2022
DOI: 10.1029/2022gl098334
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Subduction Zone Interface Structure Within the Southern MW9.2 1964 Great Alaska Earthquake Asperity: Constraints From Receiver Functions Across a Spatially Dense Node Array

Abstract: Understanding plate interface structure and subduction geometries can illuminate slip mechanisms, earthquake rupture behavior and shallow subduction zone processes. Because most global forearc regions are submerged, they are commonly studied via marine seismic methods, which, thus far, precludes dense-array natural source seismic imaging. Therefore, well-exposed forearcs such as Kodiak Island provide rare opportunities to study subduction zone and plate interface structure within the shallow forearc using a de… Show more

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Cited by 3 publications
(1 citation statement)
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“…Several recent studies have taken advantage of the 2018–2019 AACSE data set to carry out more detailed studies of the Alaska Peninsula region. A nodal seismograph array installed on Kodiak Island was used to image the structure immediately beneath Kodiak Island (Onyango et al., 2022). Airgun shots recorded by AACSE OBSs provide improved estimates of shallow crustal structure in the offshore peninsula area (Acquisto, Bécel, & Canales, 2022).…”
Section: Tectonic Setting and Previous Workmentioning
confidence: 99%
“…Several recent studies have taken advantage of the 2018–2019 AACSE data set to carry out more detailed studies of the Alaska Peninsula region. A nodal seismograph array installed on Kodiak Island was used to image the structure immediately beneath Kodiak Island (Onyango et al., 2022). Airgun shots recorded by AACSE OBSs provide improved estimates of shallow crustal structure in the offshore peninsula area (Acquisto, Bécel, & Canales, 2022).…”
Section: Tectonic Setting and Previous Workmentioning
confidence: 99%