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
Beneath the Shadows the most rabid fan of true rock & roll when college radio and rock stations forget what they're supposed to be playing. It's there in the evaporated love turned to anger in 'Wash Away', as well as on the closing garage sounds of 'Waiting for You'. Heartbroken choruses which garner the band a Grade A for this excellent effort." Such positive reviews led T.S.O.L. to be included, along with fellow Southern California punk groups D.I. and The Vandals, in director Penelope Spheeris' film "Suburbia" (1983). T.S.O.L. appears in the film performing "Wash Away" from "Beneath the Shadows" and "Darker My