By:Ryan Iguina By:Ryan Iguina

Did you ever wonder what happens when a cinder cone Did you ever wonder what happens when a cinder cone volcano erupts, well don’t worry about that because I will tell volcano erupts, well don’t worry about that because I will tell you. you.

When the cinder cone volcanoes erupt the Shield volcano also When the cinder cone volcanoes erupt the Shield volcano also erupts because the a Shield volcano is connected to the cinder erupts because the a Shield volcano is connected to the cinder cone volcano which is bigger One other thing is that if the cone volcano which is bigger One other thing is that if the volcano erupts you sure know well that the shield volcano is volcano erupts you sure know well that the shield volcano is going to be buried under the ashes and lava of the cinder one going to be buried under the ashes and lava of the cinder one volcano. The lava will also pummel the ground with two times volcano. The lava will also pummel the ground with two times the power because remember when the cinder cone erupts the the power because remember when the cinder cone erupts the

shield volcano. shield volcano.

A cinder cone volcano a steep cone-shaped hill. It is hardly ever A cinder cone volcano a steep cone-shaped hill. It is hardly ever

more than 1,640 feet high. A cinder cone volcano is created when more than 1,640 feet high. A cinder cone volcano is created when explosive eruptions blow ash and various sized rocks out into the explosive eruptions blow ash and various sized rocks out into the air, then these things fall straight back down. This stuff is called air, then these things fall straight back down. This stuff is called pyroclastic material. Because there usually is no lava flow during pyroclastic material. Because there usually is no lava flow during an eruption from a cinder cone, the pyroclastic material is not an eruption from a cinder cone, the pyroclastic material is not cemented together. This means that it can erode quickly. Examples cemented together. This means that it can erode quickly. Examples of cinder cone volcanoes are Wizard Island (in the middle of Crater of cinder cone volcanoes are Wizard Island (in the middle of Crater Lake) in Oregon, Parícutin Volcano in Mexico and Sunset Crater in Lake) in Oregon, Parícutin Volcano in Mexico and Sunset Crater in Arizona. Arizona.

Cinder cone volcanoes are the most common kind of volcanoes. They are steep Cinder cone volcanoes are the most common kind of volcanoes. They are steep sided cones of basaltic fragments and are smaller and simpler than composite sided cones of basaltic fragments and are smaller and simpler than composite volcanoes. Streaming gases carry liquid lava blobs into the atmosphere that fall volcanoes. Streaming gases carry liquid lava blobs into the atmosphere that fall back to earth around a single vent to form the cone. The volcano forms when back to earth around a single vent to form the cone. The volcano forms when ash, cinders and bombs pile up around the vent to form a circular or oval cone. ash, cinders and bombs pile up around the vent to form a circular or oval cone.

Cinders are melted volcanic rock that cooled and formed pebble-sized pieces Cinders are melted volcanic rock that cooled and formed pebble-sized pieces when it was thrown out into the air. They are ejected from a single vent and when it was thrown out into the air. They are ejected from a single vent and accumulate around the vent when they fall back to earth.accumulate around the vent when they fall back to earth.

Bombs are melted volcanic rock that cooled and formed large pieces of rock Bombs are melted volcanic rock that cooled and formed large pieces of rock when it was thrown out into the air before landing on the ground.when it was thrown out into the air before landing on the ground.

Cinder cones are chiefly formed by Strombolian eruptions. They grow rapidly Cinder cones are chiefly formed by Strombolian eruptions. They grow rapidly and soon reach their maximum size. Cinder cones can occur alone or in small to and soon reach their maximum size. Cinder cones can occur alone or in small to large groups or fields. Most have a bowl-shaped crater at the summit. The large groups or fields. Most have a bowl-shaped crater at the summit. The longer the eruption, the higher the cone. They rarely exceed 250 meters in longer the eruption, the higher the cone. They rarely exceed 250 meters in height and 500 meters in diameter, although some may rise to as high as 650 height and 500 meters in diameter, although some may rise to as high as 650 meters or more. If gas pressure drops, the final stage cinder cone construction meters or more. If gas pressure drops, the final stage cinder cone construction may be a lava flow that breaks through the base of the cone. If a lot of water in may be a lava flow that breaks through the base of the cone. If a lot of water in the environment has access to the molten magma, their interaction may result the environment has access to the molten magma, their interaction may result in a mar volcano rather than a cinder cone. The shape of a cinder cone can be in a mar volcano rather than a cinder cone. The shape of a cinder cone can be modified during its life. When the position of the vent alters, aligned twin cones modified during its life. When the position of the vent alters, aligned twin cones develop. Nested, buried or breached cones are formed when the power of the develop. Nested, buried or breached cones are formed when the power of the eruption varies. A great example of a cinder cone iseruption varies. A great example of a cinder cone is Parucitan in Mexico. In Parucitan in Mexico. In Iceland, Surter I and Surter II cinder cone volcanoes created an island name Iceland, Surter I and Surter II cinder cone volcanoes created an island name Surtsey. Surtsey.

A cinder cone or scoria cone is a steep conical hill of volcanic fragments that A cinder cone or scoria cone is a steep conical hill of volcanic fragments that accumulate around and downwind from a volcanic vent. The rock fragments, accumulate around and downwind from a volcanic vent. The rock fragments, often called cinders or scoria, are glassy and contain numerous gas bubbles often called cinders or scoria, are glassy and contain numerous gas bubbles "frozen" into place as magma exploded into the air and then cooled quickly. One "frozen" into place as magma exploded into the air and then cooled quickly. One Cinder cones range in size from tens to hundreds of meters tall. Cinder cones Cinder cones range in size from tens to hundreds of meters tall. Cinder cones are made of pyroclastic material.are made of pyroclastic material.

Many cinder cones have a bowl-shaped crater at the summit. Lava flows are Many cinder cones have a bowl-shaped crater at the summit. Lava flows are usually erupted by cinder cones, either through a breach on one side of the usually erupted by cinder cones, either through a breach on one side of the crater or from a vent located on a flank. If the crater is fully breached, the crater or from a vent located on a flank. If the crater is fully breached, the remaining walls form an amphitheatre or horseshoe shape around the vent. remaining walls form an amphitheatre or horseshoe shape around the vent. Lava rarely issues from the top (except as a fountain) because the loose, Lava rarely issues from the top (except as a fountain) because the loose, uncemented cinders are too weak to support the pressure exerted by molten uncemented cinders are too weak to support the pressure exerted by molten rock as it rises toward the surface through the central vent.rock as it rises toward the surface through the central vent.

Sunset crater, a typical cinder cone with little vegetation.Sunset crater, a typical cinder cone with little vegetation. Cinder cones are commonly found on the flanks of Sheild volcanos and strato Cinder cones are commonly found on the flanks of Sheild volcanos and strato

volcanos, and caldres. For example, geologists have identified nearly 100 cinder volcanos, and caldres. For example, geologists have identified nearly 100 cinder cones on the flanks of Mauna Kea, a sheild volcano located on the Island of cones on the flanks of Mauna Kea, a sheild volcano located on the Island of Hawaii. These cones are also referred to as scoria cones and cinder and spatter Hawaii. These cones are also referred to as scoria cones and cinder and spatter cones.cones.

Perhaps the most famous cinder cone, Parucitan, grew out of a corn field in Perhaps the most famous cinder cone, Parucitan, grew out of a corn field in Mexico in 1943 from a new vent. Eruptions continued for 9 years, built the cone Mexico in 1943 from a new vent. Eruptions continued for 9 years, built the cone to a height of 424 meters, and produced lava flows that covered 25 km².to a height of 424 meters, and produced lava flows that covered 25 km².

The Earth's most historically active cinder cone is Cerro Negero in Nicaragua. It The Earth's most historically active cinder cone is Cerro Negero in Nicaragua. It is part of a group of four young cinder cones NW of Las Pilas volcano. Since it is part of a group of four young cinder cones NW of Las Pilas volcano. Since it was born in 1850, it has erupted more than 20 times, most recently in 1992 and was born in 1850, it has erupted more than 20 times, most recently in 1992 and 1995.1995.

For my conclusion I would like to say that cinder cone For my conclusion I would like to say that cinder cone volcanoes aren’t the best but they are the most interesting. volcanoes aren’t the best but they are the most interesting. After all this you have to say that you were caught by the trick After all this you have to say that you were caught by the trick question in the beginning. This specific volcano has a few question in the beginning. This specific volcano has a few abilities that I did not mention but I have all ready wasted abilities that I did not mention but I have all ready wasted enough of your time so my last sentence will be that you will enough of your time so my last sentence will be that you will realize that I was right when I started to talk about the cinder realize that I was right when I started to talk about the cinder cone volcano and the shield volcano which I know that you cone volcano and the shield volcano which I know that you were thinking that that has nothing to do with the cinder cone were thinking that that has nothing to do with the cinder cone volcano but they are related so I decided that I should talk volcano but they are related so I decided that I should talk about it about it

www. ki2.hi.us/~kapunaha/studentprojects/volcano blowout/ cinder www. ki2.hi.us/~kapunaha/studentprojects/volcano blowout/ cinder cone volcano cone volcano

www. http://en.wikipedia.org/wiki/cinder_conewww. http://en.wikipedia.org/wiki/cinder_cone

www. Library think quest.org/17457/volcanoes/types.cinder.phpwww. Library think quest.org/17457/volcanoes/types.cinder.php

www. Volcano world.comwww. Volcano world.com