Scientists in Southern California believe they’ve found evidence that finally identifies the source of one of the largest quakes since the region was settled.
The clues also permit the researchers to better estimate the magnitude of the 1812 temblor–an assessment that could translate into higher seismic risk for the region.
The San Cayetano fault, northwest of Los Angeles, is about 45 kilometers long and extends to within 50 km of the city’s downtown.
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