Earthquake Risks have Evolved since Northridge
Cellphone and Wi-Fi communications have proliferated since the 1994 disaster and raise new seismic safety concerns.
By Hector Becerra
January 15, 2014, 7:22 p.m.
In the 20 years since the Northridge earthquake, the state's freeway bridges have been strengthened. A new generation of hospitals, schools and university buildings designed to better withstand a massive quake has risen.
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