Balloon fleet senses earthquakes from stratosphere

Phys.org  July 28, 2022 Note: This article has been accepted for publication and undergone full peer review but has not been through the copyediting… The ground movements induced by seismic waves create acoustic waves propagating upward in the atmosphere, providing a practical solution to perform remote sensing of planetary interiors. However, a terrestrial demonstration of a seismic network based on balloon-carried pressure sensors has not been provided. Researchers in France reported the detection of a large, distant earthquake in a network of balloon-bound pressure sensors in the stratosphere. They demonstrated that quakes properties and planet internal structure can be probed […]