Eerily, just a few hours after people around the country observed the passage of one month with a moment of silence, a series of strong aftershocks struck central and northern Japan.

可怕的是，仅仅一小段时间的沉寂之后的这一个月来，日本的中部和北部不断受到强劲的余震的冲击。

youdao

There were aftershocks throughout the day including a powerful tremor at about 5.30pm local time.

之后一天都余震不断，最强烈的一次余震发生在当地时间下午5：30。

youdao

There was a dull, deep crack from underground – the latest in a long sequence of aftershocks that continued throughout the day and into the evening.

从地下传来沉闷的开裂声，最近一直余震不断。

youdao

Tuesday's quake has been followed by a series of aftershocks, which Stuart Sipkin of the U.S.Geological Survey says are pretty typical.

VOA: standard.2010.01.13

She said people are in a state of shock, waiting for something to happen and still fearing aftershocks.

VOA: standard.2010.01.14

The Marshall Field Jr. shooting was a seismic boom with aftershocks that rattled the Everleigh Club.

NPR: Elevating the World's Oldest Profession in Chicago

Scores of aftershocks - the strongest measuring a magnitude of 5.4 - struck within an hour, and they continued into Wednesday morning.

BBC: Iran: Dozens of aftershocks follow deadly earthquake

Chile endured two more strong aftershocks Friday -- the first a 6.0-magnitude earthquake and the other 6.6.

CNN: Telethon raises money for Chile earthquake victims