Between September 16 and 27, 1957, 200 earthquakes of a level 5 on the Meracalli scale were registered.
It was felt on Pico, with a maximum intensity level of VII on the Mercalli scale; some homes were damaged and possessions were buffeted.
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The 1931 Valentine earthquake occurred on August 16 in the town of Valentine, Texas and was rated at VIII (Destructive) on the Mercalli intensity scale.