For a typical earthquake record, if the duration of its stationary portion is rather short, such a record should be described in terms of a non-stationary random process.

对于一个典型的地震记录，如果地震平稳段持续时间较短，采用非平稳随机过程描述其地震动特性较为合理。

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Japanese buildings are highly engineered and most withstood the record earthquake - the tsunami it triggered was the bigger killer, our correspondent says.

我们的通讯记者说，日本的建筑是高度工程化的，并且最能抵抗有记录的地震——地震引发的海啸才是更大的杀手。

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The finding comes from an analysis of the seismic record from the lead-up to a devastating earthquake that hit Turkey in 1999.

此项发现源于对1999年土耳其破坏性大地震发生前的记录的分析。

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What is more, in extending the earthquake record beyond the written sources, archaeoseismology serves as a bridge between instrumental and historical seismology, on the one hand, and palaeoseismology and earthquake geology, on the other.

UNESCO: Tales set in Stone: learning from ancient earthquakes

Japanese buildings are highly engineered and most withstood the record earthquake - the tsunami it triggered was the bigger killer, our correspondent says.

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He said monitoring apparatus didn't record an earthquake and formation of magma, which usually precede an eruption.

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