The document summarizes a field report on the 2010 Mw 8.8 Great Chile earthquake presented by researchers from Humboldt State University and the National Weather Service. It describes key details of the earthquake including its date, magnitude, location, and impacts. Over 12.5 million people experienced strong shaking, infrastructure was disrupted over 800 km, and there were around 500 casualties and $30 billion in losses, representing 30% of Chile's GDP. The report also discusses Charles Darwin's observations of the 1835 Chile earthquake and includes photos documenting damage from the 2010 event.