Sentences with phrase «shallow crustal»

For Seattle, a shallow crustal earthquake close to the city would be most damaging.

The broader region is vulnerable to earthquakes from multiple sources, including deep earthquakes within the subducted Juan de Fuca plate, offshore megathrust earthquakes on Cascadia subduction zone and the shallow crustal earthquakes within the North American Plate.

Not exact matches

Most of the large earthquakes in South America are constrained to shallow depths of 0 to 70 km resulting from both crustal and interplate deformation.

The study, Lifetime and size of shallow magma bodies controlled by crustal - scale magmatism, was led by researchers at ETH Zurich, and also included researchers from the Georgia Institute of Technology.

The absence of crustal deformation from Tharsis means the seas would have been shallower, holding about half the water of earlier estimates.

Shellnutt (2017), in a succinct review of the Panjal Traps (c. 290 Ma), an important component of the Himalayan magmatic province, discusses the synchronous nature of basalts, that chemically range from continental tholeiite to ocean - floor basalt, and crustally derived silicic volcanic rocks (rhyolites and trachytes: 206Pb / 238U zircon in situ age of 289 ± 3 Ma), that developed in a shallow lithospheric rift with significant mingling between crustal melts and mafic magmas.

Scotts Mills, Oregon (1993): The M5.6 «Spring Break Quake» near Scotts Mills in Marion County (about 32 miles south of Portland) on March 25, 1993 was a shallow or crustal earthquake.