Penn State Researchers Repurpose Fiber Cables To Map Earth With Thunder

By John Timmer · Ars Technica · 2026-08-21

Ars Technica reports that seismologists are now using acoustic energy from storms to visualize the planet's subsurface. By monitoring a four-kilometer stretch of fiber-optic cable beneath the Penn State campus, the team successfully captured how thunder-driven shock waves interac

Ars Technica reports that seismologists are now using acoustic energy from storms to visualize the planet's subsurface. By monitoring a four-kilometer stretch of fiber-optic cable beneath the Penn State campus, the team successfully captured how thunder-driven shock waves interac