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Groundbreaking: 'Controlled' Quakes Triggered Under Swiss Alps
Dozens of scientists injected 750 cubic metres of water into a fault to study how to control induced seismicity for safer underground work.
- Researchers at the BedrettoLab in the Swiss Alps induced 8,000 tiny earthquakes in late April, studying fault movements 1,500m beneath the surface.
- During the Fault Activation and Earthquake Rupture experiment, scientists injected 750 cubic metres of water into boreholes to provoke movement within a pre-selected fault.
- Lead researcher Domenico Giardini called the project a success, noting the work was "never at this scale and never this deep" despite missing their target magnitude.
- Giardini insisted the experiment was "safe," adding the team introduced only "about one percent of what is the natural risk" to improve understanding of induced seismicity.
- Researchers will refine injection angles in June to avoid disasters like the 5.4-magnitude Pohang, South Korea, quake triggered by water injections in 2017.
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Leaning Left2Leaning Right4Center4Last UpdatedBias Distribution40% Center, 40% Right
Bias Distribution
- 40% of the sources are Center, 40% of the sources lean Right
40% Right
L 20%
C 40%
R 40%
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