It changes over many years with weathering and erosion
I believe by weathering and erosion. What do you believe?
Mount Vesuvius is around 17,000 years old. However, this volcano formed from an existing volcano which was 300,000 years old.
It is imposable to know when the first volcano erupted since the have been around for millions of years.
Studies indicate that the Popocatepetl volcano is around 730,000 years old. The volcano is located in Central Mexico, and its elevation is 17,802 feet.
The Newberry Volcano last erupted around 1,300 years ago, in the 8th century.
A deep V-shaped valley is transformed into a wide plain with the stream course twisting and turning across the landscape.
Such a volcano is dormant.
Billions of years ago. No people were around, then, so there is no record of the event.
Eyjafjallajökull volcano in Iceland was formed around 700,000 years ago and last erupted in 2010.
The age of mount yasur volcano is 281 years old and 361 m high.
Yellowstone Volcano. Some called it Yellowstone Caldera.
The magma in the earth had to go somewhere and it has accumulated around the Yellowstone area for many thousands of years.