Relating to or occurring at the same time as an earthquake, or describing regions that experience seismic activity simultaneously.
From 'co-' (together) combined with 'seismic' (relating to earthquakes), creating an adjective for simultaneous or related seismic events.
Geologists use the term 'coseismic' to describe the immediate changes that happen to the Earth's surface during an earthquake, which helps them understand how tectonic plates suddenly shift and reshape our planet.
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