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Volcano project
by sam and kawthar
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After bursting to life with 300-meter (1,000-foot) tall lava fountains in November 2011, the eruption of central Africa’s Nyamuragira Volcano continued
into the new year.
These satellite images show the volcano on the morning of January 3, 2012. In the natural-color image (top), an active lava flow snakes to the northeast,
while the central vent and a volcanic plume rich in sulfur dioxide are also visible. According to volcanologist Erik Klemetti of the Eruptions blog, the
orange color and narrow trace of the flow suggest that it is open to the air, unlike flows on Kilauea which are usually carried through lava tubes. Older
flows and undisturbed forest are also visible.
The false-color image (lower) shows the summit of Nyamuragira and nearby Nyiragongo Volcano. The heat of the active lava flow causes it to glow in
shortwave and near-infrared light, giving a bright red-orange appearance. A lava lake within the summit crater of Nyiragongo is also glowing.
These images were acquired by the Advanced Land Imager (ALI) aboard the Earth Observing-1 (EO-1) satellite.
References
GORISK. (2011, December 7). November 2011 Eruption. Accessed January 4, 2011.
Klemetti, Erik. (2011, November 7). New Fissure Eruption at the Congo’s Nyamuragira. Accessed January 4, 2011.
Virunga National Park. (2011, December 6). Last week in Virunga: 28 Nov–4 Dec 2011. Accessed January 4, 2011.
Virunga National Park. (2011, November 7). Nyamulagira Volcano Erupts! Accessed January 4, 2011.
Related Reading
Nyamuragira: Index of Monthly Reports. Global Volcanism Program.
Observing Volcanoes, Satellite Thinks for Itself. NASA Earth Observatory.
NASA Earth Observatory images by Jesse Allen and Robert Simmon, using ALI data from the EO-1 Team.
Instrument:
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EO-1 - ALI
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Lava Flow near Nyamuragira Volcano
January 5, 2012
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They are pictures of
volcanoes
This volcano is erupting
Slepping volcanoes
• Heres one it can sleep for 20000 years
facts
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volcano is a landform (usually a mountain) where molten rock erupts through the surface of the planet.
In simple terms a volcano is a mountain that opens downward to a pool of molten rock (magma) below the surface of the earth. It is a hole in the Earth from which molten
rock and gas erupt.Did you know?The name "volcano" has its origin from the name of Vulcan, a god of fire in Roman mythology.As pressure in the molten rock builds up
it needs to escape somewhere. So it forces its way up “fissures” which are narrow cracks in the earths crust. Once the magma erupts through the earth’s surface it’s
called lava. What is the difference between lava and Magma?
Magma is liquid rock inside a volcano.
Lava is liquid rock (magma) that flows out of a volcano. Fresh lava ranges from 1,300° to 2,200° F (700° to 1,200° C) in temperature and glows red hot to white hot as it
flows.
How many volcanoes are there
in the world?
There are around 1510 'active' volcanoes in the world. We currently know of 80 or more which are under the oceans.
What are the three layers the Earth is made of?
Crust
The crust is the outer layer of Earth. It is about 18 miles thick. It is the part we live on.
Mantle
The second layer is called the mantle. It is about 1,800 miles thick.
Core
The inner layer is called the core.
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What causes volcanoes to erupt?
The Earth's crust is made up of huge slabs called plates, which fit together like a jigsaw puzzle. These plates sometimes move.
Between the Earth's crust and the mantle is a substance called magma which is made of rock and gases.
When two plates collide, one section slides on top of the other, the one beneath is pushed down. Magma is squeezed up between two plates.
Did you know?
Volcanoes are like giant safety valves that release the pressure that builds up inside the Earth.
When magma erupts, what is it called?
When magma erupts through the earth's surface it is called lava
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What is the Ring of Fire?
Over half of the world’s volcanoes arise in a belt around the Pacific Ocean called the Ring of Fire.
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Volcano Eruptions
Largest active volcano
Websites
Volcanoes around the World
Each triangle on the map represents a volcano.
Volcano FAQ's -- Learn About Volcanoes
What is a volcano? ... Why do volcanoes erupt? ... Where do volcanoes erupt? ... How hot is a volcano?
Information on Volcanoes including volcanoes and climate
This is a very dangerous volcano
• This vocano is over 600degries
How volcanoes erupt
• They have to have some clouded smoke
when it gets heated the volcano will erupt