What does this research mean for the field?

RT-EQcorrscan enhances the completeness and accuracy of early aftershock catalogs and allows for rapid characterization of earthquake sources within minutes to an hour after a trigger event. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The aim is to enhance the accuracy and completeness of early aftershock catalogs using real-time matched-filter methods.

March 14, 2026Seismological Research Letters

Rapid Earthquake Source Characterization Using Real-Time-Matched Filters (RT-EQcorrscan): Application to Aotearoa New Zealand Aftershock Sequences

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Authors

EWEmily Warren-SmithGNS Science CCC. J. ChamberlainVictoria University of Wellington

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Implication

Evaluates aftershock sequences in Aotearoa New Zealand, suggesting improved early earthquake response efforts.

Key Points

The aim is to enhance the accuracy and completeness of early aftershock catalogs using real-time matched-filter methods.
Developed and applied RT-EQcorrscan for real-time matched-filter workflows.
Conducted simulations of real-time aftershock scenarios for recent significant earthquakes.
Utilized cross-correlation of known earthquake waveforms with continuous seismic data.
Updated plug-ins to enhance real-time processing capabilities.
Achieved improved completeness in early aftershock catalogs.
Estimated source fault geometry within minutes to an hour after a trigger event.
Demonstrated capability in real-time location and magnitude calculations for aftershocks.
Highlighted distinctions between real-time matched-filter applications and retrospective analyses.

Cite This Study

Warren-Smith et al. (2026) studied this question.

synapsesocial.com/papers/69b4fbc1b39f7826a300c26d https://doi.org/10.1785/0220250341

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Rapid Earthquake Source Characterization Using Real-Time-Matched Filters (RT-EQcorrscan): Application to Aotearoa New Zealand Aftershock Sequences

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Key Points

Cite This Study

Rapid Earthquake Source Characterization Using Real-Time-Matched Filters (RT-EQcorrscan): Application to Aotearoa New Zealand Aftershock Sequences

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Member takes

Implication

Key Points

Cite This Study

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