earthquakes

The Parkfield section of the San Andreas fault is sending mixed messages before a time of expected increased seismic risk.

Magnitude 4.8 and 3.8 earthquakes struck New Jersey and rocked the Northeast on Friday (April 5).

Record earthquake activity off the coast of Vancouver Island hints at the birth of new oceanic crust.

Geologists have found that the rocks of the Barberton Greenstone Belt are similar to those subjected to earthquakes and landslides in New Zealand.

A modeling study suggests a slumbering subduction zone below the Gibraltar Strait is active and could break into the Atlantic Ocean in 20 million years' time, giving birth to an Atlantic "Ring of Fire."

Magnetic data suggest Seattle's fault line formed 55 million years ago, when the southern half of a subducting chain of volcanic islands piled onto the continent and tore apart from the northern half.

Two fissures spewing lava opened up near Grindavík, destroying three houses in the town — and experts have warned new eruptions could take place any time.

A seamount sitting on a subducting tectonic plate off the coast of Japan and plowing its way into Earth's mantle may be at the root of several magnitude 7 earthquakes in the past 40 years.

Researchers have found evidence that aftershocks may continue for centuries after a major earthquake — though the finding is still open for debate.

Explainer Experts have warned that an underground magma tunnel between a pair of Icelandic towns could erupt at any moment. But what will this eruption look like? And how far-reaching will its effects be?