The facts about the natural petroleum reserves remaining in the world
By: CC Swift
A Perspective on Trinidad and Tobago's Natural Gas ReservesIn 2007, the Government of Trinidad and Tobago (GOTT) commissioned a consulting firm to do a study of the nation's natural gas reserves. The report, which became known locally as the Ryder Scott Gas Reserves Report, was...
Shifting poles and the earth's dynamic structure
By: Stephanie A. Smith
In 1831, explorer James Clark Ross discovered the Magnetic North Pole. At the time, it was just above the Arctic Circle, and located in Canada. Then, in 1904, Roald Amundson discovered that the Magnetic North Pole had moved approximately fifty miles closer to the Geographic...
By: Rex Trulove
When asked what the driest desert on Earth is, many people might think of the Sahara, the Gobi, or perhaps a location such as Death Valley. They might be a little surprised then to learn that the driest desert on Earth is one that is...
By: Marcus Brooks
In 2004, Southeast Asia was devestated by a 9.3 magnitude earthquake. Indonesia, Bangladesh, Thailand, Sri Lanka and Malaysia were all affected. The inital quake and aftershocks tore down buildings and homes. They began massive mudslides that smothered entire villages. Unfortunately, it also awoke an...
What is a lahar?
By: Anne StClair
Lahars are mud flows resulting from volcanic activity, and they can pose the deadliest threat of all arising from a volcanic eruption.What are Lahars?Lahars are a type of muddy debris-laden stream that flows rapidly down the slopes of a volcano and into river...
By: Jane Allyson
It is a common misconception that people are killed by lava and ash as a result of a volcanic eruption. In fact, lava is made up of liquid rock that has been superheated to a temperature of up to 1250 degrees centigrade, and is a...
The difference between shallow-focus and deep-focus earthquakes
By: Anne StClair
The terms shallow focus and deep focus (and a third term: intermediate focus) earthquakes relates to the depth below the earth's surface at which the earthquake occurs.An earthquake originates at a point known as the focus or hypocentre, and most occur less than 70...
The deadliest earthquakes on record
By: Frances Stanford
Earthquakes are caused by the natural movements of the shifts that occur in the plates of the Earth fall beneath the surface of the land. Not all of them cause any damage. especially those that occur out to sea. In areas where earthquakes rarely happen...
The deadliest earthquakes on record
By: Avinash Mendha
Before describing about most devastating earthquakes that have occurred in past history i would like to explain about 'What is a earthquake'. An earthquake occurs under the earth's surface when two blocks of earth surface slip past each other. The place where they slip past...
What is a lahar?
By: Glenda K. Fralin
Lahar is an Indonesian word meaning mudflow or debris flow from the slope of a volcano.According to the United States Geologic Survey a lahar is a mudflow and/or debris flow along the slope of a volcano. In order to be classified as a lahar...

 

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