Shooting light pulses down a 3-kilometer borehole could illuminate seismic hazards
Researchers are testing a new method using fiber-optic cables in deep boreholes to detect and analyze microearthquakes. This technique, known as distributed acoustic sensing, provides higher sensitivity than traditional surface-level monitoring.
Why it matters
Advances in seismic monitoring technology could significantly improve our ability to predict and understand earthquake hazards.
edited by Sadie Harley , reviewed by Robert Egan
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Add as preferred source Researchers used data gathered via distributed acoustic sensing at Utah's Cape Modern geothermal site to learn more about the properties of small earthquakes. Credit: Stefan.chamorro/Wikimedia Commons , CC BY-SA 4.0 A better understanding of how earthquakes occur and what happens during a rupture is important for assessing seismic risk. Small earthquakes, which are more frequent than large ones, are a tempting data set, but they're hard to study, in large part because their energy is quickly sapped as it travels through Earth.
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