Quentin Brissaud bio photo

Quentin Brissaud

Geophysicist/Data-scientist at NORSAR. Working (remotely) from Los Angeles.

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My work includes Machine Learning applications for geophysics, seismic and acoustic event monitoring, and planetary exploration

Machine learning

Example of wave detection and classification on a seismometer in Ukraine Example of wave detection and classification on a seismometer in Ukraine

2023: Conflict monitoring using seismic timeseries segmentation

We developed model to detect and pick seismic and sound signals from explosions during the Ukraine-Russia war by training a CNN autoencoder with self-attention.

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Sound amplitude prediction vs range and frequency Sound amplitude prediction vs range and frequency

2022: Predicting sound amplitude with deep learning

We trained a deep CNN to compute the sound amplitudes from explosions by mapping atmospheric winds sound attenuation at ground level.

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Detected earthquake wave arrival times in a satellite network Detected earthquake wave arrival times in a satellite network

2021: Detection of earthquakes from satellite data using machine learning

We built an automatic detector and arrival time picker of large earthquake signals in GNSS satellite data using Ranfom Forests.

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Event monitoring

3D mine diagram 3D mine diagram and the acoustic array location (label A), our seismic solution (label B), and locations of main source types from (Dineva et al., 2022)

2023: Seismic and acoustic analysis of the largest minequake in the Nordics

We were able to retrieve seismic source parameters from the sound signature of a large minequake.

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An unreported explosion northeast of Malyn detected by our model. An unreported explosion northeast of Malyn detected by our model.

2023: Seismic monitoring of the Ukraine-Russia war

We developed a model to perform seismic and infrasound monitoring of the 2022 Russia-Ukraine war in real time.

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Map of the seismo-acoustic and satellite detectections of the 2022 Hunga eruption. Map of the seismo-acoustic and satellite detectections of the 2022 Hunga eruption.

2023: Atmospheric waves and global seismoacoustic observations of the January 2022 Hunga eruption, Tonga

We analyzed the seismic, acoustic, and satellite data after the 2022 Hunga eruption, the largest volcanic eruption in recorded history.

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