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Galveston Hurricane of 1900
The Galveston Hurricane of 1900 made landfall on the city of Galveston, Texas, on September 8, 1900. It had estimated winds of 135 miles per hour (215 km/h) at landfall, making it a Category 4 storm ... > more -
Supervolcano
A supervolcano refers to a volcano that produces the largest and most voluminous kinds of eruption on Earth. The actual explosivity of these eruptions varies, but the sheer volume of extruded magma ... > more -
Cyclone Gafilo
Cyclone Gafilo was a powerful tropical cyclone which struck Madagascar in March 2004, causing devastating damage. At least 250 people were listed dead, with more missing, and 300,000 people were left ... > more -
Purple loosestrife
Purple loosestrife is a semi-aquatic herbaceous plant belonging to the loosestrife family, Lythraceae, native to the wetlands of Eurasia. It is a herbaceous perennial plant, growing 1-2 m tall, ... > more -
Mount St. Helens
Mount St. Helens is an active stratovolcano in Skamania County, Washington, in the Pacific Northwest region of the United States. It is located 96 miles (154 km) south of the city of Seattle and 53 ... > more -
Geologic fault
Geologic faults or simply faults are planar rock fractures which show evidence of relative movement. Large faults within the Earth's crust are the result of shear motion and active fault zones are ... > more -
List of Category 5 Atlantic hurricanes
This is a list of all Atlantic hurricanes that have reached Category 5, the highest classification of tropical cyclone intensity on the Saffir-Simpson Hurricane ... > more -
Plate tectonics
Plate tectonics is a theory of geology developed to explain the phenomenon of continental drift and is currently the theory accepted by the vast majority of scientists working in this area. In the ... > more -
Cretaceous
The Cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic period, about 146 million years ago (Ma), to the beginning of the Paleocene epoch ... > more -
Trace fossil
Trace fossils are those details preserved in rocks that are indirect evidence of life. While we are most familiar with relatively spectacular fossil hard part remains such as shells and bones, trace ... > more
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