Geology

On August 27th 1883, after a long period of relative quiet, the Krakatoa volcano located between Java and Sumatra, roared to live. During the eruption, the island mountain blew itself apart, killing over 30,000 people in the process. Today, Krakatoa is back, but in a much smaller way.

In terms of magnitude and damage, the Valentine earthquake is the largest recorded earthquake to have occurred in the state of Texas.

This article describes the processes that are involved in the formation of igneous rocks and the factors that influence the composition of magma.

Unique and rare Septarian brown stones among other types are found along a narrow stretch of Lake Michigan shorelines. Find out the one other place in the world they can be found.

This hub is solely written bearing in mind helping school kids with their assignments. I have written down briefly with illustrations where possible, what mountains are, how they are formed, the types of mountains and how you identify the different types of mountains. I hope you enjoy reading this, and it helps you with your requirements.

Where are the world's supervolcanoes? The Western United States, Italy, New Zealand, and Asia all contain volcanoes capable of catastrophic eruptions.

This article looks at ten sandy beaches of extraordinary colour, what they are composed of and how they are formed, with illustrations of all ten

The idea of going to the centre of the Earth was brought to prominence in Jules Verne's classic 1884 Sci-Fi novel 'Journey to the Centre of the Earth, but how far have we gone towards this goal?

This article explains the science of how rainforests are formed, and explains their role in Earth's ecology and environmental health, as well as human impact on rainforests and their projected future.

At any point on the earth's surface, if you dig down far enough, you will come to rock. Rocks are the building blocks of the earth's crust. There are many different types of rock, and they are all composed of one or more minerals. This article explores 10 fascinating facts about rocks and minerals.

This guide will teach you how to estimate the classification of a soil and how to describe its characteristics, based on the Unified Soil Classification System. It is intended for use in construction materials testing but can be useful for anyone who works with soil.

Hydraulic fracturing is a type of drilling and mining for oil and natural gas. Fracking wells are typically built on shale deposits that contain significant reserves of natural gas. Fracking may be causing earthquakes, and uses chemicals that are toxic.

This is a brief description of the structure of planet earth, written specifically to help educate curious children.

The Bolshaya Udina volcano in Siberia is coming back to life. This Russian volcano situated along the dangerous Ring of Fire has shown so much seismic activity over the past few years that its classification has changed from extinct to active. Some scientists think that it could erupt at any time.

Land subsidence caused by groundwater withdrawal poses a significant threat to governments, businesses, and the general public.

Mud is a versatile and interesting material. It's useful for both humans and animals. It can also be dangerous, especially in the form of mud volcanoes and mudflows.