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Characterizing Subsurface Structure of Two Contrasting Sites in the Main Ethiopian Rift
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
2019 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The Main Ethiopian Rift is a part of the East African Rift, from where the African plate is being teared apart and separated from the Indian and the Arabian plate. Even though earthquakes in this area are relatively less frequent, the subsurface structure is a subject of big research interest, since information about the subsurface layers has considerable relevance when it comes to site amplication related to earthquakes.

The aim of this project is to map and compare the subsurface structures of two sites located in the Ethiopian Rift, using seismic refraction technique. By looking at the first arrivals of artificial seismic waves on a designated site, the velocities as well as the thicknessof the subsurface layers can be obtained. The result showed that the both sites contained a low velocity structure which contained weathered material.

Place, publisher, year, edition, pages
2019. , p. 18
Keywords [en]
Ethiopia, Main Ethiopian Rift, seismic refraction, subsurface structure
National Category
Geophysics
Identifiers
URN: urn:nbn:se:uu:diva-396851OAI: oai:DiVA.org:uu-396851DiVA, id: diva2:1369362
Subject / course
Geophysics
Educational program
Bachelor Programme in Physics
Supervisors
Available from: 2019-11-26 Created: 2019-11-11 Last updated: 2019-11-26Bibliographically approved

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