Calderas are some of the most spectacular features on Earth. They are large volcanic craters that form by two different methods: 1) an explosive volcanic eruption; or, 2) collapse of surface rock into an empty magma chamber.The image at right is a satellite view of one of the most famous calderas-Crater Lake in Oregon.enturies of rain and snow filled the caldera creating Crater Lake. With a depth of 1932 feet (589 meters), Crater Lake is the deepest lake in the United States and the seventh deepest lake in the world. Collapse calderas form when a large magma chamber is emptied by a volcanic eruption or by subsurface magma movement.
to be physically sick meaning, to be physically sick definition | English Cobuild dictionary. physical. 1 adj Physical qualities, actions, or things are connected with a person's body, rather than with their mind. ...the physical and mental problems caused by the illness..., The attraction between them is physical.
Physical may refer to: Physical body, the physical structure of an organism Human body, the physical structure of a human. Physical abuse, abuse involving contact intended to cause feelings of intimidation, injury, or other physical suffering or bodily harm. Physical body, in physics, psychology, philosophy, mysticism and religion.