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Lessons from Parkfield help predict continued fault movements after earthquakes

A new study shows that the San Andreas Fault continued to slip gradually for six to twelve years after the 2004 magnitude 6.0 Parkfield,...

Past Quakes at Fault: Abrupt Sinking of Seal Beach Wetlands

A California State University, Fullerton faculty-student study shows evidence of abrupt sinking of the wetlands near Seal Beach, Calif., caused by ancient earthquakes that...

Fault system off San Diego, Orange, Los Angeles counties could produce...

A fault system that runs from San Diego to Los Angeles is capable of producing up to magnitude 7.3 earthquakes if the offshore segments...

Ventura fault could cause stronger shaking, new research finds

A new study by a team of researchers, including one from the University of California, Riverside, found that the fault under Ventura, Calif., would...

Megathrust earthquakes

The raggedness of the ocean floors could be the key to triggering some of the Earth's most powerful earthquakes, scientists from Cardiff University have...

Earthquake faults are smarter than we usually think

Northwestern University researchers now have an answer to a vexing age-old question: Why do earthquakes sometimes come in clusters? The research team has developed a...

Alpine Fault theory takes shape

The Alpine Fault has been assumed to be a near vertical crack, however, research published last year by Victoria scientists suggests that the fault...

Biggest exposed fault on Earth discovered

Geologists have for the first time seen and documented the Banda Detachment fault in eastern Indonesia and worked out how it formed. Lead researcher Dr...

Subduction zone geometry: Mega-earthquake risk indicator

Mega-earthquakes (with a magnitude greater than 8.5) mainly occur on subduction faults where one tectonic plate passes under another. But the probability of such...

Fault curvature may control where big earthquakes occur

Major earthquakes -- magnitude 8.5 and stronger -- occur where faults are mostly flat, say University of Oregon and French geologists. Curvier faults, they...

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