The-Vug.com has an impressive listing of mineral clubs organized by state. You might be surprised at how many clubs are listed and there is probably one that meets within a short drive of your home.
Since 1972 the “Roadside Geology” series has provided introductory information on the geology of states and small regions of the United States. The books provide a combination of maps, travel logs, photos and commentary for the geology that can be seen along highways or visited at parks and public viewing areas. They are popular with geologists and others who are interested in the Earth.
Ball State University is building a geothermal system to heat and cool 46 buildings (6.7 million square feet) using thousands of boreholes. The multi-year project will retire a coal-fired boiler system.
The folks at MyTopo.com are now printing supersized topo maps – large enough make a huge 5′ x 8′ (or 8′ x 5′) map that will look fantastic on the wall of your office, conference room, lobby, cabin or den. These maps are custom-centered on any location that you pick using their online map-making tool. Lots of smaller sizes are also available.
We are affiliates of MyTopo.com and receive a commission on sales.
Raven Maps are beautiful examples of shaded-relief wall maps that display the elevation of a state in vibrant colors. These large maps look great in a classroom, den or office. Use one to mark the locations of your work or company.
An article on the Purdue University website provides a summary of USArray, a network of seismometers that are being installed across the United States, and the 23 USArray stations that will be located in Indiana.
Earthquake waves travel very efficiently in the crust of the eastern United States. As a result the Magnitude 5.9 earthquake that occurred today in Virginia was felt in at least 22 states plus the District of Colombia. Ground shaking has been reported to the USGS and by news accounts in: New Jersey, New York, Pennsylvania, Delaware, Maryland, Virginia, West Virginia, North Carolina, South Carolina, Tennessee, Kentucky, Ohio, Massachusetts, Rhode Island, Connecticut, Vermont, New Hampshire, Maine, Indiana, Georgia, Florida and Washington, DC.
A few companies are building tornado-resistant homes that look like typical homes but have a structural steel frame. They cost just 5% more than a typical home.
News reports from Ohio and Indiana say that people have felt vibrations thought to be “frost earthquakes” or “cryoseisms”. The Maine Geological Survey has a short an interesting article on cryoseisms.
A small earthquake in Indiana can attract a lot of attention. A magnitude 3.8 earthquake that occurred there on Thursday, December 30 has drawn nearly 10,000 reports at the USGS “Did you feel it?” website. If you feel an earthquake you can report your experience there too.
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