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首页> 外文期刊>Seismological research letters >Description and Analysis of the Earthquake Damage in the Quebec City Region between 1608 and 2008
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Description and Analysis of the Earthquake Damage in the Quebec City Region between 1608 and 2008

机译：1608年至2008年魁北克市地区地震破坏的描述和分析

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摘要

Quebec City is rated sixth for earthquake risk among Canadian cities but ranks first or second in terms of earthquake damage over the course of its 400-year history. The examples of earthquake damage in the Quebec City region between 1608 and 2008 were collected in a single database. For each significant earthquake, the database provides the description of damage together with the geographic position, the corresponding intensity on the Modified Mercalli Intensity (MMI) scale, and the supporting document. Historically, Quebec City was subject to several moderate to strong earthquakes with epicenters in the Charlevoix seismic zone (80–180 km epicentral distance) in 1663, 1791, 1860, 1870, and 1925; and in the Saguenay region (150 km epicentral distance) in 1988. M ~ 5 earthquakes at shorter epicentral distances were also felt but caused only minor damage. These facts bring to light that certain wards, mostly located in the lower part of the city, are more likely to sustain higher levels of ground motion in future moderate to strong earthquakes. This information correlates fairly well with known near-surface shear-wave velocities, natural periods, and geotechnical properties. Knowledge of these more-hazardous areas is important for land-use planning and emergency preparedness.
机译：魁北克市在地震风险方面名列加拿大城市第六名，但在其400年的历史上，其地震损失排名第一或第二。在一个数据库中收集了1608年至2008年魁北克市地区地震破坏的实例。对于每次重大地震，数据库都会提供损坏的描述以及地理位置，修正的梅尔凯里强度（MMI）等级上的相应强度以及支持文件。从历史上看，魁北克市在1663年，1791年，1860年，1870年和1925年在夏洛瓦地震带（震中距离为80-180公里）遭受了几次中至强地震。 1988年在萨格奈地区（震中距离为150公里）。震中距离较近的M〜5地震也引起了，但仅造成了较小的破坏。这些事实表明，某些病房（主要位于城市的下部）在未来的中度至强烈地震中更有可能维持较高水平的地面运动。该信息与已知的近地表剪切波速度，自然周期和岩土特性非常相关。了解这些更加危险的地区对于土地使用规划和应急准备很重要。

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