers has been closed until further notice following a "major rockfall".
"Measures are in place to mitigate against any rockfalls reaching the A82"
The road, according to DPWH-Samar 1st District Engineer Alvin Ignacio, "is surrounded by unstable mountainous terrain which causes landslides and rockfalls that endanger a huge number of motorists, especially during rainy and typhoon season."
THE Conwy Valley railway line has reopened following a rockfall in a tunnel.
In the mountains, the old road from Akrounta to Dierona had to be closed because of a rockfall.
Kinematic analysis were performed on Dips 7.0 for each rockfall events.
It is difficult to assess whether the rockfalls will continue step by step or whether the big bang will come.
"Rockfalls are really loud," said Stock, who has worked at Yosemite since 2006.
The British Geological Survey is warning about a rise the number of rockfalls due the recent heatwave.
To address the effect of block mass on the runout range, the height of release box was set to 10 cm; 120 tests were performed with the cubical blocks, as they more realistically represent the contact configurations of natural rockfalls. The mapped deposition data of two block types with different mass (72 g, 170 g) are shown in Figure 10.