When gas from the magma chamber has been exhausted, the lava erupts more quietly to form a broader and lower edifice, a shield volcano. |
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Mayor Island is a shield volcano with a caldera in the western part of the Bay of Plenty, off the east coast of New Zealand. |
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The eastward dip of the northern part of the shield volcano suggests that the island formerly extended to the north. |
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Radial consequent streams cut deep canyons into the flanks of the extinct shield volcano, and these canyons are opened out into deep, steep-walled amphitheaters. |
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Whether a volcano is designated a caldera, shield volcano, or stratovolcano with a caldera depends on the principal landform feature. |
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Karthala, Comoros 7,746 2,361 1808 Lava flowing from the summit and flanks of this shield volcano frequently reaches the sea. |
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Tolbachik, Kamchatka, Russia 12,080 3,682 1739 Tolbachik is enormous, composed of a rounded shield volcano and a conical stratovolcano. |
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Belknap Crater is a shield volcano in the Cascade Mountains of central Oregon. |
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The large shield volcano Olympus Mons must have been formed from eruptions of fluid basalt flows. |
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It is a gigantic classic shield volcano, and the broad landscape of its summit is an alpine desert composed of cinder cones on a lava plateau. |
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The lava in a shield volcano is not very viscous, and therefore flows relatively easily. |
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Kilauea is a very low, flat shield volcano, unlike the more commonly known volcanoes of Mount Fuji and Mount St. Helens with their high sloping peaks. |
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Another type of mountainous volcano is the shield volcano. |
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Mauna Loa is an active shield volcano and scientists think that it has been erupting for about 700,000 years. |
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The highest peak in the Sahara is Emi Koussi, a shield volcano in the Tibesti range of northern Chad. |
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The Otago Harbour was formed from the drowned remnants of a giant shield volcano, centred close to what is now the town of Port Chalmers. |
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When the magma reaches the surface, it often builds a volcanic mountain, such as a shield volcano or a stratovolcano. |
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Located on the Big Island of Hawaii, Mauna Kea is a shield volcano. |
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