Seattle structural engineer John Hooper said similar quakes can happen anywhere a large number of people are moving in unison, Wholesale Shoes China Free Shipping but the difference in Seattle is that there were instruments nearby to record the quake and people were paying attention.
The same thing could happen next weekend in San Francisco, Cheap Football Jerseys China when the Seahawks play the Kanken Bag Sale NFC West-rival 49ers, Adidas Scarpe Nuove said Hooper, Nike Vapormax Plus Scontate director of earthquake engineering at Magnusson Klemencic Associates.