ScienceBlog

Supporting 21st Century Science GCSE

ScienceBlog

Scienceblog.org is our own portal for students and teachers. It brings all our latest articles, free images, newsfeeds, downloads, multimedia resources, and weblinks relevant for the study of  21st Century Science. This site is o­ne of  number of complementary websites we have developed for science education. All developed using wonderful Open Source software!

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Topic: The Earth in the Universe

The new items published under this topic are as follows.

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Earthquake hits UK: Kent

It is not often the UK is hit by an earthquake. It becomes headline news, even though minimal damage is done, compared with more severe earthquakes in other parts of the world






An earthquake struck Kent (UK) this morning.  (April 28th, 2007)




Click o­n image to see details.

(Source : http://www.esc.bgs.ac.uk/esc_emsc.htm

It caused a major power cut in the Folkestone area. The earthquake was identified by the British Geological Survey as being 12 kilometres off the coast of Dover and Hythe area . It affected about 65,000 homes and businesses. The epicentre  was calculated to be 12 km off the coast of Dover. The US Geological Survey measured the quake at 4.7 o­n the Richter Scale at a depth of 10km below the surface. 

Kent Fire and Rescue Service revealed that it had over 100 emergency calls in the morning. Damage to structures included chimneys and walls. The quake was felt in Canterbury and Ashford, and its duration was only a second or two. It set off  numerous fire alarms across the region. This resulted in many hotels and businesses being evacuated. 

( Richter Scale for 4.0 to 4.9:

Noticeable shaking of indoor items, rattling noises. Significant damage unlikely. There are an estimated 6,200 quakes of this magnitude per year. )



Animated Image showing Earthquakes over 7 days. 

Notice that most of the earthquakes are along plate boundaries.....(Source : USGS

More about Plate Boundaries:

http://earth.leeds.ac.uk/dynamicearth/plates_move/active_tectonics/index.htm

Wikipedia Link: http://en.wikipedia.org/wiki/2007_Kent_earthquake

BBC WebsiteHow do earthquakes happen?

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Evidence for Extraterrestrial Impacts...

Here are some images you can use in your project about extraterrestrial impacts. These latest images were taken in April 2007 at Meteor (Barringer) Crater, Arizona

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Global Dimming (Part 1)

A recently discovered  phenomenon, Global Dimming, is now being recognised by scientists as real, and needs to be addressed urgently....

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Edwin Hubble and The Big Bang

Edwin Hubble was the first to measure the redshift of galaxies. This was an important discovery in providing evidence for support of  The Big Bang Theory.

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Earthquakes: What can be done to reduce the effects?

Another major earthquake has killed over 19,000 of people in Pakistan, and over 42,000 have been estimated to be injured. What can be done to reduce the effects of earthquakes?

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Alfred Wegener and Plate Tectonics

Looking for interactive resources for Plate Tectonics? Here are useful resources for the development of the theory of  Plate Tectonics...

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Continental Drift and Plate Tectonics

Here are some interactive resources to use in the study of  Continental Drift and Plate Tectonics.....

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Explore our Earth...

NASA's Earth Observatory is a unique resource. It provides news, images, articles, data, and experiments related to our planet.....

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Removing wetlands : A recipe for disaster

The desire for new buildings has led to an enormous amount of wetland areas being removed in New Orleans. These are natural defences against the effects of storms.....

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Are we alone?

On March 13th, 1997 hundreds of citizens in Phoenix, Arizona (USA),  experienced a unique phenomena of lights that has defied 'official' explanations.

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