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- A mountain that slopes downhill and opens into a lake of molten rock that lies below the surface of the earth is called a volcano. Eruptions take place whenever there is a buildup of pressure.
- During an eruption, rocks and gases are propelled upward through the aperture, where they either pour over or fill the air with pieces of lava. Lava flows, hot ash flows, mudslides, avalanches, falling ash, and floods are all potential outcomes of volcanic eruptions.
- The danger zone surrounding a volcano extends outward for around 20 miles in all directions.
- New volcanic ash, which is composed of crushed rock, may be abrasive, acidic, gritty, glassy, and stinky substance. Ash has the potential to harm the lungs of persons of advanced age, infants, and those who already suffer from respiratory conditions.
- Volcanic lightning is caused by friction caused by the ash racing to the surface and happens most often inside the cloud of ash that surrounds the volcano during an eruption. There have been over 200 eyewitness testimonies of this lightning in real time.
- An active volcano has the potential to set off a chain reaction of natural disasters, including earthquakes, rockfalls, mudflows, and tsunamis.
- More than 80 percent of the surface of the world was formed by volcanic activity. Numerous volcanic eruptions are responsible for the formation of the sea bottom as well as certain mountains. The atmosphere of the planet is created by the volcanic eruptions of various gases.
- The earth is home to more than 500 volcanoes that are currently active. The so-called “Ring of Fire” is an area that completely encircles the Pacific Ocean, and it is home to more than half of these volcanoes.
- The United States is home to a number of active volcanoes, the most of which are located in the states of Hawaii, Alaska, California, Oregon, and Washington. However, the likelihood of an eruption occurring in close proximity to populated regions is highest in Hawaii and Alaska.
- The sound produced by a volcano that is erupting may range from being soft and hissing to loud and booming. The deafening explosions may be heard hundreds of kilometers away and do the greatest damage, including shattered windows and damaged hearing.
- The most lethal eruptions on record have taken place in Indonesia, where tens of thousands of people have perished as a direct consequence of ash flows, tsunamis, mudflows, and famine caused by the eruption itself.