Earthquakes
· Cause by movements of the tectonic plates around earth crusts· Most of them occur at boundaries of these plates. Ex. San Andres fault in California · 50% occur art sub duction zones concentrated along the ring of fire · In a volcano it could have more than a 100 earthquakes a day before an explosion · originate as magma work its way upward · pumping of waste fluid as it happened in Colorado Ø RICHTER SCALE ( American Francis Richter 1930,s) · It is a logarithmic scale runs from
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Some common words found in the essay are:
Mercalli Scale, San Andres, Francis Richter, , · magnt, Colorado Intensity, powerful · magnt, times powerful ·, · aprox, powerful ·, Ø earthquake, times powerful, alaska ·, vehicle ·, hits alaska, hits alaska ·, world ·, world · aprox,
Approximate Word count = 520
Approximate Pages = 2 (250 words per page double spaced)
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