Ring of Fire

earthquakes&volcanoes
Is there also a relationship between the plate boundaries of Earth and volcanoes? Yes there is. Were some volcanoes are on the map there are some earthquakes too. For example there are earthquakes and volcanoes all along the west coast on the whole North American continent.


boundries
Aleutian Islands: Ocean-continent convergent boundary
Cascades Volcanoes:Continent-continent convergent boundary
San Andreas Fault Zone:Ocean-continent convergent boundary

Plate Tectonics

Pangea:
When Pangea was last formed as one conitnent it was about 235 million years ago.

Continental Breakup by Mantle Plumes:
This rift occured about 1.1 billion years ago.
The lava turned into a rock called basalt.

Cambrian era:
The late Cambrian about 425 million years ago.

Future World:
The major mountain range which is now in North Africa is The Medditerranean Mountain Range.
The two continents that North America will join are South America and Africa!

Earthquakes

There have been 8 earthquakes that happened today February 2nd, 2010 that have happened around the world. The most recent earthquake was on the California Border. The older earthquakes have happened more on the west cost off of california and oregon.

All of the earthquakes that happen in South America usually happen all over the west coast. As you go more into South America the depth gets greater.