Share

Videos

California Earthquake: No Early Warning System

The Wall Street Journal
|
August 25, 2014 AT 1:57 AM
Napa residents weren’t warned of the recent 6.0-magnitude earthquake because the state doesn't have an early warning system like ones found in Japan and Chile. The WSJ's Deborah Kan speaks to David Oppenheimer of the U.S. Geological Survey about the latest quake to strike the San Francisco Bay Area.