SR 99 tunnel ‘safest place to be’ during earthquake

Q13 FOX News | 1/7/2019 | Simone Del Rosario
amyc9948 (Posted by) Level 3
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SEATTLE -- The double-deck Alaskan Way Viaduct spells disaster in the event of a massive earthquake in Seattle.

It's a warning that played out in real life in Oakland, Calif., 30 years ago. The Cyprus Street Viaduct Collapse killed 42 people during the Loma Prieta Earthquake.

Similarities - Viaduct - Seattle - Experts - Alarm

The stark similarities between that and our own viaduct in Seattle had experts sounding the alarm back then. Then in 2001, the Nisqually Earthquake hit at a 6.8 magnitude.

"In 2001, during the Nisqually quake, the Alaskan Way Viaduct was damaged on the north end of the Alaskan Way Viaduct," said tunnel expert Red Robinson. "The viaduct goes over the Great Northern railroad tunnel. The adjacent, almost underlying, Great Northern Tunnel that was built in 1905 suffered virtually no damage at all."

Tunnels - Surface - Earthquake

Tunnels, it turns out, are safer than the surface during an earthquake.

"A tunnel is in the ground and it's surrounded by...
(Excerpt) Read more at: Q13 FOX News
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