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Five Upper Chambers Buffer Giza Pyramid Vibrations, Study Shows

5/22/2026

Summary

Story summary

Scientists found five chambers above King’s Chamber act as seismic dampers lowering vibration amplification at pyramid’s core.
Researchers from Egypt’s Institute of Astronomy and Geophysics recorded vibrations at 37 sites, measured an internal frequency of 2.3 hertz versus 0.6 hertz in soil, and published the results in Scientific Reports.
The pyramid suffered only minor damage in the 1847 magnitude-6.8 and 1992 magnitude-5.8 quakes that devastated structures and killed over 560 people.

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Story summary

Scientists found five chambers above King’s Chamber act as seismic dampers lowering vibration amplification at pyramid’s core.
Researchers from Egypt’s Institute of Astronomy and Geophysics recorded vibrations at 37 sites, measured an internal frequency of 2.3 hertz versus 0.6 hertz in soil, and published the results in Scientific Reports.
The pyramid suffered only minor damage in the 1847 magnitude-6.8 and 1992 magnitude-5.8 quakes that devastated structures and killed over 560 people.