Are there volcanoes? The most powerful volcanoes on the planet. What volcanoes are located in Europe
Volcanoes are geological formations that form above cracks in, through which lava, ash, loose rocks, boiling gases and water burst out.
Active volcanoes include those that erupted in historical times or showed other signs of activity (emission of gases and steam, etc.). Some scientists consider active volcanoes that are reliably known to have erupted within the last 10 thousand years.
The largest cluster active volcanoes on a limited area of the planet is located in the zone of the Malay Archipelago - the largest on Earth, located between the mainland parts and. On the territory of Russia, the largest number of active volcanoes is in the Kuril Islands and Kamchatka. Approximately 60 volcanoes erupt annually, and about a third of them erupted in the previous year. There is information about 627 volcanoes that have erupted over the past 10 thousand years.
Volcano | Location | Height, m | Eruptions |
Llullaillaco | Chilean-Argentine Andes | 6 723 | It erupted for the last time in 1877. |
Cotopaxi | Ecuador, South America | 5 896 | It erupted for the last time in 1976. |
Misty | Peru, Central Andes | 5 821 | |
Orizaba | Mexican Highlands | 5 700 | |
Popocatepetl | Mexico | 5 452 | It erupted for the last time in February 2003. |
Sangay | Ecuador | 5 410 | Until 1728, the volcano was considered dormant. Then he woke up and haunted the surrounding residents for about 200 years; True, the eruptions were not too dangerous. |
Sanford | Southeast Alaska | 4 949 | |
Klyuchevskaya Sopka | Kamchatka Peninsula | 4 750 | It erupted for the last time in January 2004. |
Rainier | Cordillera, Cascade Mountains | 4 392 | |
Tajumulco | Central America | 4 217 | |
Mauna Loa | Hawaiian Islands | 4 170 | In 1868, Hawaii was hit twice by tsunamis on April 2 and August 13. On April 2, the tsunami was caused by the eruption of the Mauna Loa volcano. |
Faco | Cameroon | 4 070 | |
Fuego | Guatemala | 3 835 | Volcanic eruptions occur every few years; basaltic ash emissions sometimes reach the stratosphere, and their volume during one of the eruptions was 0.1 km 3. |
Kerinci | O. Sumatra | 3 805 | |
Erebus | O. Rossa, Antarctica | 3 794 | |
Fujiyama | O. Honshu | 3 776 | The most destructive eruptions occurred in 800, 864 and 1707. During the last eruption, the city of Edo, located 120 km away, was covered with a 15 cm layer of ash. In 1923, during a volcanic eruption, more than 700,000 houses were destroyed in a few seconds, and 142,000 people were missing. |
Teide | Canary Islands | 3 718 | The volcano was once much higher, about 5,000 m. However, in 1706, as a result of a strong eruption, the top of the volcano collapsed. |
Seven | O. Java | 3 676 | The highest active volcano on the island. Me you. Very active, erupting more often than once every three years. |
Colima | Mexico | 3 658 | The volcano is prone to short-term but extremely strong explosive eruptions. The last one happened in February 2002. |
Ichinskaya Sopka | Kamchatka Peninsula | 3 621 | |
Kronotskaya Sopka | Kamchatka Peninsula | 3 528 | |
Nyiragongo | Virunga Mountains (Africa) | 3 470 | Last eruption occurred January 17–19, 2002. B O Much of the city of Goma was destroyed by lava, killing at least 45 people. |
Koryak hill | Kamchatka Peninsula | 3 546 | |
Etna | O. Sicily | 3 340 | Volcanic eruptions occur over hundreds of thousands of years. One of the most active and large volcanoes on the ground. The length of its base will exceed 50 km. |
Shiveluch | Kamchatka Peninsula | 3 283 | The last eruption occurred in January 2004. |
Lassen Peak | Cordillera, Cascade Mountains | 3 187 | |
Lyama | Southern Andes, Chile | 3 124 | |
Nyamuragira | Virunga Mountains (Africa) | 3 056 | Last eruption in July 2002. |
Apo | O. Mindanao, Philippines | 2 954 | |
Baitoushan (Chinese) Baektusan (Korean) |
Changbai Plateau on the border between China and the DPRK | 2 744 | Last eruption in 1904. |
Avacha Sopka, Avacha | South-east of Kamchatka, near Petropavlovsk-Kamchatsky | 2 741 | There have been 16 eruptions since the 1730s; the last ones in 1926, 1938 (three), 1945, 2004. |
Bromo | Indonesia, East End O. Java, in the north mountain range Tengger | 2 614 | Until 1967, 37 eruptions were recorded (the first dated was in 1804). |
Asama | O. Honshu, Japan | 2 542 | Last eruption (of gases, ash and lava) in 1958. The last catastrophic eruption was in 1783. |
Kizimen | Kamchatka Peninsula | 2 485 | |
Alaid | Kuril Islands, o. Atlasova | 2 339 | The highest active volcano in the Kuril ridge. |
Shish | Kamchatka Peninsula | 2 346 | |
Berenberg | O. Jan Mayen, North Atlantic Ocean | 2 277 | |
Katmai | Alaska | 2 047 | |
API | Indonesia | 1 949 | |
Bandai | O. Honshu, Japan | 1 819 | During a catastrophic eruption in 1888, the top and one side of the cone were demolished. |
Arenal | Costa Rica | 1 657 | A volcano considered extinct; woke up in 1968. Then, during the eruption, two villages were destroyed, 87 people died. The last eruption occurred in September 2003. |
Asso | O. Kyushu, Japan | 1 592 | In terms of the number of eruptions, it occupies one of the first places among the volcanoes of the world (more than 70 eruptions). |
Hekla (Hekla) | 1 491 | The first dated eruption occurred in 1104. In 1766, the eruption was particularly destructive and was accompanied by casualties. The last major eruption was in 1947–1948. | |
Soufriere | Lesser Antilles | 1 467 | The last eruption occurred in 2001. |
Montagne-Pelée | O. Martinique, West Indies | 1 397 | After a catastrophic eruption in 1902, a lava spire formed in the crater, which grew by 9 m per day and eventually reached a height of 250 m, and collapsed a year later. |
Vesuvius | , near Naples | 1 281 | Eruptions in 79, 1631, 1794, 1822, 1872, 1906 and 1944. |
Kilauea | Hawaiian Islands | 1 247 | The last eruptions occurred in 1967–1968 |
Stromboli | Aeolian Islands | 926 | It has been active for over 400 years. |
Climate 201
the western part of the mainland with a height of 400-500 m with low remnant mountains up to 1500 m; The central lowland in the central part with prevailing heights of 100-200 m and the Great Watershed Range is a system of medium-altitude flat-topped mountains in the east of the continent, consisting of a number of isolated ridges with steep eastern and gentle western slopes.
Australia is rich in mineral resources, especially ores of ferrous, non-ferrous and precious metals. Ore deposits are confined mainly to outcrops of the crystalline basement of the ancient Australian platform. The largest iron ore deposits are concentrated in the north-west (Hamersley Range). There are uranium deposits in various parts of the mainland (on the Arnhem Land Peninsula, etc.). Polymetallic ores are mined in the area of Brocken Hill, gold - in the southwest (Kalgoorlie, Coolgardie, etc.). The largest bauxite deposits are located in the north of Australia (Cape York Peninsula, Arnhem Land), as well as in the southwest (Darling Range). The main energy resources are hard and brown coal, the deposits of which are confined to the Great Watershed Range. Oil and gas
Tectonic structure of Australia:
Precambrian platforms, basement projections: 1 - Archean age, 2 - Proterozoic: plates: 3 - with a relatively shallow foundation, 4 - with a deep foundation; 5 - area of Baikal folding; 6 - region of Hercynian folding; 7 - Hercynian marginal troughs; 8 - sedimentary cover of the Epipaleozoic platform; Cenozoic geosynclinal region: 9 - geoanticlinal uplifts, 10 - geosynclinal troughs; // - intrusions; 12 - Big barrier reef; 13 - large faults
found on the coast and in the continental shelf zone (Bass Strait, northwestern Australia).
Climate
Most of Australia lies in tropical latitudes. The annual amount of solar radiation varies from 585 kJ/cm 2 in the south to 752 kJ/cm 2 in the northern and central parts of the continent.
Due to its location in tropical latitudes and flat terrain, Australia experiences high air temperatures all year round. January averages vary from +30°С to northern parts mainland to +18°C in the southeast. Most of Western and Central Australia is contoured by the January isotherm of + 25 °C. The highest temperatures in January are in inland areas northwestern part of the mainland (absolute maximum +53.1 °C). Winter temperatures at far north reach + 25, in most of the mainland they are +10-+15, and in the southeast they drop in places to +5 - + 10°С. No negative temperatures have been observed on the Australian plains; frosts occur only occasionally at the heights of the central island mountains. Below the temperature in the Great Dividing Range, an absolute minimum of -22 °C was recorded here.
Almost all of Australia is dry. Only in the far north of the mainland and most of east coast more than 1000 mm of precipitation falls per year. The windward slopes of the Great Dividing Range receive in places up to 1500 mm of precipitation, and the Cairns city area receives over 2000 mm. However, such a significant
Current and extinct volcanoes always attracted people. People settled on volcanic slopes to engage in agriculture, because volcanic soil is very fertile.
Today, the majestic geological formations attract crowds of tourists who want to admire their beauty.
Those thirsty for extreme sports are not stopped even by the most dangerous natural objects– active volcanoes.
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List of active volcanoes in the world
Today we will look at where there are active volcanoes in the world. Most of them are located along the coast. This zone is called the Pacific Ring of Fire. The second most volcanic activity zone is the Mediterranean belt.
There are about 900 active volcanoes on land
About 60 geological formations on earth explode every year. Let's look at the most dangerous ones that are active, as well as a few impressive ones that are dormant.
Merapi, Indonesia
Merapi is the most impressive, nicknamed "Mountain of Fire". It is located on the island. Java, reaches a height of 2914 m. Large-scale emissions occur every 7 years, and small ones twice a year. Smoke is constantly coming out of its crater. One of the most significant tragedies associated with the activity occurred in 1006. Then a fierce disaster destroyed the Javanese-Indian state of Mataram.
In 1673, another powerful eruption erupted, as a result of which the towns and villages located at the foot were destroyed. In 1930, volcanic eruptions killed 1,300 people.
The last Merapi eruption occurred in 2010, when the evacuation of 350 thousand people was required. Some of them decided to return and died in the lava flow. 353 people were injured then.
In that last catastrophe Fire Mountain ejected a mixture of ash and gas at a speed of 100 km/h, the temperature reaching 1000°C.
Sakurajima, Japan
Sakurajima is located on the island. Kyushu. The mountain once stood separately, but during one of the eruptions it joined the Osumi Peninsula with the help of lava. It rises to a height of 1117 m. It consists of three peaks, the highest of which is the northern one.
The activity of Sakurajima increases every year, and until 1946 there were only 6 emissions. It has been erupting continuously since 1955.
Note: one of major disasters occurred in 1914, when the disaster claimed the lives of 35 people. In 2013, 1097 minor emissions were recorded, and in 2014 - 471.
Aso, Japan
Aso is another volcanic giant of the island. Kyushu. Its height is 1592 m. It is a caldera, in the middle of which there are 17 cones. The most active of them is Nakadake.
Aso last erupted lava in 2011. Since then, about 2,500 tremors have occurred here. In 2016, the ejection process was accompanied by an earthquake.
It is worth noting: Despite the danger associated with the extreme activity of Aso, about 50 thousand people live in the caldera, and the crater itself has become a popular site active tourism. In winter, people ski on the slopes of Aso.
Nyiragongo, Republic of Congo
Nyiragongo refers to mountain system Virunga is the most active in Africa. The height is 3470 m. In its crater there is a huge seething lava lake, the largest in the world. During an eruption, lava flows out almost completely, destroying everything around it in a matter of hours. After that, it fills the crater again. Due to the military situation in the Republic of Congo, the crater has not yet been sufficiently explored.
Since the end of the 19th century alone, 34 eruptions of the formidable Nyiragongo have been recorded. Its lava is very liquid because it does not contain enough silicates. For this reason, it spreads quickly, reaching speeds of 100 km/h. This feature makes Nyiragongo one of the most dangerous on the planet. In 1977, a huge mass of lava hit a nearby town. The cause was a rupture in the crater wall. The disaster claimed the lives of several hundred people.
In 2002, another large-scale eruption occurred, then 400 thousand people were evacuated, 147 of whom died. Despite the fact that this Nyiragongo is considered the most dangerous in the world, about half a million people live in nearby settlements.
Galeras, Colombia
It rises above the Colombian town of Pasto, with about 500 thousand inhabitants. Galeras reaches a height of 4276 m. last years Galeras is constantly active, spewing volcanic ash.
One of the largest eruptions was recorded in 1993. The disaster led to the death of 6 volcanologists and 3 tourists located in the crater. The disaster came unexpectedly, after a long calm.
One of the most recent eruptions occurred in August 2010. Colombian authorities periodically evacuate local residents as Galeras becomes active.
Colima, Mexico
Colima is located on the coast Pacific Ocean. Consists of 2 peaks, one of which is extinct. In 2016, Colima became active, releasing a column of ash.
The last time he reminded himself was January 19, 2017. At the time of the disaster, a cloud of ash and smoke rose 2 km.
Vesuvius, Italy
Vesuvius is the most famous volcanic giant of continental Europe. It is located in Italy, 15 km from.
Vesuvius has 3 cones. Strong eruptions alternate with periods of low-power activity. Throws it away great amount ash and gases. In 79, Vesuvius shook all of Italy, destroying the cities of Pompeii and Stabia. They were covered with a thick layer of ash, reaching up to 8 m. The city of Herculaneum was flooded with mud flows, as the eruption was accompanied by mud rains.
In 1631, there was an eruption that claimed the lives of 4,000 people. It turned out to be weaker than in 79, but the slopes of Vesuvius have since been inhabited by more people, which led to such casualties. After this event, the volcano became lower by 168 m. The eruption of 1805 destroyed almost all of Naples and claimed the lives of 26 thousand people.
The last time Vesuvius erupted lava flows was in 1944, leveling the cities of San Sebastiano and Massa. The number of victims was 27 people. After this, the volcano subsided. To monitor his activities, a volcanological observatory was built here.
Etna, Italy
Etna is the highest volcano in Europe. It is located in the northern hemisphere in the east of Sicily. Its height changes after each eruption, now it is 3429 m above sea level.
Etna has, according to various estimates, 200-400 side craters. Every 3 months an eruption occurs from one of them. Quite often this leads to the destruction of villages located nearby.
Despite the dangers, Sicilians densely populate the slopes of Etna. A national park was even created here.
Popocatepetl, Mexico
The second highest peak in Mexico, its name means “smoking hill.” It is located 70 km from Mexico City. The height of the mountain is 5500 meters.
Over 500 years, Popocatepetl erupted lava over 15 times, the last time this happened in 2015.
Klyuchevskaya Sopka, Russia
This is the most high peak Kamchatka. Its height varies between 4750-4850 m above sea level. The slopes are covered with side craters, of which there are more than 80.
Klyuchevskaya Sopka reminds itself every 3 years, each of its activities lasts several months and is sometimes accompanied by ashfalls. The most active year It turned out to be 2016, when the volcano exploded 55 times.
The most destructive disaster was in 1938, when the activity of Klyuchevskaya Sopka lasted 13 months.
Mauna Loa, Hawaii, USA
Mauna Loa can be found in the central part of the island of Hawaii. It rises 4169 m above sea level. Mauna Loa is of the Hawaiian type.
Its characteristic feature is lava outpourings that occur without explosions or ash emissions. Lava erupts through the central vent, cracks and fractures.
Cotopaxi, Ecuador
Cotopaxi belongs to the Andes mountain system. This is the second highest peak, rising to 5911 m.
The first eruption was recorded in 1534. The eruption had its most devastating consequences in 1768. Then the release of lava and sulfur was accompanied by an earthquake. The disaster destroyed the city of Latacunga and its surrounding area. The eruption was so strong that traces of it were found in the Amazon basin.
Iceland
There are about three dozen volcanoes on the island of Iceland. Among them, some have long been extinct, but there are also active ones.
This island is the only one in the world where so many geological formations are located. Icelandic territory is a real volcanic plateau.
Extinct and dormant volcanoes
Volcanoes that have lost activity are either extinct or dormant. They are safe to visit, which is why these sites are more popular among travelers. On the map, such geological formations are marked with black stars, in contrast to active ones, marked with red stars.
What is the difference between an extinct and dormant volcano? Extinct species have not been active for at least 1 million years. Presumably, their magma has already cooled and will not explode. True, volcanologists do not rule out that a new volcano may form in their place.
Aconcagua, Argentina
Aconcagua is the highest peak in the Andes. It rises to 6960.8 m. The mountain was formed at the junction of the Nazca and South American lithospheric plates. Today the slopes of the mountain are covered with glaciers.
Aconcagua is of interest to climbers as the highest peak South America, as well as the tallest extinct volcano.
Kilimanjaro, Africa
If someone is asked to name the highest mountain in Africa, he will name the highest famous mountain on the African continent. It consists of 3 peaks, the highest of which is Kibo (5,891.8 m).
Kilimanjaro is considered dormant, with only gases and sulfur escaping from its crater. It is expected to become active when the mountain collapses, leading to a large-scale eruption. Scientists consider the peak of Kibo to be the most formidable.
Yellowstone, USA
Yellowstone is located on the territory of the same name national park. The peak belongs to supervolcanoes, of which there are 20 on Earth. Yellowstone is extremely dangerous because it erupts with incredible force and can affect the climate of the planet.
Yellowstone has erupted three times. The last eruption took place 640 thousand years ago, at which time the caldera depression was formed.
At this volcano, lava accumulates in a special reservoir, where it melts the surrounding rocks, becoming thicker. This reservoir is very close to the surface, which worries volcanologists.
The eruption is stopped by flows of water that cool the magma bubble and break out in the form of geysers.
The US authorities are taking all measures to prevent the eruption of Yellowstone, because it could claim the lives of 87 thousand people. One of the projects is the installation of a geothermal station, but this will require drilling wells, which could provoke a disaster not only in the country, but also on the entire planet.
Elbrus, Russia
The Caucasian peak today is attractive to climbers. Its height is 5621 m. It is a dormant formation in which volcanic processes occur. The last eruption supposedly took place 1.7 thousand years ago; 500 years ago it released a column of ash.
The activity of Elbrus is evidenced by geothermal springs located nearby. Scientists disagree on when to expect the next eruption, but what is certain is that it will lead to a mudslide.
Big and Small Ararat, Türkiye
Greater Ararat (5165 m) is located on the Armenian Highlands, 11 km from it is Little Ararat (3927 m).
Eruptions Greater Ararat always accompanied by destruction. The last tragedy occurred in 1840 and was accompanied by a strong earthquake. Then 10,000 people died.
Kazbek, Georgia
Kazbek is located in Georgia. Locals They call it Mkinvartsveri, which translates as “ice mountain”. The height of the giant is 5033.8 m.
Kazbek is not active today, but is classified as potentially dangerous. It last erupted in 650 BC.
The mountain has very steep slopes, and mudslides are possible.
Conclusion
Volcanoes are among the most attractive tourist sites. Today they are no longer so dangerous, since their activity can be predicted by volcanologists. Research is underway to harness the energy of geological formations for the benefit of humanity.
When trying to go to the top of a volcano, especially an active one, it is necessary to collect information about its condition and listen to the forecasts of seismologists, since tragic incidents among tourists occur frequently.
We bring to your attention interesting video about active volcanoes of the world:
19.02.2014
In countries where there are volcanoes, such as Indonesia, they are located in large provinces such as West Java, East Java or Central Java. One of the most terrible disasters is a volcanic eruption, which can claim hundreds or even thousands of lives. It is impossible to forget about the eruption of the Krakatoa volcano, the enormous damage and thousands of victims. And here we present a list of the most dangerous and active volcanoes in the world. However, not all volcanoes are dangerous. is in great demand among travelers and wildlife lovers.
No. 10. Hawaii, Mauna Loa volcano
Mauna Loa is one of the five mountains that form the island of Hawaii. Despite the fact that this is not the most high mountain, a volcanic eruption poses a high danger, since its lava basically has a liquid consistency, which can lead to serious fires. Mauna LOA is the most big volcano in the world (by volume and area), taking into account the volume of lava, it reaches 18,000 cubic miles. The last eruption occurred on April 15, 1984.
No. 9. Philippines, Taal Volcano
About 50 km (31 miles) from the capital Manila is one of the most dangerous volcanoes, Taal. This mountain is an island on Lake Taal, which is located inside a caldera formed as a result of very strong previous eruptions (this process is similar to Lake Toba). Taal Volcano is a complex of volcanoes on the island of Luzon in the Philippines. This volcano has experienced violent eruptions several times, including one of the most powerful eruptions that killed more than a thousand people.
No. 8. Papua New Guinea, Ulawun Volcano
Ulawun Volcano is located in Papua New Guinea, on the Bismarck Archipelago, and is one of the most active and dangerous volcanoes New Guinea. Several eruptions have been recorded, with one of the most powerful occurring in 1980, the ash column spewed from Ulawun reaching 60,000 feet in height, and its pyroclastic flows engulfed the mountains on all sides.
No. 7. Congo, Nyiragongo volcano
It has erupted at least 34 times since 1882. One of the worst eruptions occurred on September 17, 2002, when lava that flowed down the slopes of Nyiragongo covered about 40% of the city of Goma and left almost 120,000 people homeless. Nyiragongo is one of the most active volcanoes in Africa, his activity never stops.
No. 6. Indonesia, Merapi volcano
Mount Merapi is a conical volcano located in Indonesia on the border between Central Java and Yogyakarta. Much of the Merapi eruption, including lava, continues to descend, accompanied at times by hot smoke capable of spreading at speeds of up to 120 km per hour. This is the most active and dangerous volcanoes in Indonesia, they became active 10,000 years ago, and their activity has not stopped since 1548.
No. 5. Colombia, Galeras volcano
This mountain most active volcano in Colombia. Since 2000, its eruptions have occurred almost every year. This is dangerous because... the frequency of eruptions is unpredictable. The Galeras volcano has been active for at least a million years. Its location near the southern Colombian border with Ecuador could result in hot lava flowing 3.5 km down the slope of Mount Galeras. The last eruption on January 3, 2010 forced the government to evacuate 8,000 people.
No. 4. Japan, Sakurajima volcano
The Sakurajima volcano is located on the island of Kyushu in Japan and is one of the most dangerous volcanoes. On March 10, 2009, a terrible eruption occurred when the volcano threw out stones and other rocks up to 2 miles. The intensity of the Sakurajima eruption is one of the most powerful not only in Japan, but also in the world. Over the past 45 years, 73 eruptions have been recorded.
No. 3. Mexico, Popocatepetl volcano
The active volcano Popocatepetl is located at an altitude of 5426 meters above sea level. Starting in December 1994, the dangerous activity of the volcano continued until this happened in 2000. violent eruption, as only known to history. Since 1519, 20 eruptions have been recorded. The explosion was so strong that it threw ash over a fairly long distance.
No. 2. Italy, Vesuvius volcano
Mount Vesuvius is an active volcano in Gulf of Naples, in Italy, approximately 9 miles east of Naples. Mount Vesuvius is the only volcano in Europe that has erupted in the last 100 years. This volcano could explode at any moment and severely punish the people living in its vicinity. Lava eruptions from a volcano can reach high altitude, so in March 1994, lava splashed to a height of up to 1000 meters. The famous eruption of 79 destroyed the ancient Roman cities of Pompeii and Herculaneum.
No. 1. USA, Yellowstone volcano
Yellowstone Volcano – the most dangerous and active volcano in the world. Rocks and rocks ejected from this volcano can be scattered over a distance of up to 1000 km. Volcanic eruption lava and ash of this mountain threatens the extinction of living things and can cause a mass disaster, because it will entail others volcanic activity, determined by tectonic fluctuations, which will cause other explosions.
It will not be difficult for me to answer the question - before my eyes contour map with tectonic plate boundaries. :) However, I would like to clarify what a volcano is, where it is formed and where there are most of them.
Which continent has no volcanoes?
In order to understand which continent does not have volcanoes, it is necessary to determine what volcanoes actually are and in what places they occur. So, mountain, at the top of which there is a hole - crater, from which lava periodically erupts, is a volcano. But in what areas are they formed? According to research, risk areas are places where there is boundary between tectonic plates. If you open the atlas, where the boundaries of the plates are indicated, you can easily make sure that Australia- a continent on whose territory no such areas are observed.
Why a volcano is dangerous and useful
An “awakened” volcano is extremely dangerous for several reasons, however "sleeping" poses a much greater danger. At any moment it can simply explode, spewing streams of lava over vast areas. In addition, if the volcano is located at the bottom or on an island, it is very likely that this will cause tsunami. However, despite the fact that this phenomenon is very dangerous, volcanoes bring some benefit. For example:
- come to the surface rare metals;
- used in industry pumice- porous substance of volcanic origin;
- often volcanoes form strong rocks, which can be used in construction.
Countries with the most volcanoes
Total on our planet about 500 active volcanoes, most of which are located at the junctions of sections of the cortex. Here are the “record holders” among countries whose territory is rich in volcanoes:
- Ecuador - 62;
- Japan - 69;
- Chile- about 100;
- Indonesia - 125;
- USA- more than 135.
Pacific Ring of Fire
This name was given to a vast area in which a huge number of volcanoes are concentrated. It extends along the edge of the Pacific Ocean, where the oceanic plates seem to go under the continental ones, forming long chains of volcanoes. Of all the earthquakes that occurred on the planet, more than 93% occurred in this area. There are near350 volcanoes, which corresponds to 78% of the total number of active volcanoes in the world.
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