Transform Plate Movement A transform plate movement is one where two plates slide laterally past each other. However, movement is not smooth due to friction between the rocks of the two plates.
Therefore, sometimes the two plates would get 'stuck' and lock together. But since the convection currents of the underlying magma are still dragging the plates, much tension and pressure is built up at the transform boundary. When there is sufficient buildup of pressure, rocks in the plates break and get jerked apart. This results in earthquakes. As you may have heard, this afternoon a large quake struck Japan.
7.9 magnitude quake strikes Japan
A 7.9-magnitude earthquake has struck off Japan's northeastern coast, shaking buildings in Tokyo for several minutes and sending people out into the streets.
Japan's meteorological agency warns that a tsunami as high as 20 feet (6 meters) could strike the coast near Miyagi prefecture, closest to the epicenter.
The agency says the quake struck at 2:46 p.m. Friday at a depth of 6 miles (10 kilometers), about 80 miles (125 kilometers) off the eastern coast.
Several quakes had hit the same region in recent days, including a 7.3 magnitude one on Wednesday.
What is the link between GEOGRAPHY and the EARTHQUAKE that just happened?
Japan's meteorological agency warns that a tsunami as high as 20 feet (6 meters) could strike the coast near Miyagi prefecture, closest to the epicenter.
The agency says the quake struck at 2:46 p.m. Friday at a depth of 6 miles (10 kilometers), about 80 miles (125 kilometers) off the eastern coast.
Several quakes had hit the same region in recent days, including a 7.3 magnitude one on Wednesday.
What is the link between GEOGRAPHY and the EARTHQUAKE that just happened?
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