Also found in: Encyclopedia.


 (ī′sə-sīz′mĭk) also i·so·seis·mal (-məl)
Of, relating to, or exhibiting equal intensity of earthquake shock.
Mentioned in ?
References in periodicals archive ?
Country not in isoseismic line of any high-magnitude earthquakes: Expert
The isoseismic map shows that the lateral extent of the intensity contours did not extend significantly far from peak intensity VIII on Modified Mercalli Intensity scale near Paras trending in NW- SE direction.
The visual analysis of isoseismic lines of the most intensive earthquakes in confrontation with geophysical anomalies, which represent also significant fault lines, has shown a considerable directional similarity (Kalab et al., 1996).