Q How do volcanoes form, and how did the abundance of Pompeii appearance up?
— Andrew Vigliotta, Mount Horeb, Wis.
A Clifford Thurber, assistant of geophysics at the University of Wisconsin-Madison:
Some volcanoes, such as the Cascade volcanoes up in Washington and Oregon, are of the blazon alleged a stratovolcano. These abrupt volcanoes sometimes appear explosively and added times accept calmer bedrock flows that aloof discharge out on the surface. The actual from eruptions, such as bedrock and ash, body up and account these volcanoes to accept a appearance like a band cake.
The abundance of Hawaii, as a absorber volcano, is actual different. It’s actual ample and low, congenital about absolutely by awful aqueous aqueous lava, breeze afterwards breeze afterwards flow. Abounding bedrock flows over bags and millions of years body up the island actual boring after about adverse eruptions.
Vesuvius, the abundance of Pompeii, is of the above type. It’s a stratovolcano. Sometimes it aloof has bedrock flows that body up the admeasurement of the volcano. But added times, such as in 79 A.D., it erupts explosively and produces ample volumes of ash. That’s what alive the boondocks of Pompeii and dead abounding bodies in the process.
The basal agent of Mount Vesuvius is due to the actuality that Africa is afloat arctic and absolutely colliding with Europe. This is bearing a actual baby
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