These volcano's are Mt Ruapehu and Mt Tongariro
Both volcano's are in the North Island.
Mt Ruapehu last erupted on the 25th September 2007.
Mt Tongariro last erupted on the 21st November 2012.
Active volcanoes have Erupted recently. A dormant Volcano isn't erupting right now, but vulcanologists expect it could erupt at any time. Extinct volcanoes haven't erupted for tens of thousands of years, and aren't expected to erupt again
A volcano which has not erupted in the past 10,000 years is extinct. The extinct volcano no longer has a high silica or low silica lava supply. An extinct volcano is no longer near an active geologic hot spot, if it ever was.A dead volcano in Rome has come back to life. Scientists are saying a dormant volcano on the outskirts of Rome is poised for an eruption. However, this may not occur for a number of years. Researchers were stunned after they discovered Colli Albani, a volcano that was presumed extinct, is active once again.
What is a volcano?A mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are or have been erupted from the earth's crust.
How is a Volcano Formed? Volcanoes are formed when magma from within the Earth's upper mantle works its way to the surface. At the surface, it erupts to form lava flows and ash deposits. Over time as the volcano continues to erupt, it will get bigger and bigger.
How far can lava travel?
The longest recent flow in Hawaii was erupted from Mauna Loa in 1859. It is about 51 kilometers long from the vent to the ocean (we don't know how much longer it went out under water, but probably not too much farther). There is a lava flow at Undara in Queensland, Australia is 100 miles (160 km) long.
How tall is an average Volcano?
Cinder cone volcanoes are fairly small, generally only about 300 feet (91 meters) tall and not rising more than 1,200 feet (366 meters).
When a Volcano is formed how long can it take before it can erupt?
Stromboli volcano off the coast of Italy has been erupting more or less continuously for over 2000 years! Other volcanoes have eruptions that last less than a day. According to the Smithsonian Institute's Global Volcanic Program, the median length of time for a single eruption is seven weeks.
These are the volcano's that are dormat volcano's In New Zealand
- Taranaki / Egmont
- Ngauruhoe
- Taupo Centre Volcano
- White Island
- Mayor Island
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