What was the magnitude of the Chile earthquake?

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Multiple Choice

What was the magnitude of the Chile earthquake?

Explanation:
Magnitude measures the energy released by an earthquake on a logarithmic scale, so each whole number step represents a substantial increase in energy. The Chilean quake often cited in quizzes is the 2010 Maule event, which registered about 8.8 on the moment magnitude scale. That level of shaking produces very strong ground movement and a tsunami, making it a major but not the largest Chilean quake on record. The 1960 Valdivia earthquake was much bigger, around 9.5, which is why other options like that value don’t match the commonly referenced Chile event. So the magnitude in this context is 8.8.

Magnitude measures the energy released by an earthquake on a logarithmic scale, so each whole number step represents a substantial increase in energy. The Chilean quake often cited in quizzes is the 2010 Maule event, which registered about 8.8 on the moment magnitude scale. That level of shaking produces very strong ground movement and a tsunami, making it a major but not the largest Chilean quake on record. The 1960 Valdivia earthquake was much bigger, around 9.5, which is why other options like that value don’t match the commonly referenced Chile event. So the magnitude in this context is 8.8.

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