Sentences with phrase «solid earth beneath»
The rapid melting of Kangerdlugssuaq glacier has produced a special category of earthquake known as a glacialquake.1, 3 Once thought to occur when glacial ice strikes solid earth beneath it, glacialquakes are now attributed to lurching that occurs when parts of the glacier break off (calve) into the ocean.4, 5
http://www.climatehotmap.org/
The Earth's crust is responding to rising temperatures: volcanoes previously imprisoned below ice sheets are more likely to erupt; earthquakes in the Himalayas, the Andes and Alaska may be triggered as the ice load shrinks; and, the solid Earth beneath Greenland is bouncing back quickly as the ice above it melts, perhaps with the Antarctic land mass not far behind.
When a large ice sheet grows in a location, such as happened at the Last Glacial Maximum (LGM) about 20,000 years ago, the weight of the ice deforms the solid Earth beneath it.
Not exact matches
The first hint that Earth actually had a solid iron core beneath a liquid layer came in 1929, after a magnitude - 7.8 earthquake shook New Zealand.
We live on the planet's cold surface, but Earth is a solid body and the surface is continually deformed, split, wrinkled and ruptured by the roiling of warmer layers beneath it.
This cycle includes water beneath the Earth's surface and in rocks (lithosphere), the water in plants and animals (biosphere), the water covering the surface of the planet in liquid and solid forms, and the water in the atmosphere in the form of water vapor, clouds, and precipitation.
A British engineering team went to Antarctica this October for the first stage of a scientific mission to collect water and sediment samples from a lake buried beneath three kilometres of solid ice, and attempt to uncover clues about the evolution of life on Earth and other planets, and about the Earth's past climate.
Cryosphere All regions on and beneath the surface of the Earth and ocean where water is in solid form, including sea ice, lake ice, river ice, snow cover, glaciers and ice sheets, and frozen ground (which includes permafrost).