What are the facts about the eye of a tornado?

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Recent Earthquake Questions

• How many detection centers are necessary to pinpoint the location of the epicenter of an earthquake?
• How are logarithms used in the pH scale and richter scale?
• What are your experiences with tornado warnings ? what do you do when one is issued ?
• Why do seismologists need measurements from three different locations to find the epicenter of an earthquake?
• Given that the Richter scale is a base 10- logarithmic measure of the amplitude of an earthquake…(math help)?
• do seismic waves spread from the epicentre or the focus?
• What is the difference between a tornado watch and a tornado warning?
• How do high and low pressure areas influence the development of a hurricane?
• During a seismic refraction survey, is the hammer switch known as a timing geophone?
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• What could happen if a hurricane forms over the oil spill?
• What physical features give an anti-seismic structure this property?
• How do you calculate earthquake amplitude?
• Is their going to be a mega earthquake/tsaunami in California on September 2010?

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