earthquake.usgs.gov

LKnr TIL that the deadliest earthquake in recorded history struck Shensi province in China in 1556, killing about 830,000 people.
mrxy TIL that the largest earthquake to ever be recorded hit Chile in 1960, measuring M9.5. The earthquake lasted for 10 minutes with tsunamis of 8 & 10m. The fault rupture was 800km long, 1/50 of the circumference of the earth.
Q4oe TIL Some of the largest Earthquakes in US recorded history took place not in California, but in and around Missouri in 1811-1812. The area in which some of these quakes were felt was 10X larger than that of the infamous 1906 San Francisco Quake.