A geologic event known as diking can cause strong earthquakes—with a magnitude between 6 and 7, according to an international research team.
Geologists from Brown University may have finally explained what triggers certain earthquakes that occur deep beneath the Earth's surface in subduction zones, regions where one tectonic plate slides beneath another.
A strong earthquake of at least a 7.0 magnitude struck in Russia's Far East on Saturday morning, US and Russian scientists said, sending tremors across the coastal peninsula.
Seismologists working along California's San Andreas Fault near Cholame and Parkfield now have a better idea of how and where friction changes along the fault to produce both shallow earthquakes and the deeper earth tremors ...
A 6.8 magnitude earthquake struck southern Alaska early Sunday, US seismologists said.
A magnitude-6.4 earthquake struck a remote region of northwest China early Thursday, damaging a few dozen homes but causing no casualties.
Six years after Haiti was devastated by a magnitude-seven earthquake, the government seismologist who predicted it warns little has been done to protect people in the likely event of a repeat disaster.
A strong earthquake struck off North Sulawesi province in central Indonesia, but there were no immediate reports of damage or casualties.