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Temporal Relationship of Slow Slip Events and Microearthquake Seismicity: Insights From Earthquake Automatic Detections in the Northern Hikurangi Margin, Aotearoa New Zealand
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2023
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Source: Geochemistry, Geophysics, Geosystems, 24(3)
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Journal Title:Geochemistry, Geophysics, Geosystems
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Description:Slow slip events in the northern Hikurangi margin of Aotearoa New Zealand occur every 18–24 months and last for several weeks before returning to average convergence rates of around 38 mm/yr. Along this plate boundary, the Hikurangi plateau subducts beneath the overlying Australian plate and slow slip events occur along their plate interface at depths between 2 and 15 km. To explore whether there is a temporal relationship between slow slip events and earthquake occurrence, the Regressive ESTimator automated phase arrival detection and onset estimation algorithm was applied to a data set of continuous waveform data collected by both land and ocean bottom seismometers. This detector uses an autoregressive algorithm with iterative
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Source:Geochemistry, Geophysics, Geosystems, 24(3)
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ISSN:1525-2027;1525-2027;
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Rights Information:CC BY
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Compliance:Library
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