Earthquake glass from the Sierra Nevada range in California. (Christie Rowe) by Admin on October 16, 2012 Admin Author More in : How can I show you I’m doing better if there’s nothing good for me to do? April 13, 2026 Your health, your problem April 8, 2026 Oh, the places I’ll go (but not stay)! April 7, 2026 Earthquake glass from the Sierra Nevada range in California. (Christie Rowe)