⏰ when
When was the San Andreas Fault first identified as the source of a major earthquake?
Quick Answer
The 1906 San Francisco earthquake was the first major event to make the San Andreas Fault famous as a huge earthquake source.
The Full Story
The 1906 San Francisco earthquake was a turning point in earthquake science. It struck on 18 April 1906 with an estimated magnitude of about 7.9 and caused massive destruction. Geologists later mapped a surface rupture stretching for hundreds of kilometers along the San Andreas Fault. This disaster became one of the clearest early proofs that major earthquakes come from sudden fault movement.
Key Facts
1.San Francisco earthquake occurred on 18 April 1906
2.Estimated magnitude about 7.9
3.Surface rupture extended for hundreds of kilometers
YouTube Angle
Suggested video title for this topic:
"The earthquake that revealed California’s famous fault"
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