where did hurricane irma hit in the us
Hurricane Irma Irma developed on August 30, 2017 near the Cape Verde Islands, from a tropical wave that had moved off the west African coast three days prior.[2][3][4] Under favorable conditions, Irma rapidly intensified shortly after formation, becoming a Category 2 hurricane on the Saffir–Simpson scale within a mere 24 hours. Irma became a Category 3 hurricane (and therefore a major hurricane) shortly afterward; however, the intensity fluctuated between Categories 2 and 3 for the next several days due to a series of eyewall replacement cycles. On September 4, Irma resumed intensifying, becoming a Category 5 hurricane by early the next day. On September 6, Irma reached its peak intensity, with 185 mph (295 km/h) winds and a minimum pressure of 914 hPa (27.0 inHg), making it the second most intense tropical cyclone worldwide so far in 2017, behind only Hurricane Maria, and the strongest worldwide in 2017 in terms of wind speed. Another eyewall replacement cycle caused Irma to weaken back to a Category 4 hurricane, but the storm attained Category 5 status for a second time, before making landfall in Cuba. After dropping to Category 3 intensity due to land interaction, the storm re-intensified to Category 4 status as it crossed warm waters between Cuba and Florida, before making landfall on Cudjoe Key with maximum sustained winds at 130 mph (215 km/h). Irma dropped back to Category 3 by the time it made a second Florida landfall on Marco Island. Irma weakened to a Category 2 hurricane later that day, the first time it weakened below major hurricane status in over a week, and eventually dissipated off the coast of New England on September 16.
New Madrid Seismic Zone Instruments were installed in and around the area in 1974 to closely monitor seismic activity. Since then, more than 4,000 earthquakes have been recorded, most of which were too small to be felt. On average, one earthquake per year is large enough to be felt in the area.
Hurricane Katrina Hurricane Katrina was an extremely destructive and deadly tropical cyclone that was one of the costliest natural disasters and one of the five deadliest hurricanes in the history of the United States.[2] As Katrina made landfall, its front right quadrant, which held the strongest winds, slammed into Gulfport, Mississippi, devastating it.[3]
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