Monday, May 9, 2011

Detecting Ancient Earthquakes

Scientists have a new tool which will allow them to study earthquakes of the past. this will aid them in helping to leanrand predict earthquakes. "Using the basic principles of friction, the researchers considered the geometry of the shapes they found in the Dead Sea sediment and combined it with a number of other parameters found in physical science to calculate how earthquakes from the past were distributed in scale, time and place. "the quote, taken from the article helps give some knowledge on how the tool works, which is more helpful to somebody like me with little understanding of how it works.



http://www.astrobio.net/pressrelease/3845/detecting-ancient-earthquakes

Drillers propose deep-Earth quest.

Off the coast of Costa Rica, scientists are panning on trying to unearth the deepest rock samples of the ocean. The scientists do have samples that have been brought up by mountains or lava flow from volcanoes, but each has been tampered with in a way that makes them impure. the reason to try it in the ocean is that going through from the ocean is less, a lot less, to drill though.


http://www.bbc.co.uk/news/science-environment-12841150

Deep-sea volcanoes don't just produce lava flows, they also explode

It is well known that volcanoes under water produce magma and lava frequently. 80% of all volcanic activity is caused under the sea level.but until recently, it has been unknown wether or not they erupt. a PhD student found crystals containing very high CO2 levels in the magma trapped inside of the crystals.this represents magma in a state prior to eruption,which proves eruption can occur.


http://www.physorg.com/news/2011-03-deep-sea-volcanoes-dont-lava.html

Thursday, April 28, 2011

Scientists plan to drill all the way down to the Earth's mantle

British scientists plan on drilling 5 miles deep to earths mantle to take rock samples from the mantle. there would only be a few problems, the atmospheric pressure and the degrees farenheit, both would rise dramtically the further you go. the benefits of what they are trying to do would be the un-tainted mantle sample, instead of the corrupted samples volcanoes bring up from the mantle.

http://www.physorg.com/news/2011-03-scientists-drill-earth-mantle.html

Newly discovered natural arch in Afghanistan one of world's largest

Scientists in Afganhistan have discovered a natural all stone arch spanning 200 feet. the natural wonder moved up to number 12 on the list of longest natural bridges. the bridge contains rock formed from the jurassic period and carved out by the once filled with water jawzri canyon.

http://esciencenews.com/articles/2011/03/30/newly.discovered.natural.arch.afghanistan.one.worlds.largest

Volcanologists have eye on the sky

New Zealand has launched a one of a kind satellite. a laser and radar eye in the sky. its purpose is to keep eyes on the volcanoes in the area. for now they use it to monitor the volcanoes activity to calibrate it for future data collection. until then they will use the same tools they have been using to monitor the 7 volcanoes.

http://www.physorg.com/news/2011-04-volcanologists-eye-sky.html

Wednesday, April 27, 2011

Ice Cores From Greenland

paleoclimatologist James White has made recent discoveries in ice core samples taken from icebergs. it reveals that during ive ages carbon dioxide levels are low, around 180 in the ice samples. where as when its warmer the CO2 levels increase to around 280 parts per million. The second finding is that the changes in the CO2 level happened fast and at that rate means the ocean rose rapidly. right now we stand at 392 ppm which means the earth is rapidly changing  and sea levels could rise soon.




http://www.scientificamerican.com/article.cfm?id=ice-cores-from-greenland-unlock-ancient-climate-secret