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Fracking is believed to be a major source of (minor) earthquakes. This article didn't even mention it.

• goda90 2y ago
  It seems the fracking wastewater disposal is considered the bigger source to be specific: https://www.usgs.gov/faqs/does-fracking-cause-earthquakes https://www.usgs.gov/faqs/does-fracking-cause-earthquakes
• msrenee 2y ago
  It probably wasn't the cause in 1811.