"Sometimes, the “gate” stops earthquakes in the magnitude 7 range, while ones that pass through the gate grow to magnitude 8 or greater, releasing over 32 times as much energy as a magnitude 7." 

“An earthquake gate is like someone directing traffic at a one-lane construction zone. Sometimes you pull up and get a green ‘go’ sign, other times you have a red ‘stop’ sign until conditions change,” said UC Riverside geologist Nicolas Barth. "

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