[1]LI Li,MENG Lingyuan,WU Haoyu,et al.Characteristics of Seismic Activity before the Medium-strong Earthquakes in the Bordering Region of Shanxi,Hebei and Inner Mongolia[J].Journal of Seismological Research,2022,45(04):581-591.[doi:10.20015/j.cnki.ISSN1000-0666.2022.0058]
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Characteristics of Seismic Activity before the Medium-strong Earthquakes in the Bordering Region of Shanxi,Hebei and Inner Mongolia
Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume:
45
Number of periods:
2022 04
Page number:
581-591
Column:
Public date:
2022-08-20
- Title:
- Characteristics of Seismic Activity before the Medium-strong Earthquakes in the Bordering Region of Shanxi,Hebei and Inner Mongolia
- Keywords:
- the bordering region of Shanxi; Hebei and Inner Mongolia; seismic gap; seismic band; significantly increased seismicity; significant earthquake; earthquake swarm
- CLC:
- P315.5
- DOI:
- 10.20015/j.cnki.ISSN1000-0666.2022.0058
- Abstract:
- The temporal and spatial evolution characteristics of seismic patterns before the MS≥5.5 earthquakes in the bordering region of Shanxi,Hebei and Inner Mongolia since 1970 are collated.The results show that before the MS≥5.5 earthquakes,the anomalies of seismic patterns such as seismic gaps,seismic bands,significantly increased seismicity,and significant earthquakes or earthquake swarms,are universal.The spatial evolution of anomalies basically occurs around the focal region or its vicinity,and these anomalies have some certain indicative significance for the prediction of time,space and magnitude of the main earthquake in future.The anomalies of seismic patterns evolve consistently before different earthquake cases,which is in line with the seismogenic solid model in heterogeneous media.Significant earthquakes or earthquake swarms basically occur in the late period of the anomalies of seismic patterns; this well indicates the time and place of the main earthquake in future.
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Last Update:
2022-08-01