Earth Science

The desert biome covers approximately one third of the Earth´s  surface, and occurs in regions where the annual average precipitation is less than 25 cm (10 inches) a year. There are regions which are extremely dry, and receive less than…
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More than anything else, preparing for severe weather requires common sense. The principal concerns presented by thunderstorms are lightning, high winds and power outages. Prior to the storm, unplug any appliances or other electronic equipment that you will not be…
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How to survive a tornado Tornadoes are one of nature’s most dangerous natural disasters – they’re unpredictable, deadly and destructive, and every year people die because they don’t know how to survive the storms or their aftermath. While there are…
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A heat wave may be the time to take a dip into a pool or sample an ice cream cone at a store. The heat wave is also dangerous; children and elderly victims can suffer it the most. Whenever there’s…
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When most of us hear the word eruption, we almost instinctively associate such images as smoking mountain tops and cascades of hot bubbling lava. However, there is another type of natural disaster in our midst that has somehow slipped public…
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Limnic eruptions, or lake overturns, are a rare natural disasters where large quantities of carbon dioxide are released from deep lake water resulting in a deadly cloud of CO2 which suffocates all in its path. Thirty-seven people were killed as…
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When the earth’s tectonic plates shift, the earth shakes and quakes. This shaking causes a number of events to occur. The tsunami is one nature’s most dramatic damaging phenomenon. It is the result of an earthquake shaking the oceans and…
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Sedimentary rocks are formed from material which was once a sediment.  Therefore they are normally formed under a mass of water, making up a series of layers, or strata.  These strata, originally horizontal, can often become folded or cracked (faulted)…
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Hurricanes are one of the deadliest and catastrophic natural disasters that occur on Earth.  Hurricane Katrina was one the worst disasters in human history, leaving more than 1,000 people dead and tens of thousands homeless.  Predicting hurricane seasons is a…
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The hazards of a hurricane can vary depending on whether you are inland, near the shore, on a boat on the ocean or on a boat on a lake or river. Although some of the hazards are common to all…
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