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How many volcanoes have erupted in the last year?
On average, around 50-70 volcanoes erupt each year. However, the number can vary from year to year.
How many volcanoes are erupting every day in the US?
There is no fixed length to an erruption, it varies from volcano to volcano. a volcano can erupt in days or more than its depend on its manner .
What type of volcano erupts all the time?
active volcanoes erupt but not all the time, there are 3 different types of volcanoes active, inactive and extinct.
How are volcanoes classified according to activity?
Volcanoes are either active dormant or extinct. 1. Active- it shows eruptions within 50 years 2. Dormant- it enters a long period of rest and erupts violently. The longer it rests, the more violent the eruption may be. 3. Extinct- it doesn't show records of eruptions within the past thousand years. It is hard to tell if a volcano is dormant or completely extinct.
What are the differences between the 3 types of volcanoes?
Active volcanoes are erupting or has erupted recently. Dormant volcanoes haven't been erupting recently, but may erupt in the future. They could be considered "sleeping". Extinct volcanoes will never erupt again.
What are tyes of volcanoes?
There are three main types of volcanoes: shield volcanoes, cinder cone volcanoes, and stratovolcanoes. Shield volcanoes have gentle slopes and are formed by thin lava flows. Cinder cone volcanoes are made up of pyroclastic material, such as ash and rock fragments. Stratovolcanoes are large, steep-sided volcanoes that erupt a mixture of lava flows and explosive eruptions.
How long does it take for a volcanoe to erupt?
Some volcanoes erupt fairly frequently, others may be dormant for hundreds or thousands of years. The pattern of eruptions, if any, depends on the specific volcano.It depends on the volcano. Each is different and has a different type of eruption pattern. Mt. Vesuvius in 79 AD erupted with a pyroclastic cloud and the eruption had begun 3 days earlier. Yet, in 1944 it erupted with a slow moving lava flow. So, even the same volcano can have a different type of eruption.
How many types of valcanoes are there?
There are 3 main types of volcanoes: Shield - These volcanoes erupt with lava that has a very low viscosity. The lava is mainly composed of basalt, and forms mostly at rifts and subduction zones, but can also be an indication of a hotspot. Hawaii is made of Shield Volcanoes. Composite - Tall volcanoes, they are composed of alternating layers of lava, ash and cinders. (Mt. Fuji and Mt. Vesuvius are Composite volcanoes). They generally have very violent eruptions, and are the most dangerous to civilians. Cinder Cone - A very short lived volcano, that may erupt only once, though these eruptions are typically violent. They can range from 30-400 meters in height, and when they erupt, the lava that is spewed forth cools quickly, breaking into ash or cinders, where the name comes from. Caja del Rio in New Mexico is a string of over 60 cinder cone volcanoes.
What are the three main type of volcano?
Active Volcanoes - Those volanoes which has erupted in the recent history and will continue to erupt further is known as an active volcano. Dormant Volcanoes - Those volcanoes which hasn't erupted in the recent past but has the capability of erupting in the future. These volcanoes generally erupt after long intervals of time. Extinct Volcanoes - These volcanoes used to erupt but hasn't erupted in the recent past and will probably not erupt further. There are actually only 3 types of volcanos, while one can be called two things. The first kind is called shield, it is almost shaped like an upside down bowl. The second is called a cinder cone, it's sides are a little more steep and instead of squirting out just lava, its squirts out pyroclastic material also and it has moderately explosive eruptions. The last is known as a composite or a stratovolcano, with quite steep sides.
How many volcanoes erupted so far?
well , that is a good question ! About 1,300 has happened in the last 10,000 year. Most of these are shield volcanoes. Shield volcanoes are found under water or and form easily. three quarters ( 3/4 ) of volcanoes are shield volcanoes. SO if you subtract all of the shield volcanoes from the amount of volcanoes that have happened in the last 10,000 years it will come up to 6,000 eruptions in the last 10,000 years. This is not including under water or shield volcanoes. WELL, that's all . BYE ! (:
What are 3 kind of volcanoes?
There are 3 kinds of volcanoes which are found around the world. They are shield volcanoes, cinder cone volcanoes, and composite volcanoes. Many of the most beautiful mountains in the world are composite volcanoes.
How many volcanoes are there in the rainforest?
There is about 1-3 volcanoes in the rainforest
