hawaiian eruption sentence in Hindi
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- Strombolian eruptions are similar to Hawaiian eruptions, but there are differences.
- Hawaiian eruptions are responsible for several unique volcanological objects.
- Hawaiian eruptions are a type of volcanic eruption, named after the gaseous content.
- They are commonly associated with Hawaiian eruptions.
- The volume of ejected material from Hawaiian eruptions is less than half of that found in other eruptive types.
- This volcanic activity has produced numerous Hawaiian eruptions, which created lava fountains, small cinder cones and lava flows.
- Hawaiian eruptions are often extremely long lived; Pu?u ?L?M, a cinder cone of Kilauea, has been erupting continuously since 1983.
- The key factors in generating a Hawaiian eruption are basaltic magma and a low percentage of dissolved water ( less than one percent ).
- Hawaiian eruptions such as those at K + lauea can eject clots of magma suspended into gas; this is called a " fire fountain ".
- On the one extreme there are effusive Hawaiian eruptions, which are characterized by lava fountains and lava flows, which are typically not very dangerous.
- Hawaiian eruptions usually start by the formation of a crack in the ground from which a curtain of incandescent magma or several closely spaced magma fountains appear.
- The lava flows are more viscous, and therefore shorter and thicker, than the corresponding Hawaiian eruptions; it may or may not be accompanied by production of pyroclastic rock.
- Fissure venting is common in Hawaii; most Hawaiian eruptions begin with a so-called " wall of fire " along a major fissure line before centralizing to a small number of points.
- Also unlike other eruptive types, Hawaiian eruptions often occur at decentralized fissure vents, beginning with large " curtains of fire " that quickly die down and concentrate at specific locations on the volcano's rift zones.
- Any future eruption is likely to affect low flying air traffic only, since eruptions would likely be in the form of Hawaiian eruption-lava fountains that create small cinder cones and lava flows rather than voluminous ash clouds.
- Hawaiian eruptions often begin as a line of vent eruptions along a fissure vent, a so-called " curtain of fire . " These die down as the lava begins to concentrate at a few of the vents.
- K + lauea erupted in 1823 and 1832, but the first major eruption since the 1790 event occurred in 1840, when its eastern rift zone became the site a large, effusive Hawaiian eruption over of its length, unusually long even for a rift eruption.
- Flows from Hawaiian eruptions can be divided into two types by their structural characteristics : phoehoe lava which is relatively smooth and flows with a ropey texture, and aa flows which are denser, more viscous ( and thus slower moving ) and blockier ( see and ).
- Although Hawaiian eruptions are named after the volcanoes of Hawaii, they are not necessarily restricted to them; the largest lava fountain ever recorded formed on the island of Izu Lshima ( on Mount Mihara ) in 1986, a gusher that was more than twice as high as the mountain itself ( which stands at ).
- Hawaiian eruptions may occur along fissure vents, such as during the eruption of Mauna Loa Volcano in 1950, or at a central vent, such as during the 1959 eruption in K + lauea Iki Crater, which created a lava fountain 580 meters ( 1, 900 ft ) high and formed a 38-meter cone named Puu Puai.
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