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Geophysical Institute
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At the Geophysical Institute the diversity of our research focus is reflected by our disciplinary-based, functional groupings of faculty and research staff. These divisions are: space physics and aeronomy, atmospheric sciences, snow, ice, and permafrost, seismology, volcanology, and tectonics and sedimentation. Along with an ubiquitous, cross-discipline remote sensing group, these research divisions reflect the range and diversity of the active scientific research projects which reach from the center of the sun to the center of the earth and beyond.
Sub-communities within this community
Recent Submissions
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(2018-05-03)We determine moment tensor solutions for 53 earthquakes in southern Alaska, which include 9 in Beluga, 22 in Cook Inlet, and 22 in Susitna. The moment tensors were estimated using both the waveforms and the first-motion ...
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(2018-05-02)We provide results from an analysis of 14 historical earthquakes in the region of Cook Inlet and Susitna, south-central Alaska. Using global arrival times of P and S waves, we estimate probabilistic hypocenters using the ...
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(2018-04-04)Using seismic waveform data, we determine seismic moment tensor solutions for six events in the Minto Flats fault zone, 2012-2016.
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(2011-04-01)
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(2017-12-01)Using seismic waveform data, we determine seismic moment tensor solutions for 12 earthquakes and 17 nuclear explosions at the Nevada Test Site, 3 cavity collapse events, 63 events at Uturuncu volcano (Bolivia), and 21 ...
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(2017-10-27)We present waveform record sections of 10 earthquakes in the Minto Flats fault zone in central Alaska. These include the largest earthquakes to have occurred within the Minto Flats fault zone since the installation of the ...
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(2017-01-30)The files in this collection are a supplement to Tape and Tape (2017). Here we provide precomputed curves Vhat_gamma(omega), where Vhat_gamma(omega) is defined as in Section 2.4 of Tape and Tape (2017). The motivation for ...
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(2016-06-03)This report documents a search of primary sources from 1904 to identify felt reports of the 1904-08-27 earthquake in central Alaska. The objective is to use the felt reports to get a better idea for where the earthquake occurred.
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(2016-11-14)This technical report documents the occurrence of a "step-response signal" on seismic stations in Alaska. The unwanted signal occurs both during earthquakes and independent of earthquakes. The cause of the signal is unknown ...
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(2016-11-03)I perform two analyses to identify cases of seismogram clipping or other problems (e.g., data gaps) for the 2016-01-24 Mw 7.1 Iniskin, Alaska, earthquake. The first analysis is a comparison of synthetic and observed ...
