- Relating to or denoting lines on a map connecting places where an earthquake was experienced with equal strength.More example sentences
- Figure 1 is an isoseismal map of the earthquake zone, showing the distribution of intensities of shaking, with contours of equal intensity.
- Robert Mallet's detailed study of the 1857 Naples earthquake resulted in the first known isoseismal map.
More definitions of isoseismalDefinition of isoseismal in:
- The US English dictionary