Golden Gate Bridge gets major seismic makeover to withstand powerful earthquakes

FILE: Earthquake swarm beneath Hawaii volcano raises new questions An earthquake swarm under Hawaii's Mount Kīlauea have geologists looking deeper for what's going on under the Earth's surface. Geologist and CEO Earth Evolution Stefan Burns joins FOX Weather to provide analysis on earthquake activity and what could lead to the next mega quake. THE TAKEAWAY The Golden Gate Bridge is undergoing its final major seismic retrofit phase. The billion-dollar project is designed to limit earthquake damage and help keep the bridge operational for emergency response. The retrofit is being designed to withstand a magnitude 8.3 earthquake centered on the San Andreas Fault. GOLDEN GATE, Calif. – The Golden Gate Bridge is preparing for the "Big One" as crews begin a billion-dollar seismic upgrade designed to limit damage and help keep the iconic crossing operational in the aftermath of a major earthquake.

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