Seismology faces key challenges, including the unpredictability of earthquakes and the complexity of fault systems, which make accurate forecasting difficult. Limited seismic data, especially from remote areas, further complicates research. Additionally, developing more reliable early warning systems for at-risk populations remains a critical need.
Distributed Fiber Optic Sensing (DFOS) is transforming the field of seismology with its ability to provide highly accurate and real-time data on seismic activities, including earthquakes, volcanic eruptions, tsunamis, and other geological events. Unlike traditional seismic monitoring systems, which often involve substantial costs and face limitations in sensitivity and geographic coverage, DFOS leverages existing fiber optic infrastructure to create a network of distributed sensors. This innovative approach allows for the continuous monitoring of extensive areas, capturing even the most subtle ground movements with high precision.
Seismology is crucial in this regard because it enables researchers to better understand how the earth moves, how tectonic plates move, and what kind of damage an earthquake might cause. Seismology also contributes to our understanding of the continental slopes that can potentially trigger earthquakes.
EARTH POINT SEISOMETER- Seismographs are devices that track and record the seismic waves and vibrations produced by earthquakes using motion sensors. These tools are vital for seismic monitoring and offer crucial information for comprehending and researching a region’s seismic activity.
Efficient alarms
Efficient alarm systems are essential for effective seismic monitoring. DFOS employs advanced algorithms and artificial intelligence to analyze detected events, classifying them based on predefined criteria. This intelligent processing ensures that only relevant alerts are sent to operators through their preferred channels, such as user interfaces, SMS, or email, minimizing false alarms and undetected events.
By providing precise and timely information, DFOS supports proactive maintenance and risk mitigation strategies. The ability to customize alerts according to specific needs allows for a tailored approach to monitoring, ensuring the highest level of safety and efficiency.
Listen
The optical fiber is converted into a sensor with thousands of microphones by the interrogation unit, which makes it continuously listen to its surroundings.
Analyze
After analysing the data, the processing unit precisely localizes the information to within a few meters of the different basic events.
Report
Depending on the user’s needs, the system groups the events and only notifies them of the alarms that are relevant to them.
Seismic Activity with DAS Brochure
Download our Power Cable with DAS brochure where you will find all the details of our solution.
The VESTA solution employs distributed acoustic sensing (DAS) technology and allows operators to detect, locate and classify human intrusions (PID) to protected perimeters before these intrusions damage the electrical installation itself and its operation.
Distributed Fiber Optic Sensing Technology
// Patented DAS system
HDAS is a revolutionary patented DAS system developed by Aragon Photonics and the University of Alcalá de Henares “Chirped-pulse phase-OTDR” technology.
HDAS technology can be considered the highest fidelity DAS technology as it provides non-linear and quantitative response, with extremely high sensitivity and an homogeneous performance along the fiber.
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