尼日利亚地震台网的仪器设备

Q4 Earth and Planetary Sciences
地震 Pub Date : 2024-05-07 DOI:10.59429/ear.v2i1.1884
Ayodeji Adekunle Eluyemi
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引用次数: 0

摘要

"生活在尼日利亚最大地震的恐惧中 "是尼日利亚《Punch》日报 2016 年 8 月 21 日的一个小标题,该报报道了尼日利亚西南部古镇萨基最近发生的地震/剧震,并伴随着持续了大约三(3)个月(2016 年 3 月/5 月)的一系列余震事件[1]。同样,大约五(5)年后,萨基镇再次发生了一系列地震/余震,一家名为 "Ripples Nigeria "的在线新闻供应商于 2021 年 9 月 8 日以 "奥约州萨基地震 "为小标题进行了报道[2]。然而,尼日利亚的任何功能地震台站都没有捕捉或记录这些事件。位于奥巴费米-阿沃洛沃大学(OAU)Ile-Ife 的最近地震台也未能捕捉到这些事件。因此,我们试图检查尼日利亚国家地震台网的仪器设备。这对于了解每个地震台站所部署的地震仪的功能和能力十分必要。因此,我们通过计算幅频响应曲线、相位响应曲线和厘米/秒计数,评估了尼日利亚各地震 台的地震波频率带通限制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Instrumentation of the Nigeria network of seismological stations
“Living in fear of Nigeria biggest Earthquake” is a sub-heading of the Punch daily newspaper of Nigeria, dated, 21st of August, 2016, reported the earthquake/tremor recently witnessed in the ancient town of Saki, accompanied by a series of aftershock events that lasted for about three (3) months (March/May, 2016) southwest Nigeria[1]. Similarly, roughly five (5) years later, another series of earthquakes/tremors occurred again in Saki town, which was reported by an online news vendor named “Ripples Nigeria” dated September 8, 2021, under the sub-heading of “earth tremor rocks Saki in Oyo state”[2]. However, these events were not captured nor recorded by any of the functional seismological stations in Nigeria. The nearest seismological station located at the Obafemi Awolowo University (OAU) Ile-Ife, also failed to capture the events. We therefore seek to examine the instrumentation of the Nigerian National Network of Seismographic Stations. This is necessary to understand the functionalities and the capabilities of the deployed seismometers in each of the seismic stations. Therefore, we evaluated the bandpass limit of the seismic wave frequency for the respective seismic stations in Nigeria through the computation of the amplitude-frequency response curve, phase response curve, and count to cm/sec.
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来源期刊
地震
地震 Earth and Planetary Sciences-Geophysics
CiteScore
0.60
自引率
0.00%
发文量
3214
期刊介绍: Earthquake is a comprehensive academic journal hosted by the China Earthquake Network Centre (CENC) and edited by Mr. Wang Haitao, Director of CENC and a senior researcher. The purpose of the journal is to exchange research results on earthquake observation, earthquake precursors and strong earthquake mechanism and prediction, and to promote the exploration and research on earthquake forecasting and the application of its results in earthquake prevention and disaster reduction. The readers are mainly earthquake scientists and technicians engaged in the research of earthquake observation and analysis, earthquake precursor exploration, earthquake mechanism and prediction, as well as scientists and technicians in related scientific and technological fields. Inclusion: The Chinese core periodicals in the general list of the core periodicals Chinese Science Citation Database (CSCD) Source Journals Scopus (Netherlands) Source Journals Japan Science and Technology Literature Database (JST) source journals
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