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Last Updated Friday January 19 2018 01:11 AM IST

New AI system can predict earthquakes

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New AI system can predict earthquakes Representational image

London: Scientists have developed an artificial intelligence (AI) system to successfully predict earthquakes, an advance that may help prepare for natural disasters and potentially save lives.

The study, published in the journal Geophysical Review Letters, identified a hidden signal leading up to earthquakes, and used this 'fingerprint' to train a machine learning algorithm to predict future earthquakes.

Researchers from University of Cambridge in the UK and Boston University in the US studied the interactions among earthquakes, precursor quakes and faults, with the hope of developing a method to predict earthquakes.

Using a lab-based system that mimics real earthquakes, they used machine learning techniques to analyze the acoustic signals coming from the 'fault' as it moved and search for patterns.

Researchers used steel blocks to closely mimic the physical forces at work in a real earthquake, and also records the seismic signals and sounds that are emitted.

Machine learning was then used to find the relationship between the acoustic signal coming from the fault and how close it is to failing.

The machine learning algorithm was able to identify a particular pattern in the sound, previously thought to be nothing more than noise, which occurs long before an earthquake, researchers said.

The characteristics of this sound pattern can be used to give a precise estimate of the stress on the fault and to estimate the time remaining before failure, which gets more and more precise as failure approaches, they said.

"This is the first time that machine learning has been used to analyze acoustic data to predict when an earthquake will occur, long before it does, so that plenty of warning time can be given - it is incredible what machine learning can do," said Colin Humphreys of Cambridge University.

Machine learning enables the analysis of datasets too large to handle manually and looks at data in an unbiased way that enables discoveries to be made, researchers said.

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The opinions expressed here do not reflect those of Malayala Manorama. Legal action under the IT Act will be taken against those making derogatory and obscene statements.

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