Related News Cause of historic New Madrid quake found  UPI - Mar 22 8:06 AM A Canadian-led study of major 1811-12 central U.S. earthquakes has identified a possible driving mechanism for intraplate seismicity. Save Related Terms: research of contiental margin, contiental margin Deep-diving West Coast Plate May Have Triggered Massive Central U.S. Quake  Science Daily - Mar 22 9:07 AM Scientists studying extraordinary earthquakes in the central U.S. in 1811-12 along the New Madrid seismic zone have revealed a possible new driving mechanism for intraplate seismicity. Save AGU Journal highlights -- 21 March 2007  EurekAlert! - Mar 21 9:52 AM A burst of protons from the Sun in 1859 destroyed several times more ozone in Earth's atmosphere than did a 1989 solar flare that was the strongest ever monitored by satellite, a new analysis finds. Save

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