Chilean Earthquake – Food For Thought

Shallow 6-5 magnitude earthquake strikes off the coast of Aisen, Chile

A magnitude 8.8 quake and the tsunami it unleashed in 2010 
killed 551 people and destroyed 220,000 homes. 
It was so strong it changed time, shortening the Earth’s 
day slightly by changing the planet’s rotation.
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Frick and Frack – Oklahoma Quakes

Interesting article on what might be behind (or underneath) the reason for Ok’s quake(s) in recent years.

Did Fracking Cause Oklahoma’s Largest Recorded Earthquake?


By Charles Q. Choi

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November 14, 2011 |
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This quake is part of a skyrocketing rise in seismic activity the state has seen in the past three years, leading many to wonder—and worry—about its cause. Might the practice of fracking, a controversial method of drilling into rock for natural gas, be to blame?
The recent uptick in the area’s temblors has been dramatic. From 1972 to 2008 only two to six earthquakes were reported per year in Oklahoma, and were often too small for people to notice. However, in 2009 nearly 50 earthquakes were recorded
Now, with the discovery of natural gas deposits in other regions of the U.S., the extraction method is being used more widely and has raised concerns about its potential to contaminate drinking water.

Read more at www.scientificamerican.com