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There are a few ways of monitoring volcanoes. The safest and one of the best ways is to monitor earthquakes in the area. When molten rock moves underground it creates earthquakes. Looking at the size, type, and location of earthquakes in and under the volcano can give an idea of what the magma is doing. Scientists can also look at the size, composition, and temperature of gas coming from the volcano. Yet another method is to use precise measurements to see if the slopes of the volcano are deforming as magma moves.

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Q: How do people monitor volcanoes to check how active they are?
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Yes, but only one on the mainland. It is located in Massif Central and it is called Chaîne des Puys. Chaîne des Puys is inactive but there are also volcanoes in the Pacific and Indian ocean around within France's territory.


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Yes. The are several groups of volcanoes. There is a chain of volcanoes in southern Alaska an continuing into the Aleutian Islands. Another chain of volcanoes is in the Cascade range, stretching from northern California into British Columbia in Canada. There are several active volcanoes in Hawaii. Finally there is a supervolcano in Yellowstone National Park.there are volcanoes in the us because they all erupt if you check the internet they say like in 2001 the was like 24 volcanoes that erupted. and there are alot of volcanoes like in hawaii they have someTo write the answer in English, the correct answer is yes there are volcanoes in the USA. Start at the western end of the Aleutian Island Chain in Alaska there are several volcanoes which erupt regularly, almost all are dormant. Next there are several in the 48 states - all as far as I am aware associated with the western states. Then there are the volcanoes of the 50th state - Hawaii. All the islands are volcanoes, and Mauna Kea is considered to be dormant possibly extinct, Mauna Loa is dormant - it last erupted in 1984, Kilauea is active and has been erupting since 23rd January 1983, off the coast of Hawaii is an active submarine volcano - Loihi. Have a look at the USGS website which will give you a lot more information.


What planets have evidence of volcanic activity?

In our solar system? Interesting question. Mercury is inactive rock. Venus is fiery. It may be volcanically active, but we haven't observed any eruptions. Earth has about 700 active volcanoes at the moment. Mars is inactive. The rest are gaseous planets - who knows what goes on at their core surfaces, if they even have one. Io is a moon orbiting Jupiter which has some spectacular volcanoes - check it out.


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yes Except From rivers well i don't know about volcanoes Lemme Check first i sec Well i Guess i was Wrong Yes It Does have Volcanoes and Sparkling Rivers and Mountains!

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