The study found that these zones show intense tremor activity before a major earthquake.

Deep beneath the eastern Pacific Ocean about 1,000 miles off the coast of Ecuador, a fault line on the seafloor has been generating magnitude 6 earthquakes with almost clocklike regularity for at ...

Scientists studying aremote underwater fault in the eastern Pacific Ocean say they have identified natural geological ...

For decades, a strange patch of the Pacific Ocean has quietly puzzled earthquake scientists around the world. Deep beneath ...