Back-to-back earthquakes shake Southern California area, seismologists say. ‘Powerful’
Back-to-back earthquakes shook the Southern California area just minutes apart the morning of Monday, Feb. 10, the U.S. Geological Survey reported. First, a 3.5-magnitude earthquake, nearly 5 miles ...
The San Bernardino Sun1h
How some Southern California tunnels are still used, while others have vanished
Today, L.A. Metro’s subway tunnels connect some of the city’s most densely populated neighborhoods. There are many other ...