Earth's volcanoes and earthquakes
Earth's volcanoes and earthquakes. Map of the Earth, centred on the American continents, showing the location of earthquakes (yellow dots) and volcanoes (red triangles). These are concentrated along the boundaries (red lines) of the tectonic plates that make up the Earth's crust. These tectonic plates move over the molten rock below them, colliding with and moving past, under and over each other. Immense pressures can build up, which are released during an earthquake. Where a plate is being destroyed under another one (seen around the Pacific Ocean), volcanoes form as the molten rock rises to the surface. Volcanoes can also form at isolated hotspots, such as Hawaii.
© GARY HINCKS/SCIENCE PHOTO LIBRARY
Full Moon. The Moon appears full when it is on the opposite side of the Earth from the Sun during its orbit, when it presents its full sunlit face to Earth. The lunar hemisphere that faces Earth has bright highlands and dark seas, or maria, which are lowland plains full of dark solidified lava. Several large, bright craters are also seen. At lower centre is Tycho, whose rays of ejected material cover much of the hemisphere. At centre left is bright Copernicus with the slightly fainter Kepler just left and below it. Photographed from California, USA, on 2 March 2007.
© JOHN SANFORD/SCIENCE PHOTO LIBRARY
Gneisenau Storm in the North Sea, 1940. 2006 Oil On Canvas
ABG1073788 Gneisenau Storm in the North Sea, 1940. 2006 Oil On Canvas by Alexander Booth, Vincent; 59.5x49 cm; Private Collection; in copyright
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