The 1906 San Francisco earthquake had a magnitude of 7.9 on the MMS scale. Around the same time there was an earthquake in South

Question

The 1906 San Francisco earthquake had a magnitude of 7.9 on the MMS scale. Around the same time there
was an earthquake in South America with magnitude 4.9 that caused only minor damage. How many times
more intense was the earth movement in San Francisco earthquake than the South American one?

Kunduz · Accepted Answer

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