Sentences with phrase «smaller rockfalls»

Fortunately, the area's roads and trails had been closed earlier, the park rangers forewarned by seeing a series of smaller rockfalls — and hearing loud cracking noises — coming from the cliff face.

«It was a bedrock landslide that had a characteristically fast and long runout — much longer than we would see for smaller rockfalls and rockslides,» Moore says.

Two smaller rockfalls completely sealed that entrance sometime between 21,500 and 23,500 years ago — one big reason the cave's art survived unsullied until the trove was discovered by three spelunkers in 1994.

Writing in Engineering Geology, the researchers report that the sensors were able to pinpoint small rockfalls (of less than 20 cubic meters) at distances of up to several hundred meters away — and identify not only individual impacts within falls, but also, in some cases, the signals generated as the rocks began to move.

Not exact matches

Gusts of wind can come out of the blue in Iceland, there are often rockfalls and small earthquakes... I wouldn't recommend sitting on a ledge with meters of nothing underneath you.....