Tag Archives: U.S. Geological Survey

Black Spidery things on Mars

Radiolab Blogland recently posted the piece below titled “Krulwich Wonders: Are Those Spidery Black Things on Mars Dangerous? (Maybe).” Read on! “You are 200 miles directly above the Martian surface—looking down. This image was taken by the Mars Reconnaissance Orbiter on Jan. 27, 2010. (The color was added later.) What do we see? Well, sand, mostly [...]

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Largest Earthquake Ever Recorded

The largest earthquake ever recorded took place in Valdivia, Chile on the evening of May 22, 1960.  The U.S. Geological Survey explains that it reached a magnitude of 9.5 on the Richter scale (the energy equivalent of 10+18 joules) and spanned roughly 1,000 kilometers of land (10+04) from Lebu to Puerto Aisen. The earthquake left [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1473 days ago