Ấn phẩm:
The present strain rate of Quang Nam - Quang Ngai and the surrounding region
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Tóm tắt
Studying the present strain rate is significant in determining the characteristics and origin of geological anomalies in the region. Tectonic strain occurs under the influence of various factors, especially tectonic forces, and only a few cases of deformation occur at speeds observable by humans. This research uses velocity data from GNSS measurements in Quang Nam - Quang Ngai and surrounding regions to assess present tectonic strain. The combination of methods used in this study includes calculating the ITRF Earth-fixed frame to minimize errors, the method of relative velocity calculation to compare the speed variations between station positions, and the deformation calculation method using the QOCA software developed by NASA's Jet Propulsion Laboratory (JPL). The calculated results show that the coastal areas of the study have relatively low strain rates with the principal strain rate <15 nano-strain/year, the magnitude of deformation is always less than 7.5 nano-strain/year, and the area is conducive to the development of dominant reverse faulting.
Mô tả
Vietnam Journal of Earth Sciences, Vol. 46, No. 3
Tác giả
Bui, Nhi Thanh
Tran, Van Phong
Nguyen, Van Diep
Phan, Trong Trinh
Người hướng dẫn
Nơi xuất bản
Nhà xuất bản
Viện Địa chất, Viện Hàn lâm Khoa học và Công nghệ Việt Nam
Năm xuất bản
2024-06
ISSN tạp chí
Nhan đề tập
Từ khóa chủ đề
Present strain rate , Tectonic , GNSS
URI
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Tệp tin
Bui Nhi Thanh, Tran Van Phong, Nguyen Van Diep, Phan Trong Trinh.pdf
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