April 22, 2013 –The “Big One” May Hit Southern California Sooner than many Project: The information in the first three paragraphs, below, was gleamed from a research paper published by the Geological Society of America and presented to me by the author of the outstanding “AbreaveHeart1” Blog. The last two paragraphs are mine.
Shown, above, is a Tectonic map of the Pacific–North America plate boundary of the Gulf of California–Salton Sea trough region: The thin black lines are transform (strike-slip) faults; while the red lines are spreading centers in the southern Gulf of California and complex pull-apart basins in the northern Gulf of California and Salton trough. Abbreviations from north to south are: SAF—San Andreas Fault; G—Guaymas spreading center; C—Carmen spreading center; F—Farallon spreading center; P—Pescadero spreading center; A—Alarcón spreading center; T-A F.Z.—Tosco-Abreajos fault zone; EPR—East Pacific Rise. Normally, faults on the Baja California peninsula and…
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