The first volcano erupted approximately 4.5 billion years ago. This is when the earth first came into existence, and long before the first humans walked the earth, according to Scholastic, Inc.Know More
The most catastrophic volcanic eruption in modern times took place in 1815. A volcano named Tambora erupted in Indonesia, causing the death of approximately 90,000 people, though most of them died from starvation rather than as a direct result of the eruption.
When a volcano has an intense, explosive eruption, it can fling rocks at a velocity of up to 670 miles per hour. Generally speaking, when a volcano starts to erupt, the eruption continues for around 10 years. Some eruptions have been known to last for hundreds of years.Learn more about Volcanoes
The Colima volcano is an active volcano and is classified as a strato volcano. Such a volcano has successive layers of ash and lava. The summit of the volcano is 3850 meters above sea level. It is located in the province of Colima in Mexico.Full Answer >
A caldera forms as a volcano's magma chamber empties, resulting in a loss of support for the earth above it. These bowl-shaped depressions can range in size from a few hundred meters to several kilometers wide. They are generally caused by large volcanic eruptions.Full Answer >
Mount St. Helens is a cinder cone volcano that formed through the gradual accumulation of cinders and ash at the base of the mountain. Unlike a shield volcano, such as Mauna Loa in Hawaii, cinder cones can rise sharply from the surrounding terrain and maintain a steep, angular profile throughout their existence.Full Answer >
The Stromboli volcano is unique among the world's volcanoes in that it has been erupting almost continually for nearly 2,000 years. In spite of this, as of 2014, there have been fewer than 10 recorded deaths associated with the volcano.Full Answer >