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October 16, 2025Open Access

Recent Advances in Rapid Earthquake Magnitude Estimation for Early Warning Systems using Seismogeodesy

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This research extends seismogeodetic methods to improve earthquake magnitude estimation in real-time, suggesting better early warning for tsunamis.

Rapid and accurate earthquake magnitude estimation is vital for effective tsunami early warning systems, especially for coastal areas.
By employing high-rate GNSS and acceleration data, this approach reduces the time delay typically seen with traditional seismic methods.
The study adapts a physics-based seismogeodetic method originally designed for thrust earthquakes to also encompass strike-slip and normal fault mechanisms.
Improving early warning systems has the potential to mitigate risks to populations vulnerable to tsunamigenic events along coastlines.

Glehman et al. (2025) studied this question.

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This research extends seismogeodetic methods to improve earthquake magnitude estimation in real-time, suggesting better early warning for tsunamis.