A real-time AI-assisted seismic monitoring system based on new nodal stations with 4G telemetry and its application in the Yangbi MS6.4 aftershock monitoring in southwest China
May 23,2025
This paper introduces a real−time, AI−assisted seismic monitoring system designed for rapid deployment in areas affected by major earthquakes. The system uses newly developed nodal stations with 4G telemetry for real−time data transmission and automatic data processing. It was successfully applied to monitor the aftershocks of the MS 6.4 earthquake in Yangbi County, Yunnan Province, southwest China, in May 2021. The system is capable of transmitting seismic data in real−time, processing it automatically for event detection, location, magnitude calculation, and source mechanism inversion. The results show that the system detected and located significantly more aftershocks compared to traditional methods, demonstrating its efficiency and potential for broader applications in seismic monitoring.
Highlights of UGL−3C:
1. Real−Time Data Transmission:
The UGL−3C nodal station can transmit seismic data in real−time with a delay of less than 1 second, or intermittently (e.g., every 2, 4, or 8 minutes) with packed data. This flexibility allows for continuous monitoring and quick response to seismic events.
2. Low Power Consumption:
The station is designed with low power consumption, allowing the internal battery to last for about 7 days in real−time mode and up to 21 days in 4-minute intermittent mode. This makes it suitable for long-term deployment in remote or power-limited areas.
3. High Data Recovery Capability:
The UGL−3C prioritizes sending missing data once a 4G connection is established, ensuring that data gaps are filled even if the connection is temporarily lost. This is particularly useful in rural areas with unstable 4G networks.
4. Robustness and Ease of Deployment:
The station can be fully buried to prevent vandalism while still maintaining normal GPS signal reception and 4G data transmission. Deployment is quick and easy, taking less than half an hour per station
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