The difference between the moment magnitude scale and the Richter scale
By: Imonikhe Ahimie
The earth's surface is not one undifferentiated whole but is composed of a number of separate pieces called plates each of which is in constant motion relative to the others; and it is this constant movement that results in the diversity of phenomena that we...
How are caves formed?
By: James Johnson
Caves, those deep dark tunnels going down into the depths of the earth. They at one time sheltered man from the elements as well as stirred his imagination, harboring dragons and riches alike. Even to this day are still both terrifying and fascinating to many...
Volcanoes, what they do and how they're formed
By: Matt Lipford
In spite of what we perceive on a daily basis, our small and seemingly docile planet is actually a gnashing, grinding sphere of constant, mind-boggling forces. Earthquakes shake our planet to the core, causing untold damage to cities and towns alike. Hurricanes tear across our...
All you need to know about earthquakes
By: Frances Stanford
Did you know that there are almost one thousand earthquakes occurring in only one day? The movements, which are often the result of the natural shaking of the Earth's surface, can go undetected. However, eruptions can also be so violent that they bring death and...
By: Cody Hodge
What will the world do when we run out of oil? Very good question, and I don't think anyone really has an answer for that. All that we know so far is that the day of reckoning is close at hand, and we only have...
By: Alison Bowler
The Richter Scale for measuring the magnitude of earthquakes was developed by Dr. Charles F. Richter in 1934. Dr Richter was working at the California Institute of Technology studying the waves produced by earthquakes using an instrument called a seismograph. He found that the amplitude...
Earth's energy sources
By: Cameron Foster
Until quite recently, humans burned wood, animal dung, or coal for fuel. These heat sources were used to cook, forge iron, and a myriad of other things. In a 21st Century paradigm we have learned so much more about global energy resources: there are vast...
How to predict volcanic eruptions
By: S-C Sterner
How to predict a volcanic eruption Every year some 60 volcanoes erupt around the world and some of them erupt as often as every day such as Kilauea and Stromboli in Hawaii. Most of the eruptions are luckily enough quite weak, but every now and...
The facts about yellow diamonds
By: Gillian Taber
Yellow diamonds are currently in vogue. The singer, Usher is known to be a fan, and owns a watch with his face made out of 1000 tiny yellow diamonds. Yellow diamonds occur naturally but can also be manufactured. Because naturally occurring yellow diamonds are rare...
By: Janet Grischy
Obsidian is a volcanic glass. It forms when lava that contains large amounts of silica cools without forming crystals. This generally happens when a volcano extrudes lava, rather than deep within the magma chamber. Obsidian is usually black, but can be dark green, red, or...

 

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