Heather Bryant

Coast Guard relaxes certification standards for oil spill containment barge

The Coast Guard is relaxing certification standards for Shell’s oil spill containment barge. The company convinced regulators the Arctic Challenger should be considered a mobile unit. Among other things, that means its mooring system only needs to be able to weather a 10-year storm, as opposed to the more rigorous 100-year standard for fixed platforms.

Engineers study 2011 Japanese earthquake to prepare Northwest for the Big One

Two major earthquakes last year raised red flags for seismically-active parts of North America. Some of the damage in Japan and New Zealand resulted from a phenomenon called liquefaction, which turns the ground turns into Jell-O-like quicksand. Transmission towers topple, buildings sink and utility pipes break. Now, geologists in the Pacific Northwest have mapped the…

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