David W. Gordon
1992
<p>This issue of <i>Earthquakes & Volcanoes</i> tells the story of a pair of exceptional earthquakes, which struck southern California on June 28, 1992 - a magnitude 7.6 earthquake near Landers and a magnitude 6.7 aftershock near Big Bear Lake. The mainshock occurred at approximately 5:00 a.m. local time, and the aftershock - the strongest of a prolonged, prolific series - followed 3 hrs later.</p>
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U.S. Geological Survey
Introduction to the Landers-Big Bear Earthquakes
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