Volcanic eruptions are some of the most spectacular of all natural phenomen...More
A tsunami is a seismic sea wave generated by a sudden displacement of the s...More
The outermost layer of the Earth consists of different materials, comprisin...More
Asteroids and comets are space objects that orbit the Sun. When they enter ...More
Every day parts of the surface of the Earth are rattled by earthquake tremo...More
The Earth has experienced many episodes of dramatic climate change over the...More
There are many different types of floods, ranging from slowly rising region...More
Coastlines offer some of the best scenery and recreation areas, yet they al...More
