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Sensors & Measurement · Recorded milestone

Quantum underground mapping

Recorded year2022

Quantum gravimeters map pipes, caves and ore bodies from the surface.

Explore this milestone on the interactive map

Built on

MicroprocessorRecorded · 1971requires
Laser cooling of atomsRecorded · 1978enables

Led to

GPS-free quantum navigationForecast · ~2030enables
AI-found ore depositsForecast · ~2031enables
Underground map of every cityForecast · ~2042enables
Gravity-map navigationForecast · ~2044enables
Live gravity map of EarthForecast · ~2045enables

Sources & evidence

Additional source

Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.