The active Dead Sea Rift fault zone: a seismic wave-guide

Paleoseismic History of the Dead Sea Fault Zone

Shallow architecture of the Wadi Araba fault (Dead Sea Transform) from high-resolution seismic investigations

In a high-resolution small-scale seismic experiment we investigated the shallow structure of the Wadi Araba fault (WAF), the principal fault strand of the Dead Sea Transform System between the Gulf of Aqaba/Eilat and the Dead Sea. The experiment consisted of 8 sub-parallel 1 km long seismic lines crossing the WAF. The recording station spacing was 5 m and the source point distance was 20 m. The...

The New Madrid Seismic Zone: not dead yet.

The extent to which ongoing seismicity in intraplate regions represents long-lived aftershock activity is unclear. We examined historical and instrumental seismicity in the New Madrid central U.S. region to determine whether present-day seismicity is composed predominantly of aftershocks of the 1811-1812 earthquake sequence. High aftershock productivity is required both to match the observation...

Weakness of the San Andreas Fault revealed by samples from the active fault zone

Understanding the strength and slip behaviour of tectonic faults is a central problem in earthquake physics and seismichazard assessment1–8. Many major faults, including the San Andreas Fault, are weak compared with the surrounding rock, but the cause of this weakness is debated1. Previous measurements of the frictional strength of San Andreas Fault rocks are too high to explain the observed we...

Fault-tolerant control for a class of non-linear systems with dead-zone

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