An analysis of seismicity at Mt. Hood, Oregon

Undergraduate Thesis Or Project

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Citeable URL: https://ir.library.oregonstate.edu/concern/undergraduate_thesis_or_projects/8s45qb48t

Descriptions

Attribute Name	Values
Creator	Currie, Michelle
Abstract	Mt. Hood, in north-central Oregon, has experienced 13 M ≥ 3.0 earthquakes since 1980. 1812 earthquakes that range in magnitude from -1.1 to 4.5 have been recorded in the region during the same time frame. This paper analyzes four of the larger earthquakes to provide moment tensor solutions and relocated depths. Moment tensor analysis reveals that the larger earthquakes are located on dominantly right-lateral, steeply dipping, normal faults that strike NW-SE. An analysis of the Mt. Hood earthquake catalog reveals a sinusoidal pattern to seismicity that repeats approximately every 8-10 years. This cyclical pattern persists when the data set is constrained to view only magnitude 1+ and 2+ events.
Resource Type	Research Paper
Date Available	2014-06-02T17:33:22+00:00
Date Issued	2014-06-02
Degree Level	Bachelor's
Degree Name	Bachelor of Science (B.S.)
Degree Field	Geosciences
Degree Grantor	Oregon State University
Commencement Year	2014
Advisor	Nabelek, John
Non-Academic Affiliation	Oregon State University. Undergraduate Research, Scholarship, and the Arts (URSA)
Rights Statement	Copyright Not Evaluated
Publisher	Oregon State University
Language	English [eng]
Replaces	http://hdl.handle.net/1957/48680

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