Precariously balanced rocks, or PBRs as they’re known in geological circles, are ancient and delicately poised natural formations that can offer scientists interesting clues about earthquake ...

Precariously balanced rocks provide clues for unearthing underground fault connections. ScienceDaily . Retrieved April 8, 2025 from www.sciencedaily.com / releases / 2015 / 08 / 150804143555.htm ...

Precariously balanced rocks: a different kind of PBR. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Email address Sign up Thank you!

Formations of precariously balanced rocks (also known as PBRs) are found throughout the world, where boulders appear to be teetering on high pedestals due to natural geological processes.

Precariously balanced rocks near Searchlight, Nev. Similar formations near California’s San Andreas Fault are providing critical insights into the shaking and rupture patterns of past earthquakes.

Precariously balanced rocks provide clues for unearthing underground fault connections San Jacinto, San Andreas interaction weakens earthquake shaking near them ...

Balanced rocks in these desert regions are thought to have begun standing between 12,000 and 18,000 years ago after ... “because the precariously balanced rocks said something that nobody ...

Precariously Balanced Rocks in Northern New York and Vermont, U.S.A.: Ground‐Motion Constraints and Implications for Fault Sources Article Publication Date 10-Sep-2024 ...

Approximately 80 miles south of Reno, just inside California’s eastern border with Nevada, three distinct, large rocks sit at the edges of cliffs, looking like they will topple over at any moment.

Precariously balanced rocks "form as blocks preserved on cliffs, or when softer rocks erode and leave the harder rocks behind," noted an October 2020 article from Imperial College London.