地震工程学报2018，Vol.40Issue(1)：130-138,9.DOI:10.3969/j.issn.1000-0844.2018.01.130
天津港"8·12"爆炸事件记录波形分析
Analysis of Recorded Waveform During the 8·1 2 Explosion Incident in Tianj in Harbor
王晨辰 1张盛中 1杨晓瑜 1张冰 1李世鑫 1刘敏1
作者信息
- 1. "地下信息探测技术与仪器"教育部重点实验室,中国地质大学(北京),北京100083
- 折叠
摘要
Abstract
This study conducts a preliminary analysis of waveform data from a series of explosive events that occurred in Tianjin harbor on August 12,2015,which were recorded by 23 short-period seismometers of the China Seismograph Network in Tianjin.Four explosive events were identified using the envelope method and wave matching method,and their locations were deter-mined by applying the master event location algorithm.Analysis results show that the first explo-sion occurred at 23:34:04 on August 12,2015,and a larger blast then occurred after 1.77 s.The third event was the largest and occurred 34.11 s after the first event,and the last explosion occurred 86.33 s after the first.The second and third explosions occurred 65~70 m apart,and the second explosion was 160~170 m from the fourth.This paper also compares waveform data of explosions,mine collapse,nuclear explosion,and a natural earthquake in the time and frequency domains,respectively,and results show that there are strong differences between the seismic phase characteristics of these events.关键词
爆炸/波形互相关/时间域/频率域Key words
explosion/waveform cross-correlation/time domain/frequency domain分类
天文与地球科学引用本文复制引用
王晨辰,张盛中,杨晓瑜,张冰,李世鑫,刘敏..天津港"8·12"爆炸事件记录波形分析[J].地震工程学报,2018,40(1):130-138,9.
