The Next Megaquake

Boxing Day, 2004. The world was shocked by one of the worst natural disasters of all time. Over two hundred and fifty thousand people died. The cause of this devastation was the most powerful kind of earthquake on the planet, called a megathrust. This event made us realise how poorly prepared we are to face these huge geological catastrophes. And scientists are now trying to work out where else is at risk. They have discovered that a megathrust as large as the Sumatra quake could hit North America.
Everyone knows that America is going to be struck by a devastating earthquake. For years the people of California have been waiting for the day when the San Andreas fault unleashes the big one. But all the time an even more powerful hazard has lain undiscovered. A giant megathrust earthquake, just like the one that hit Indonesia, threatens America's Pacific Northwest. A huge area from northern California all the way to Canada is at risk, including major cities like Seattle and Vancouver.
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