Sentences with phrase «near subduction zones»

Near subduction zones, plates collide, forcing ocean crust down toward Earth's hot interior, where this crustal material melts, forming magma that rises buoyantly back to the surface and erupts to create volcanoes and seamounts.

Megathrust earthquakes can generate destructive tsunamis and are a serious hazard facing communities located near subduction zones.

«At the time this thing formed, it was in the middle of a basin that was nowhere near a subduction zone — it was nowhere near the kind of geologic activity that would cause a volcano to form.»

Not exact matches

If the subduction zone near Sendai can produce a great quake, then other areas with similarly old ocean crust might too, says Okal, who says that Tonga and the northeastern Caribbean are regions to look at more closely.

I predict greater surface salinity, much earlier melt, great adiabatic events at sea surface to air interface, wide early thousand lead expansion events coinciding with at start clear than very cloudy air, a surprising near ice death experience at the North Pole because the North Greenland subduction zone is already very fluid.

Hamaoka sits directly over a subduction zone near the junction of two tectonic plates.

Here in Oregon we are the somewhat unwitting hosts of a great deal of methane hydrate research by Oregon State University, some Texas university people (and backing by the good old Houston - based gas industry), of deposits on and near the ocean floor on the Gorda Ridge just off our coast, which is a consequence of the subduction zone geomorphology of the area.