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Possible Large Impact Crater In Nevada
While participating in amateur rocket launches in Black Rock Desert (the site of Burning Man), Ian Kluft noticed rocks with some oddities. Through the Internet he learned the characteristics of impact craters, then found some clues in photographs and Google Maps. Examining the area, he collected samples of rock with impact patterns and other evidence. He found that previous geological puzzles in the region are well explained as impact structures. Volunteers are finding peculiarities in satellite imagery of the area. Kluft presents his evidence here — "Submitted for Study: Discovery of Possible Impact Crater at Nevada's Black Rock Desert." This is a preliminary, six-week effort intended to bring the site to the attention of geologists. Confirmation will take some time and more elaborate tools than his group has.
That isn't as clear a picture as the image you found would indicate. Research found by that search show the hot spot tracks for the Yellowstone WY and Newberry OR calderas appear to trace back to a common unexplained origin around the Owhyee Plateau on the OR/NV border.
Also note that even the meanest volcano can't produce enough pressure to cause shatter cones in rocks. If the pros confirm them, it would mean the only possible causes are an impact or a nuke.