Foreshock

Foreshock

25th April 2025

Foreshocks are earthquakes which rupture before the main earthquake event or ‘mainshock’. These earthquakes are smaller magnitude than this mainshock and cannot be identified as foreshocks until after the mainshock and following aftershocks. 

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COMET Annual Report 2023/24

The 2023/2024 COMET Annual Report is now available to view online

Click here to read previous annual reports, from 2014-present.