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Earth Science & Geology · Recorded milestone

Satellite radar interferometry

Recorded year1993

InSAR measures ground movement to the centimetre from orbit.

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Built on

RadarRecorded · 1935enables
Stored-program computerRecorded · 1948requires
Silicon solar cellRecorded · 1954requires
MicroprocessorRecorded · 1971requires
Earth-observation satelliteRecorded · 1972enables
Imaging radar from orbitRecorded · 1978enables

Led to

Radar 3D map of EarthRecorded · 2000enables
Dual-band radar Earth mapperRecorded · 2025enables
Volcano eruption forecastingForecast · ~2030enables
Landslide prediction everywhereForecast · ~2052enables

Sources & evidence

Additional source

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