Basically two ways. Intrusive igneous rock is formed when magma cools and solidifies beneath the surface of the earth. These rocks are also called plutonic rocks.
Hurricane Irma is the strongest Atlantic basin hurricane ever recorded outside the Gulf of Mexico and the Caribbean Sea. It lasted as a hurricane from August 31 until September 11. The storm, which stretched 650 miles from east to west, affected at least nine US states, turning streets into rivers, ripping down power lines, uprooting trees and cutting off coastal communities.
Devastation from Hurricane Andrew at a trailer park near Homestead, Fla., in 1992. Credit Keith Meyers/The New York Times . As of Wednesday, forecasters were still unsure where Irma might make landfall in Florida or how strong it will be when it does.