“More than 500 volcanic vents have been identified in the State of California. At least 76 of these vents have erupted, some repeatedly, during the last 10,000 years. … Sooner or later, volcanoes in California will erupt again, and they could have serious impacts on the health and safety of the State’s citizens as well as on its economy.” Quoted from the USGS press release.
Recent research on Ubehebe Crater of California’s Death Valley reveals that it last erupted about 800 years ago instead of the previously-believed date of several thousand years ago. Erik Klementti comments on this new date.
“More than 500 volcanic vents have been identified in the State of California. At least 76 of these vents have erupted, some repeatedly, during the last 10,000 yr. Past volcanic activity has ranged in scale and type from small rhyolitic and basaltic eruptions through large catastrophic rhyolitic eruptions.” Quoted from the USGS report.
An article in the Los Angeles Times reports that the California Department of Transportation would like to abandon State Highway 39 because landslide and other problems are costing $1.5 million per year to repair.
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.
Damage caused by a landslide that cut off the Paseo Del Mar highway near San Pedro, California appears to be confined to an area fenced off by the city. The Contra Costa Times has a photo showing the severity of damage.
“In an attempt to better understand earthquakes and with the goal of one day being able to predict them, an international team of scientists and engineers headed to the heart of where earthquakes happen.” Quoted from the National Science Foundation news release.
An article on the Redding.com website considers the types of problems that will occur in the next eruption at Mt. Shasta. The mountain has erupted at least seven times in the past 4000 years.
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.
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.
The National Weather Service expects strong Santa Ana winds to produce gusts of 80 miles per hour or higher in southern California on Thursday and Friday.
The University of Washington, the University of California Berkeley and the California Institute of Technology have each received $2 million for developing an earthquake warning system for the Pacific Northwest.
An article on the Forbes.com website reports that Molycorp is spending nearly $1 billion to restart its Mountain Pass Summit mine in California. Check out the Google map below if you want a quick look at the mine.
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.
Trout populations in the Eel River of California which now spawn in separate locations were for centuries confined by a landslide into a single area where interbreeding occurred.
This video takes you on a quick visit to the Molycorp rare earth elementmine at Mountain Pass, California and provides some background on rare earth elements.
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