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首页> 外文期刊>Seismological Research Letters >Five Years after the 2002 Denali Fault Earthquake Sequence: A Regional Network Operator's Perspective
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Five Years after the 2002 Denali Fault Earthquake Sequence: A Regional Network Operator's Perspective

机译：2002年Denali断层地震序列发生五年后：区域网络运营商的观点

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摘要

We have passed the fifth anniversary of the 2002 Denali fault, Alaska, earthquake sequence. At this point it is worthwhile to look back and reflect on our experience with the event at the Alaska Earthquake Information Center (AEIC). The earthquake sequence started with the magnitude 6.7 earthquake on 23 October 2002. While no surface rupture was found during the aerial survey of the epicentral area, it very quickly became clear that this earthquake ruptured one of the most significant tectonic features in Alaska, the Denali fault (figure 1). While this event was widely felt throughout central Alaska, it did not cause significant damage. Following this event, AEIC installed a network of temporary seismometers to monitor the aftershock activity. This was a fortuitous action because a much larger earthquake, of magnitude 7.9, initiated just east of the mag nitude 6.7 event 10 days later on 3 November 2002. The temporary instruments provided valuable near-field recordings of the mainshock and of the early aftershocks.
机译：我们已经度过了2002年阿拉斯加Denali断层地震序列的五周年纪念日。在这一点上，值得在阿拉斯加地震信息中心（AEIC）上回顾和反思我们的活动经验。地震序列始于2002年10月23日的6.7级地震。尽管在对震中区域进行空中勘测时未发现表面破裂，但很快就清楚地知道，该地震破裂了阿拉斯加的Denali最重要的构造特征之一。故障（图1）。尽管整个阿拉斯加中部普遍感到该事件，但并未造成重大损失。这次事件之后，AEIC安装了一个临时地震仪网络来监视余震活动。这是一次偶然的动作，因为在2002年11月3日的10天后，在6.7级地震以东发生了一场更大的7.9级地震。这些临时仪器提供了重要的近场记录，记录了主震和余震。

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