Scientists just discovered a tiny signal that volcanoes send before they erupt

Scientists just discovered a tiny signal that volcanoes send before they erupt Scientists have developed a simple new “Jerk” signal detector that can warn of volcanic eruptions hours before they happen.

• Date:
• March 15, 2026
• Source:
• GFZ Helmholtz-Zentrum für Geoforschung
• Summary:
• A new detection method called “Jerk” could dramatically improve how scientists forecast volcanic eruptions. By using a single broadband seismometer, the system can detect extremely subtle ground movements...