Abstract
The 2010 7.0 MW earthquake that struck southern Haiti had a devastating impact on the country. It is estimated that 230,000 people were killed, 300,000 injured, and 2 million displaced ( https://www.gao.gov/assets/660/658445.pdf ). Since that time, the city of Port-au-Prince, with approximately 3 million inhabitants, continues to expand at a fast pace. Accurate characterization of the regional earthquake hazard, particularly along the active Enriquillo Fault, is key to informing urban development and construction practices during the long reconstruction phase through which Haiti continues to progress. Our team recently showed that the seismic hazard map currently in use is significantly incomplete for the Port-au-Prince metropolitan area. This conclusion was reached based on the discovery of an overlooked component of north-south shortening along the Cul-de-Sac Plain to the north of the Massif de la Selle using space geodetic measurements from GPS. Therefore, new regional seismic hazard estimates are needed to better inform development in order to help lessen the devastating impact of future seismic activity.
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