How much more energy is released when comparing a magnitude 6 to a magnitude 7 earthquake?

How much more energy is released when comparing a magnitude 6 to a magnitude 7 earthquake?

  • About 30 times as much
  • 10 times as much
  • Twice as much


About 30 times as much

Environmental & Atmospheric Sciences

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a. On top of mountains b. On the plains c. Near rivers d. In the desert e. Over or near the ocean

Environmental & Atmospheric Sciences

Critical evidence for the Cretaceous-Tertiary boundary impact includes ________.

A. the discovery of a crater covered by jungle vegetation in Brazil B. an iridium anomaly in a thin layer of rock 65 million years old C. dinosaur fossils worldwide just above the layer of impact debris D. recovery of very large pieces of meteorite E. an Iranian deposit of reddish iron-bearing strata

Environmental & Atmospheric Sciences

Hurricanes are usually fueled by energy from ________

A) the jet stream B) frontal boundaries C) warm water D) midlatitude cyclones E) fast surface winds

Environmental & Atmospheric Sciences

Tianjin lies in the ________ industrial region of China

A) Hong Kong B) Sony C) Bohai Rim D) Minnan Delta

Environmental & Atmospheric Sciences