The combined energies of the earthquakes measured 1,328.4 mass of TNT.
2. The plates in southern California are moving at a relatively steady rate. Because of this, some estimates say that a magnitude 7.0 quake must happen every 200 years there. In terms of metric tons of TNT, how much energy is this?
A 7.0 earthquake in California is equivalent to 32 metric tons of TNT.
3. Take the amount of energy you calculated in question 1 and multiply it by 26. This is the amount of energy that would be released in a year if the same thing happened every two weeks. Then take that number and multiply it by 200. This is the amount of energy that would be released in 200 years. Show your work.
1,328.4 multiplied by 26 equals 34,538.4; 34,538.4 metric tons of TNT would be released in a year. 34,538.4 multiplied by 200 is 6,907,680; 6,907,680 metric tons of TNT would be released in 200 years.
4. What size earthquake do all those little earthquakes add up to?
Added together, all of the earthquakes add up to a 29.5 magnitude earthquake. All of the smaller earthquakes add up to an earthquake with a magnitude of 10.
5. Over the projected course of 200 years, would the daily little earthquakes add up to the size of a "big one" (strength 7.0 or higher) that is expected in southern California roughly every 200 years?
The smaller earthquakes would result in a bigger earthquake in the future; the smaller earthquakes, although their magnitude is not very high, would exceed the size of a bigger earthquake once added together.
6. Do you think that havi...
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...ollowed Mount Saint Helens’ eruption was significantly weaker than the eruption. Conversely, the earthquake that followed Mount Pinatubo’s eruption was stronger than the eruption itself. However, both volcanoes erupted and were followed by an earthquake. I can conclude the movement of the plate tectonics underneath Mount Saint Helens must have been weaker than the plate tectonics underneath Mt. Pinatubo. The plate tectonics Mt. Pinatubo was experiencing must be stronger and more powerful because the earthquake was so much more violent than the eruption. However, in order for both earthquakes to have occurred Mt. Pinatubo and Mt. Saint Helens have to be located in a subduction zone. Also, they are both located in the “Ring of Fire.” In addition, Mt. Pinatubo and Mt. Saint Helens must be near a convergent plate boundary because both plates collided with other plates.
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