Thursday, September 24, 2009

Geology.com | News - September 24, 2009

Sesia Valley Caldera: Italian Supervolcano

Posted: 23 Sep 2009 11:28 PM PDT

“Scientists have found the “Rosetta Stone” of supervolcanoes, those giant pockmarks in the Earth’s surface produced by rare and massive explosive eruptions that rank among nature’s most violent events. The eruptions produce devastation on a regional scale — and possibly trigger climatic and environmental effects at a global scale.” Quoted from the SMU press [...]

Spectacular Dust Storms In Australia

Posted: 23 Sep 2009 10:20 PM PDT

The worst dust storm in 70 years is hitting eastern Australia. The storm has caused fights to be delayed or canceled, tied up traffic and caused health problems for Australian residents – who in many areas have been warned to stay indoors. In New South Wales the concentration of particles in the air [...]

Oil and Gas Rig Count Data

Posted: 23 Sep 2009 08:37 PM PDT

The “This Week in Petroleum” page on the Energy Information Administration’s website has a very good summary of rig count data, drawing heavily on data from Baker Hughes. Rig count by well type, rig count vs gas/oil prices, horizontal vs vertical wells and more.

Planet Mercury: Messenger Fly-By

Posted: 23 Sep 2009 08:14 PM PDT

NASA’s Mercury Surface, Space Environment, Geochemistry, and Ranging spacecraft known as MESSENGER will fly by Mercury for the third and final time on Sept. 29. The spacecraft will pass less than 142 miles above the planet’s rocky surface for a final gravity assist that will enable it to enter Mercury’s orbit in 2011.” Quoted [...]

Tristan da Cunha: Most Remote Inhabited Island

Posted: 23 Sep 2009 05:10 PM PDT

An article at Parade.com profiles Tristan da Cunha, one of several volcanic islands in the Tristan da Cunha archipelago located in the South Atlantic Ocean. At 1750 miles from the nearest land it is designated as the most remote inhabited island in the world.

Georgia Stream Levels

Posted: 23 Sep 2009 04:52 PM PDT

USGS has a continuous record of stage and discharge data for streams in Georgia at their National Water Information System website. The website has data in tabular form or you can plot the data as hydrographs.

Georgia Flooding Photos

Posted: 23 Sep 2009 03:27 PM PDT

Several days of heavy rain produced flooding in many parts of Georgia, especially in northern Georgia and the Atlanta region. The USGS Georgia Water Science Center has lots of photos of flooding from Carroll, Cobb, Douglas, Fulton, Gwinnett and Newton Counties.