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首页> 外文期刊>Earth, planets and space: EPS >Measurement of the duration of high-frequency energy radiation and its application to determination of the magnitudes of large shallow earthquakes
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Measurement of the duration of high-frequency energy radiation and its application to determination of the magnitudes of large shallow earthquakes

机译：高频能量辐射持续时间的测量及其在确定大型浅层地震震级中的应用

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We have developed an algorithm to measure the duration of high-frequency energy radiation by processing the first arriving P -waves and then applied it to analyses of 69 large shallow earthquakes that occurred between 1995 and 2006. We compared our estimates to time differences between centroid and origin times in the Harvard CMT catalog and found that there was a good correlation between them, thereby suggesting that the measured durations are good estimates of source durations. We show that it is possible to determine magnitudes consistent with moment magnitudes in the Harvard CMT catalog using the durations of high-frequency energy radiation and maximum displacement amplitudes of the first arriving P -waves
机译：我们已经开发了一种算法，该算法通过处理第一个到达的P波来测量高频能量辐射的持续时间，然后将其应用于对1995年至2006年之间发生的69次大型浅层地震的分析。与哈佛大学CMT目录中的起源时间进行比较，发现它们之间存在良好的相关性，从而表明测得的持续时间是对源持续时间的良好估计。我们表明，使用高频能量辐射的持续时间和第一个到达的P波的最大位移幅度，可以确定与哈佛CMT目录中的矩量值相符的量值

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