14. San Fransisco Earthquake 1906
San Fransisco, California was hit with an enormous 7.8 magnitude earthquake on April 18th, 1906 at 5:12 am. The earthquake had one of the highest possible ratings on the Mercalli intensity scale and more than 3,000 people were killed during the natural disaster. Fires continuously broke out for days making the area a living hell for those who resided there. To date, this is the worst natural disaster to hit the region and the photo shown above is evidence of a fraction of the damage done that day.