Seismic study reveals how the The Great Pyramid of Giza resists earthquake damage. The 4,600-year-old Great Pyramid of King Khufu has lost only about 10 m (33 ft) of height since construction, mainly due to stone removal for medieval Cairo Geoscientists placed 37 vibration sensors in and around the pyramid during periods with no tourists Internal pyramid vibrations ranged from 2 to 2.6 Hz, significantly different from ground vibrations of ~0.6 Hz
The Great Pyramid of Giza, built 4,600 years ago, has lost only ~10 meters of height. Geoscientists placed 37 vibration sensors and discovered the pyramid oscillates at 2-2.6 Hz while the ground moves at ~0.6 Hz. That gap, plus its massive base and relief chambers, helps it withstand earthquakes.
Key Facts
- The 4,600-year-old Great Pyramid of King Khufu has lost only about 10 m (33 ft) of height since construction, mainly due to stone removal for medieval Cairo
- Geoscientists placed 37 vibration sensors in and around the pyramid during periods with no tourists
- Internal pyramid vibrations ranged from 2 to 2.6 Hz, significantly different from ground vibrations of ~0.6 Hz
- This frequency gap causes the pyramid to sit apart from ground vibrations during earthquakes
- Pressure-relieving chambers above the King's Chamber dampen vibrations traveling toward the apex
- The pyramid's massive base, limestone foundation, and symmetrical geometry contribute to stability
- Earlier pyramids (e.g., the collapsed one at Meidum) show the architects experimented with slope geometry and internal layouts before perfecting the design at Giza
Related site: The Great Pyramid of Giza — view location, images, and history on the Ancient Nerds map.
Source: Latest #Archaeology Discoveries: May 2026 by Inside Archaeology