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Slow slip detectability in seafloor pressure records offshore Alaska
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2023
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Source: Journal of Geophysical Research: Solid Earth (2023)
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Journal Title:Journal of Geophysical Research: Solid Earth
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Description:In subduction zones worldwide, seafloor pressure data are used to observe tectonic deformation, particularly from megathrust earthquakes and slow slip events (SSEs). However, such measurements are also sensitive to oceanographic circulation-generated pressures over a range of frequencies that conflate with tectonic signals of interest. Using seafloor pressure and temperature data from the Alaska Amphibious Community Seismic Experiment, and sea surface height data from satellite altimetry, we evaluate the efficacy of various seasonal and oceanographic pressure signal proxy corrections and conduct synthetic tests to determine their impact on the timing and amplitude prediction of ramp-like signals typical of SSEs. We find
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Source:Journal of Geophysical Research: Solid Earth (2023)
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ISSN:2169-9313;2169-9356;
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Rights Information:Other
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Compliance:Library
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