[最も選択された] earthquake 326427-Earthquake
The earthquake was preceded by a magnitude 7.4 foreshock and followed by a magnitude 6.1 aftershockEarthquakes occur most often along geologic faults, narrow zones where rock masses move in relation to one anotherSpecial Earthquakes, Earthquake Sequences, and Fault Zones Compilations of information about significant earthquakes, swarms or sequences, and fault zones of interest Earthquakes Finding Fault With Nature Earthquake