Tephrochronological dating of paleoearthquakes in active volcanic arcs: A case of the Eastern Volcanic Front on the Kamchatka Peninsula (northwest Pacific)

Zelenin Egor; Kozhurin Andrey; Ponomareva Vera; Portnyagin Maxim

摘要

Abstract > Investigation of active faults is crucial for the seismic hazard assessment and, in the case of volcanic belts, it provides a deeper understanding of the interactions between volcanism and tectonic faulting. In this study, we report the results of the first paleoseismological and tephrochronological investigation undertaken on Holocene faulting in Kamchatka's volcanic belts. The studied trenches and additional excavations are located along the axial fault zone of the Eastern Volcanic Front, where the earlier dated tephra layers provide a robust age control of the faulting events. Electron microprobe analysis of glass from 22 tephra samples permitted correlations among the disparate tephra profiles for constructing a summary tephra sequence. The latter, together with published geochronological data, allowed the construction of a Bayesian age model. Detailed examination of the tephra layers deformed by faulting allowed us to reconstruct and date six faulting events with the offsets of 1 to 20 cm indicating paleoearthquakes with magnitudes of M <sub>w</sub> 5.4. Holocene crustal seismicity of the Eastern Volcanic Front manifests temporal clustering rather than a uniform flux of events. However, no correlation between dated seismic events and the largest Holocene eruptions of proximal volcanoes was observed. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> > 积极故障的调查对于地震危害评估至关重要，并且在火山腰带的情况下，它提供了更深入地了解Volcanism和构造断层之间的相互作用。在这项研究中，我们报告了在堪察加火山海绵中全新型断层上进行的第一次古摆力和头部调查的结果。研究的沟槽和额外的挖掘位于东部火山前面的轴向断层区域，早期日期的Tephra层提供了对故障事件的强大年龄控制。来自22个Tephra样品的玻璃的电子微探测分析允许不同的Tephra型材之间的相关性，用于构建摘要Tephra序列。后者，与发表的地理学数据一起允许建造贝叶斯时代模型。通过断层变形的Tephra层的详细检查使我们能够重建和日期，其中六个断层事件是1至20cm的偏移，表示古老地震，占地面积为m <sub> w </ sub> ＆ 5.4。全新的火山前面的地壳地震性表现出时间聚类而不是统一的事件通量。然而，观察到日期的地震事件与近端火山的最大全新世爆发之间没有相关性。 </ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-35770/'>《Journal of quaternary science: JQS》</a> <b style="margin: 0 2px;">|</b><span>2020年第2期</span><b style="margin: 0 2px;">|</b><span>共13页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zelenin Egor&option=202" target="_blank" rel="nofollow">Zelenin Egor;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Kozhurin Andrey&option=202" target="_blank" rel="nofollow">Kozhurin Andrey;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ponomareva Vera&option=202" target="_blank" rel="nofollow">Ponomareva Vera;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Portnyagin Maxim&option=202" target="_blank" rel="nofollow">Portnyagin Maxim;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Geological InstituteMoscow Russia;</p> <p>Geological InstituteMoscow Russia;</p> <p>Institute of Volcanology and SeismologyPetropavlovsk‐Kamchatsky Russia;</p> <p>GEOMAR Helmholtz Centre for Ocean Research KielKiel Germany;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/27341.html" title="第四纪（系）">第四纪（系）;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=paleoseismology&option=203" rel="nofollow">paleoseismology;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=trenching&option=203" rel="nofollow">trenching;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=tephra&option=203" rel="nofollow">tephra;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=geochemical fingerprinting&option=203" rel="nofollow">geochemical fingerprinting;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=age modelling&option=203" rel="nofollow">age modelling;</a> </p> <div class="translation"> 机译：古摆力;挖沟;Tephra;地球化学指纹识别;年龄造型; 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href="/conference-cn-4226/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 全国第七次火山学术研讨会 </a> <span> <span> . 2013</span> </span> </div> </li> <li> <div> <b>7. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/02031191050.html">松辽盆地东部深层火山岩地震响应正演特征研究</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=李素华&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 李素华</a> <span> . 2007</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/06120108191135.html">火山岩中活性SiO</a> <b>[P]</b> . <span> 中国专利： CN105699406A </span> <span> . 2016-06-22</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120108231533.html">火山岩中活性Al</a> <b>[P]</b> . <span> 中国专利： CN105738390A </span> <span> . 2016-07-06</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130499740750.html">Dating of volcanic eruptions</a> <b>[P]</b> . <span> 外国专利：  RU2019131500A </span> <span> . 2021-04-07</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：火山爆发的约会 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130426880007.html">METHOD OF THE SURFACE, durable water resistant layer at the front surface of the parts building material of lime and volcanic tuff</a> <b>[P]</b> . <span> 外国专利：  RU2009108869A </span> <span> . 2010-09-20</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：表面方法，石灰和火山凝灰岩零件建筑材料前表面的耐用防水层 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130404869498.html">New materials using the volcanic ash of active volcanoes</a> <b>[P]</b> . <span> 外国专利：  JP6541191B2 </span> <span> . 2019-07-10</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：使用活性火山灰的新材料 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" style="overflow: auto;display:none"> <h3 class="all_title" id="enpatent55">相关主题</h3> <ul id="subject"> </ul> </div> </div> </div> </div> <div class="right rightcon"> <div class="details_img cardcommon clearfix" style="margin-bottom: 10px;display:none;" > </div> </div> </div> <div id="thesis_get_original1" class="downloadBth" style="bottom: 19px;z-index: 999;" onclick="ywcd('0704025842241','4',7,2,1,'',this,24)" class="delivery" prompt="010401" title="通过人工服务将文献原文发送至邮箱" >获取原文</div> <div class="journalsub-pop-up" style="display: none"> <div class="journal-sub"> <h2>期刊订阅</h2> <img src="https://cdn.zhangqiaokeyan.com/img/loginclose.png" 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