noun
- plural of coseismal; lines on a map connecting points on the Earth's surface that experienced an earthquake at the same time.
Usage: technical; geology/seismology
Examples
- Seismologists use coseismals to map the timing and progression of earthquake waves across a region.
- The coseismals on the map showed that the earthquake reached the coastal areas several seconds before the inland zones.
- By analyzing coseismals from historical earthquakes, researchers can better understand fault rupture patterns.
- The distribution of coseismals helped determine the epicenter and depth of the seismic event.