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.
Irmaâs place in history. Irmaâs peak intensity (185 mph) ranks among the strongest in recorded history, exceeding the likes of Katrina, Andrew and Camille â whose winds peaked at 175 mph. Among the most intense storms on record, it only trails Hurricane Allen in 1980, which had winds of 190 mph.