1. The Pacific Ocean
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Shunsuke Baba

2. The Pacific Ocean volcanic zone
The Pacific Ocean volcanic zone is
generated in the earthquake and the volcanic
eruption that is a lot of areas. This orogenic
zone has caused a lot of earthquakes
before.

3. The Pacific Ocean earthquake
zone
80% of the earthquake of about 90% of the
earthquake in the world and the world's largest
scales happens along the ring of the
fire. Because the reason has the plate.

4. Earthquake
A typical earthquake is a Chile earthquake. It is
an earthquake that occurs in this Japan. It thinks
about these two earthquakes. It is understood
that either earthquake is very large the scale.

5. Volcano
There are a lot of mountains where the volcanic
activity is active in this region. It is said two large
orogenic zones of the world. Both are the
frequent occurrence zones of the earthquake.

6. Orogenic zone
As for Alpine-Himalayan belt, the point where
the volcano is few and a lot of folds exist is
different while there are a lot of activities of
the Pacific rim make mountain belt to
accompany the volcano.

7. Chile earthquake
This earthquake was an earthquake of a
scale that was larger than 3.11 of
Japan. There is rarely an earthquake of
magnitude nine classes.

8. Conclusion
The orogenic zone in the world can be
divided into two. The one is the Pacific
Ocean. The orogenic zone in the Pacific
Ocean is active.