Twenty-nine towers, parking structures and elevated berms may be built on the Washington coast as emergency sites where people could ride out a tsunami.
The "vertical elevation" sites would be able to withstand a 30-foot wave and would be available to residents and tourists with a 30-minute warning.
Ten years ago today, the Puget Sound region was rocked by a powerful earthquake. The magnitude 6.8 quake brought down brick facades, damaged Seattle’s waterfront viaduct and split the Capitol dome in Olympia. The ground shook for about 45 seconds and tremors were felt as far away as Salt Lake City.
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