| 五大连池世界地质公园老黑山景区火山地震遗迹的发现及其意义 |
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| 引用本文：张向格,张绪教,刘超,王鹤,刘心兰,王璐琳.2022.五大连池世界地质公园老黑山景区火山地震遗迹的发现及其意义[J].地球学报,43(1):111-122. |
| DOI：10.3975/cagsb.2021.122701 |
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| 基金项目:黑龙江省生态地质调查研究院重要地质遗迹保护项目(编号: 2017-564) |
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| 中文摘要:五大连池世界地质公园的老黑山、火烧山是我国有详实史料记载的喷发时间最新的活火山, 公元1720—1721年喷发距今已300年。火山地震与火山喷发关系密切, 但在熔岩台地上较难区分熔岩流动造成的岩石变形与地震造成的构造变形。前人利用地震台网记录和史料记载, 对老黑山和火烧山地震的活动特征、火山喷发与地震的关系做过大量研究, 但迄今尚无火山地震造成的构造变形的发现与研究报道。在老黑山景区开展1: 2000大比例尺地质遗迹调查时, 新发现了地表破裂、地震鼓包、挤压脊以及熔岩塌陷和滑坡等较为典型的变形遗迹, 通过对这些变形特征的研究, 尤其是与喷发熔岩在流动过程中造成的熔岩塑性变形的区分, 并与其它地区典型地震遗迹对比, 判断这些变形遗迹应为火山地震所致, 是300年前老黑山和火烧山火山地震的直接地质证据。老黑山景区火山地震遗迹的新发现弥补了五大连池世界地质公园地震地质遗迹的空白, 其成因的分析和时代的初步判断, 不仅对该地区地震活动规律的进一步研究具有重要的参考价值, 同时也为国内其它火山地质公园内火山地震遗迹的调查及研究提供了借鉴。 |
| 中文关键词:火山地震 地质遗迹 世界地质公园 五大连池 老黑山 |
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| Discovery and Significance of Volcanic Earthquake Geoheritage of Laoheishan Scenic Area in Wudalianchi Global Geopark |
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| Abstract:Laoheishan and Huoshaoshan in Wudalianchi Global Geopark in China are the latest active volcanoes with detailed historical records that erupted in 1720–1721 AD (300 years ago). It is difficult to distinguish between rock deformation caused by lava flow and structural deformation caused by the shaking due to earthquakes on lava platforms, although volcanic earthquakes are closely related to volcanic eruptions. Extensive research has been performed on volcanic eruptions and earthquakes in Laoheishan and Huoshaoshan by using seismic network records and historical materials, but there is no discovery and report on tectonic deformation caused by volcanic earthquakes. During the 1:2000 large-scale surveys of geoheritage in the Laoheishan Scenic Area, more typical structural deformation relics, such as ground cracks, earthquake mole track, extrusion ridges, lava collapse, and landslide were newly discovered. These deformations should be volcanic earthquake geoheritage based on their distinction from the lava plastic deformation and the comparison with typical earthquake geoheritage in other regions. They prove that earthquakes have occurred during the eruption of the Laoheishan volcano 300 years ago. The discovery of volcanic earthquake geoheritage has filled the blank in the earthquake geoheritage of Wudalianchi Global Geopark, and the analysis of this genesis and time has an important reference value for further studies on the rules of seismic activity. Furthermore, it can be a reference for the field investigation and research on volcanic seismic geoheritage in other volcanic geoparks in China. |
| keywords:volcanic earthquake geoheritage Global Geopark Wudalianchi Laoheishan |
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