Hurricane Marco was the first of two tropical cyclones to threaten the Gulf Coast of the United States within a three-day period. The thirteenth named storm and third hurricane of the record-breaking
Hurricane Marco approaching Louisiana at peak intensity on August 23
Hurricane Marco (left) and Tropical Storm Laura on August 23
A weakening Tropical Storm Marco passing just south of the coast of Louisiana on August 24
The Yucatán Peninsula is a large peninsula in southeast Mexico and adjacent portions of Belize and Guatemala. The peninsula extends towards the northeast, separating the Gulf of Mexico to the north an
Satellite image of the Yucatán Peninsula
Artistic impression of the asteroid slamming into tropical, shallow seas of the sulfur-rich Yucatán Peninsula in what is today Southeast Mexico. The aftermath of this immense asteroid collision, which occurred approximately 66 million years ago, is believed to have caused the mass extinction of non-avian dinosaurs and many other species on Earth. The impact spewed hundreds of billions of tons of sulfur into the atmosphere, producing a worldwide blackout and freezing temperatures that persisted for at least a decade.
El Castillo, at Chichen Itza
Sediment off the Yucatán Peninsula