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| Bulletin of British earthquakes 2017 | |
| 出版日期 | 2018 |
| 出版者 | British Geological Survey |
| 英文摘要 | The British Geological Survey's (BGS) Seismic Monitoring and Information Service operates a nationwide network of seismograph stations in the United Kingdom (UK). Earthquakes in the UK and coastal waters are detected within limits dependent on the distribution of seismograph stations. Location accuracy is improved in offshore areas through data exchange with neighbouring countries. This bulletin contains locations, magnitudes and phase data for all earthquakes detected and located by the BGS during 2017, listed in Tables 1 and 2. Maps showing seismic activity in 2017 (Figure 1), and the larger magnitude events since 1979 (ML> 2.5) and since 1970 (ML> 3.5) are also included. The bulletin covers all of the UK land mass and its coastal waters including the North Sea (11oW to 6oE and 48oN to 64oN). All events believed to be of tectonic origin are included. Coalfield events are also included. Acoustic disturbances, such as sonic booms from supersonic aircraft, are included when they are felt. The airborne waves are readily identified by their slow travel time across an array but they are frequently mistaken as small earthquakes by the public. They are indicated by 'SONIC' in the locality column of Table 1. Significant non-natural events, such as explosions, which received media attention or were greater than magnitude 2.5 ML or felt by local residents, are also included in Table 1. Smaller events that are known, or suspected to be of explosive origin are excluded from the bulletin where possible. These include explosions due to quarrying, mining, weapon testing or disposal, naval exercises, geophysical prospecting and civil engineering. Unfortunately, identification by record character, location and time of occurrence is not always conclusive and some man-made events may be included in the bulletin or, more rarely, a small natural event may have been excluded. |
| URL | http://nora.nerc.ac.uk/id/eprint/520191/1/OR18015.pdf |
| 国家 | 英国 |
| 语种 | 英语 |
| 来源机构 | 英国自然环境研究理事会 |
| 文献类型 | 科技报告 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/86379 |
| 推荐引用方式 GB/T 7714 | . Bulletin of British earthquakes 2017:British Geological Survey,2018. |
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| 文件名称/大小 | 资源类型 | 版本类型 | 开放类型 | 使用许可 | ||
| 520191.pdf（5228KB） | 科技报告 | 开放获取 | CC BY-NC-SA | 浏览 下载 | ||
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