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首页> 外文期刊>Bulletin of the International Institute of Seismology and Earthquake Engineering >RELOCATION OF THE MACHAZE AND LACERDA EARTHQUAKES IN MOZAMBIQUE AND THE RUPTURE PROCESS OF THE 2006 Mw7.0 MACHAZE EARTHQUAKE
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RELOCATION OF THE MACHAZE AND LACERDA EARTHQUAKES IN MOZAMBIQUE AND THE RUPTURE PROCESS OF THE 2006 Mw7.0 MACHAZE EARTHQUAKE

机译：莫桑比克MACHAZE和LACERDA地震与2006年Mw7.0 MACHZE地震破裂过程的关系。

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摘要

In the present study, the 2006 Machaze earthquake (Mw7.0) and the 2006 Lacerda earthquake (Mw5.6) inMozambique are relocated. The main purpose of the relocation is to determine fault planes related tothose earthquakes. The result of the relocation of the Machaze earthquake indicates that the strike and dipof the fault plane is about 172° and 65° westward, respectively, and it represents a normal faulting.Analysis of the Lacerda cluster suggests that this is an earthquake swarm. The fault plane correspondingto the biggest event presents a strike and dip of about 350° and 40°, respectively, dipping to the east. Therupture process of the Machaze earthquake is also determined in the present study. The result of the slipinversion shows that two asperities characterize the Machaze earthquake. The maximum slip is 3.4 mlocated in the south asperity near the initial break point and the asperity in the north of the initial breakpoint has a slip of about 2.5 m. The last asperity is located at surface and generated the most prominentoffset observed at the surface. The aftershocks are located near the two asperities. Both analyses show asize of the fault plane corresponding to the mainshock about 50 km in length.
机译：在本研究中，莫桑比克的2006年Machaze地震（Mw7.0）和2006年Lacerda地震（Mw5.6）被重新安置。搬迁的主要目的是确定与地震有关的断层。 Machaze地震的迁移结果表明，断层平面的走向和倾角分别向西约172°和65°，代表着正常的断层。对Lacerda团簇的分析表明这是一个地震群。对应于最大事件的断层平面呈现出大约350°和40°的走向和倾角，向东倾角。在本研究中还确定了Machaze地震的破裂过程。滑移反演的结果表明，Machaze地震具有两个粗糙特征。最大滑移位于靠近初始断裂点的南部凹凸不平处3.4处，初始断裂点北侧的凹凸不平处约2.5 m。最后的凹凸位于表面，并在表面观察到最明显的偏移。余震位于两个起伏附近。两种分析都显示出与主震相对应的断层平面大小，长度约为50 km。

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