A big quake rings the earth like a bell and can trigger little quakes halfway across the planet, said Tom Parsons, geophysicist at the U. s.

这项研究的作者之一、美国国家地质调查局的地球物理学家帕森斯说，发生一场大地震就像敲了一下铃铛一样，可以引发很远的地方发生小地震。

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Professional fliers like Randy Petersen of WebFlyer.com and Tom Parsons of BestFares say there's no reason not to scoop up great deals from JetBlue while the prices are low and the carrier is on its best behavior, following a service meltdown after a Valentine's Day storm.

NEWSWEEK: U.S.

Other top performers making appearances at this year's festival include Andy Parsons, Sean Lock, Tom Stade, and Marcus Brigstocke.

BBC: Line-up announced for 2013 Glasgow Comedy Festival