2. How many earthquakes occur in
Pacific Ring of Fire?
About 90% of earthquake in the world and 80% of the
earthquake with the largest world happens by Pacific Ring of
Fire.
3. Where is the place where the earthquake
happens easily secondarily?
The area where earthquakes happen easily secondarily most is
5~6% in the Alpide belt. And, the probability that the biggest
earthquake happens is 17%.
4. History of volcanic activity
in Chile
The biggest earthquake happened in Chile in 1980. The
volcanic activity of Chile is done in the Nasca plate. The
volcano erupted two times in 2008.
5. History of volcanic activity of
Bolivia
Many of active volcanoes are international mountains shared
with Chile.
6. History of volcanic activity of the
United States
The Redoubt mountain in Alaska became active in 2009 and
the latest activity in the part in the United States of the Pacific
Ring of Fire was made to erupt in the late evening on March 22.
The explosion ended in May, 2009.
7. History of volcanic activity of the
Japan
Ten percent of the active volcano in the world is found in
Japan. They are formed with the subduction of Pacific Plate
and Philippine Sea Plate. It is said that there might be a
volcanic activity in some, small one in these several years.
8. Conclusion
Japan where we live is one country of the Pacific Ring of Fire.
We should help by cooperating when the volcano erupts in
another country. Because people are embarrassed.
