rift zone


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rift zone

n.
1. A large area of the earth in which plates of the earth's crust are moving away from each other, forming an extensive system of fractures and faults.
2. A linear zone of fissures along the flanks of a volcano, from which lava erupts.

rift zone

An area of the Earth's crust in which there are numerous rifts and rift valleys. See more at tectonic boundary.
References in periodicals archive ?
The Panama Fracture Zone terminates in the south at the Galapagos rift zone and in the north at the Middle America trench, where it forms part of the Cocos-Nazca-Caribbean triple junction.
We've had eruptions going on at the summit and East Rift Zone, going on for years," he says.
It occurred along the middle of Kilauea's east rift zone, about 2 miles west of Pu'u O'o.
It's the first large event we have seen like this in a rift zone since the advent of some of the space-based techniques we're now using.
The site sits along the rift zone, where there can be up to 25 feet of fault slippage in seconds.
Rift zone orientations reflect the gravity-induced tensional stress field that is controlled by a volcano's internal structure and morphology (Fiske and Jackson, 1972).
The current eruption is the heaviest outpouring of lava on the volcano's rift zone in the past six centuries.
PGV is located some 21 miles south of Hilo on a 500-acre plot along the Lower East Rift Zone of the Kilauea Volcano.
As you hop across the rift zone from the mainland's North American tectonic plate to pick up the northwest-bound Pacific plate, the terrain subtly changes.
With crustal thinning and stretching, the crustal root became more buoyant, isostatically rebounding out of the mantle, and uplifting the flanks of the rift zone to form the modern Gamburtsevs about 100 million years ago, the authors claimed.
Geologists have known the end is coming for Afar, and they got a preview beginning in 1978, in a part of the rift zone located in Djibouti.
The only commercial geothermal power plant in the state, PGV is located in Puna District in Kilauea Volcano's East Rift Zone.