October 1918 Puerto Rico, USA Images

At 10:14 am local time on October 11th, 1918, a magnitude 7.1 earthquake struck in Mona Passage, west of Puerto Rico. The shock was immediately followed by a tsunami with runup heights reaching 6 meters. Both the earthquake and tsunami caused widespread property damage with estimates beginning at $4 million in damage and more than 100 casualties. The greatest number of fatalities are attributed to the tsunami. NOTE: Images in this collection have been digitally altered in order to fix image damage, eliminate image noise caused by digitization, and recreate pixels to improve image resolution. Images provided courtesy of the University of Puerto Rico Mayaguez, Dept. of Geology, Puerto Rico Seismic Network and edited by Victor Figueroa.