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#quake

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The 1906 #earthquake was a turning point in #geology #history. #Science investigation and study revealed that quakes occur on fault lines, and the recently-discovered San Andreas Fault was the source of the 1906 SF #quake. Within decades it would contribute to understanding of plate tectonics, which is relevant to understanding quake hazards around the world. Modern understanding of quakes started there and then. earthquake.usgs.gov/earthquake

earthquake.usgs.gov1906 Marked the Dawn of the Scientific RevolutionUSGS Earthquake Hazards Program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards

119 years ago, April 18, 1906: M7.9 "Great San Francisco Earthquake & Fire". The quake actually struck all of coastal Northern California from a 280mi/450km rupture in the San Andreas Fault. SF water mains broke and the city couldn't put out fires that raged for days. Most other cities in the region maintained water service and extinguished their fires. It was at a time when SF was the big city on the US West Coast. 3000+ dead. en.wikipedia.org/wiki/1906_San #quake #earthquake #history #geology