Magma chamber of magma chambers can be mapped using seismology: seismic waves from earthquakes move more slowly through liquid rock than solid, allowing measurements to pinpoint the regions of slow movement which identify magma chambers. As a volcano erupts, surrounding rock will collapse into the emptying chamber. If the chamber's size is reduced considerably, the resulting depression at the surface can form a caldera. Magma chamber A magma chamber is a large pool of liquid rock beneath the surface of the Earth. The molten rock, or magma, in such a chamber is under great pressure, and, given enough time, that pressure can
To the Ends of the Earth (TV series) To the Ends of the Earth (TV series) To the Ends of the Earth is a three-part BBC television miniseries adaptation of the trilogy of novels of the same name by William Golding. It premiered in the United Kingdom on BBC Two in July 2005, and in the United States on PBS as part of Masterpiece Theatre in October 2006. Starring Benedict Cumberbatch and Jared Harris, the series was critically acclaimed with "The New York Times" calling it "an intriguing drama" and "The Guardian" "the best TV drama of the year by a nautical mile." A BBC press release quoted