Seismic testing being done for new Burnside Bridge project in Tom McCall Waterfront Park
The new bridge will be earthquake-ready, so crews are digging a 10-foot-wide, 125-foot-deep hole to see how concrete supports react during a simulated seismic event.
Crews dig deep hole in Waterfront Park to put new Burnside Bridge design to the test
Crews are finishing up digging a 125-foot hole to install a test foundation that they'll use to test the earthquake-resistant ...
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Undersea volcano off West Coast could erupt soon but should you prepare for a disaster?
One of the most active volcanoes in the world sits just a few hundred miles off the U.S. West Coast, and some scientists believe it’s only a matter of time before it erupts again – maybe even before ...