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Alaska Amphibious Community Seismic Experiment

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Journal Article
Published: 29 November 2022
Seismological Research Letters (2023) 94 (1): 522–530.
...Natalia A. Ruppert; Grace Barcheck; Geoffrey A. Abers Abstract The Alaska Amphibious Community Seismic Experiment (AACSE) comprised 75 ocean‐bottom seismometers and 30 land stations and covered about 650 km along the segment of the subduction zone that includes Kodiak Island, the Alaska Peninsula...
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Journal Article
Published: 19 August 2020
Seismological Research Letters (2020) 91 (6): 3054–3063.
...; Lindsay L. Worthington Abstract The Alaska Amphibious Community Seismic Experiment (AACSE) is a shoreline‐crossing passive‐ and active‐source seismic experiment that took place from May 2018 through August 2019 along an ∼ 700 km long section of the Aleutian subduction zone spanning Kodiak Island...
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The <span class="search-highlight">Alaska</span> <span class="search-highlight">Amphibious</span> <span class="search-highlight">Community</span> <span class="search-highlight">Seismic</span> <span class="search-highlight">Experiment</span> (AACSE) broadband array....
Published: 19 August 2020
Figure 1. The Alaska Amphibious Community Seismic Experiment (AACSE) broadband array. Symbols corresponding to different instrument types are shown in the legend. Gray dashed lines outline rupture areas of historical earthquakes ( Davies et al. , 1981 ). Black boxes indicate extents of Figures
Journal Article
Published: 23 September 2020
Seismological Research Letters (2020) 91 (6): 3106–3119.
... of the Alaska Amphibious Community Seismic Experiment. The first model primarily covers south‐central Alaska and uses body‐wave arrival times with Rayleigh‐wave group‐velocity maps accounting for their period‐dependent lateral sensitivity. The second model results from direct inversion of body‐wave arrival...
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Monthly breakdown by new, old, and total of (a) analyzed <span class="search-highlight">seismic</span> events and...
Published: 29 November 2022
Figure 1. Monthly breakdown by new, old, and total of (a) analyzed seismic events and (b) picked seismic phases in the Alaska Amphibious Community Seismic Experiment (AACSE) earthquake catalog.
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<span class="search-highlight">Alaska</span>-Aleutian arc volcanic sample locations plotted as red cross symbols....
Published: 29 March 2019
Amphibious Community Seismic Experiment (AACSE) in progress for A.D. 2018–2019. Gray lines labeled as lines 1, 2, and 3 reference locations of cross sections depicted elsewhere ( Figs. 1 , 13 , 16 ). Sample distribution curve is shown along the bottom of the map in kernel density function form. Map
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Station-averaged shear-wave splitting at <span class="search-highlight">Alaska</span> <span class="search-highlight">Amphibious</span> <span class="search-highlight">Community</span> Seismi...
Published: 03 June 2021
Figure 1. Station-averaged shear-wave splitting at Alaska Amphibious Community Seismic Experiment (AACSE) ocean-bottom seismometer (OBS; squares) and land (triangles) stations. Fast splitting directions are shown as black bars, and delay times are denoted by the color of stations. Stations
Journal Article
Published: 23 September 2020
Seismological Research Letters (2020) 91 (6): 3015–3016.
..., and evolution of the North American continent, along with observations of geohazards. This large‐scale scientific experiment also inspired another simultaneous effort, the Alaska Amphibious Community Seismic Experiment (AACSE), and is complemented by numerous seismic and nonseismic field efforts...
Journal Article
Journal: Geology
Published: 03 June 2021
Geology (2021) 49 (9): 1122–1125.
...Figure 1. Station-averaged shear-wave splitting at Alaska Amphibious Community Seismic Experiment (AACSE) ocean-bottom seismometer (OBS; squares) and land (triangles) stations. Fast splitting directions are shown as black bars, and delay times are denoted by the color of stations. Stations...
FIGURES
Journal Article
Published: 01 September 2021
Seismological Research Letters (2022) 93 (1): 257–267.
... of the Alaska Amphibious Community Seismic Experiment (AACSE) ( Barcheck et al. , 2020 ), where, this is a physical station the water depth is 1284 m. The station was equipped with a Güralp CMG 3T broadband seismometer and a Scripps Institution of Oceanography differential pressure gauge, and the recording...
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Journal Article
Published: 03 November 2023
Seismological Research Letters (2024) 95 (2A): 834–847.
... the Alaska Amphibious Community Seismic Experiment. They found that, compared with their manually compiled catalog, EQTransformer missed 41% of P waves and 37% of S waves, with model performance deteriorating with increasing earthquake epicentral distance. Applying these land‐based models to OBS data...
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Journal Article
Journal: Geosphere
Published: 12 July 2022
Geosphere (2022) 18 (5): 1474–1491.
..., and a sparker profile acquired in 2015 ( Fig. 4 ). The legacy seismic profiles were obtained as digital scans of stacked travel-time images from MMS permit 75-02 ( Liberty, 2013 ). The 2018 sub-bottom Chirp data were provided to us from the Alaska Amphibious Community Seismic Experiment ( Barcheck et al., 2020...
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Journal Article
Published: 01 April 2021
Seismological Research Letters (2021) 92 (2B): 1213–1479.
... simultaneous effort, the Alaska Amphibious Community Seismic Experiment (AACSE), and is complemented by numerous seismic and nonseismic field efforts in the Aleutians through the NSF GeoPRISMS program. This session invites results from studies utilizing all or part of this community datasets to investigate...
Journal Article
Published: 14 March 2024
Seismological Research Letters (2024)
... has not been reported. The seismic stations currently deployed are located in coastal Alaska and Greenland Island. According to the evolutionary model, the anisotropy of the CB may be influenced by these regions ( Ucisik et al. , 2008 ; Schiffer et al. , 2018 ; Dubé et al. , 2020 ). The analysis...
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Journal Article
Published: 17 April 2024
Seismological Research Letters (2024) 95 (2B): 1113–1465.
...., Benowitz, J. A., Wech, A. 110. Student: Examining the Distribution of Earthquakes Within the Alaska-Aleutian Subduction Zone Using Events Detected by the Alaska Amphibious Community Seismic Experiment. Nolan, S., Abers, G., Barcheck, G., Friedman-Alvarez, C., Roecker, S. W. 1 11. Student: Searching...
Journal Article
Published: 01 July 2022
Bulletin of the Seismological Society of America (2022) 112 (5): 2440–2453.
...), and green portion the coda (S3). The two P arrivals, P1 and P2, are labeled in (d). The color version of this figure is available only in the electronic edition. The Cascadia Initiative (CI) was a community experiment using an amphibious seismic network to study a broad range of phenomena...
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Journal Article
Published: 01 April 2022
Seismological Research Letters (2022) 93 (2B): 1115–1372.
... Community Seismic Experiment (AACSE). Wei, X., Shen, Y. 79. Using Machine Learning to Improve Earthquake Catalogs for Amphibious Seismic Networks: Application of EarthquakeTransformer to the Alaska Amphibious Community Seismic Experiment. Barcheck, G., Abers, G. A., Ruppert, N., Roland, E., Schwartz, S. 80...
Journal Article
Published: 27 March 2023
Seismological Research Letters (2023) 94 (2B): 1029–1314.
...@wustl.edu; WIENS, D. A., Washington University in St. Louis, Missouri, USA, doug@wustl.edu We analyze the variation in earthquake locations and focal mechanisms along the Alaska subduction zone using ocean-bottom seismic data from the Alaska Amphibious Community Seismic Experiment (AACSE), EarthScope...
Journal Article
Published: 01 April 2020
Seismological Research Letters (2020) 91 (2B): 1095–1338.
.... In May 2019, we deployed 398 autono- mous three-component 5-Hz Fairfield Nodal Zland geophones on Kodiak Island as part of the Alaska Amphibious Community Seismic Experiment. The dense lines consisted of nodes at approximately 200-m spacing recording continuously for about 30 days adjacent to the ~40 km...
Journal Article
Published: 05 December 2018
Seismological Research Letters (2019) 90 (1): 409–428.
... to autonomous (nodal) geophone sensors. IRIS has recently gained substantial experience with post hole‐style sensor installations in Alaska and is presently embarking on a multiyear effort to enable a new level of wavefield imaging capability as part of the IRIS Program for the Array Seismic Studies...