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You are browsing the archive for 2011 August 23.

23 August 2011

The Big East Coast Shake

The view from two seismographs near the epicenter. The quake has been rated at 5.9 and was very shallow at 6 km. It was felt in Montgomery, Alabama and in Fredericton, New Brunswick. Will add more data on this page soon. There are two types of earthquake waves. Body waves and surface waves. Body waves travel in the Earth and are either P waves or S waves. P waves are …

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Irene Reaches Cat 2 Status and Threatens Bahamas

Hurricane Irene is now away from the Dominican Republic and is gaining strength rapidly this evening, as it moves toward the Bahamas. Intensity forecasts on any tropical system are very difficult but several of the more reliable models are indicating that Irene will reach Cat 3 or perhaps higher. A Category 3 storm is a major hurricane with winds of 154-177 km/hr (83-95knots).   Almost all of the track models …

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