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NTIS 바로가기자원환경지질 = Economic and environmental geology, v.53 no.5, 2020년, pp.597 - 608
손유진 (경북대학교 자연과학대학 지질학과) , 최승찬 (경북대학교 자연과학대학 지질학과) , 유인창 (경북대학교 자연과학대학 지질학과)
Even after the Gyeongju earthquake and the Pohang earthquake, hundreds of aftershocks and micro-earthquakes are still occurring in the southeastern part of the Korean Peninsula. These phenomena mean that the stress is constantly working, implying that another huge earthquake may occur in the future....
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
한반도 남동부에 위치하는 여러 개의 퇴적분지는 어떻게 생겨났는가? | 한반도 남동부에 위치하는 여러 개의 퇴적분지는 신생대 동안 지구조 운동과 함께 발생한 다양한 지각변형 작용의 영향으로 생겨났다(Yoon and Chough, 1995; Ryu et al., 2006; Son et al. | |
심부 단층선 C2은 무엇으로 이루어져 있는가? | 심부 단층선 C1은 방향성과 위치가 연일구조선과 일치하는 것으로 보아, 연일구조선이 최대 약 4000m 깊이까지 이어져 있는 것으로 해석된다. 심부 단층선 C2는 여러 개의 분절된 단층들로 이루어져 있으며, 지표의 단층들과 잘 대비된다. 심부 단층선 C3, C4와 C5는 북서-남동 방향의 울산단층과 평행한 방향성을 가지는 것으로 분석되며, 초기 백악기에 남북 방향의 응력을 받아 형성되었으나 퇴적물에 덮여 지표에 드러나지 않는 것으로 판단된다. | |
한반도 남동부에서 응력이 계속 작용하고 있다는 것을 의미하는 현상으로 볼 수 있는 현상은? | 규모 5 이상의 경주지진과 포항지진이 발생한 이후에도 한반도 남동부에서는 여전히 수백 건의 여진과 미소 지진이 발생하고 있다. 이러한 현상은 응력이 계속 작용하고 있다는 것을 의미하며, 또 다른 큰 지진이 발생할 수도 있음을 암시한다. |
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