Google now has a website that uses satellite images to document landscape changes over time. With it you can see lakes shrinking, cities expanding, glaciers retreating and mining activities advancing.
North Korea is a very closed country. This Business Week video explains how Google has been able to use crowd-sourcing to construct maps of North Korea beyond what can be obtained from satellite images.
Google has a simple online GIS for Hurricane Sandy that you can use to display information from a variety of sources. (Use the checkboxes in the lower right margin to toggle data layers off and on. Data layers include information on weather, storm surge, emergency shelters, webcams locations, public alerts, traffic conditions, stream gauges and more.)
This Google map provides a satellite view of the San Andreas fault with the fault trace marked as a red line. You can zoom in for a closer view in both “map” and “satellite image” format.
“Back in September 2010, we launched the first Street View imagery of the Antarctic, enabling people from more habitable lands to see penguins in Antarctica for the first time. Today we’re bringing you additional panoramic imagery of historic Antarctic locations that you can view from the comfort of your homes.” Quote from the official Google Blog.
Kelimutu is a volcano with three summit lakes on Flores Island, Indonesia. The lakes are typically different colors and often change colors. These color variations are though to be caused by fumaroles below the lakes which causes changes in water chemistry.
Every day Google celebrates a famous person or event and today they honor Nicolas Steno, one of the early pioneers of geology. The doodle features rock layers spelling GOOGLE and when they are clicked it does a google search for “Nicolas Steno”. Check it out, it will be gone tomorrow.
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Homeowners Insurance usually does not cover damage caused by floods, landslides, earthquakes and other geohazards.
Frac Sand is a high-purity silica sand used in hydraulic fracturing to enhance the flow of oil and gas from tight rock units.
Diamonds from Coal? Diamonds form under a variety of conditions that rarely involve coal as a source of carbon.
Fluorescent Minerals glow with spectacular colors when illuminated in the dark with an ultraviolet lamp.
Helium is a byproduct of the natural gas industry. Its most important use is in magnetic resonance imaging (MRI) machines.
Canada Diamond Mines: Canada is the third largest producer of gem-quality diamonds in the world.
Utica Shale: New wells in eastern Ohio prove that the Utica Shale will be a major source of natural gas and natural gas liquids.
Spectacular Fossils of the Green River Formation. Some of the world's best-preserved fossil fish from an intermountain lake.
Opals: Gem quality opal is one of the most spectacular gemstones. A single stone can flash with every color of the spectrum.
