Aftershocks Affect Port-au-Prince and Petit-Goâve, Haiti – January 24th, 2010
This orthorectified image focuses on Port-au-Prince, Haiti, on the shores of Port-au-Prince Bay. A massive earthquake occurred inland, on 12 January 2010, approximately 25 kilometres (16 mi) west-southwest from Port-au-Prince at a depth of 13 kilometres (8.1 mi) at 16:53 UTC-5 on the Enriquillo-Plantain Garden fault system.
The United States Geological Survey (USGS) recorded six aftershocks in the two hours after the main earthquake. The aftershocks were at magnitudes of approximately 5.9, 5.5, 5.1, 4.5, and 4.5. Within the first nine hours 26 aftershocks of magnitude 4.2 or greater were recorded, 12 of which were magnitude 5.0 or greater.
On 20 January at 11:03 UTC, the date this image was taken, the strongest aftershock since the earthquake, measuring magnitude 5.9 Mw, struck Haiti. The U.S. Geological Survey reported its epicentre was about 56 kilometres (35 miles) WSW of Port-au-Prince, which would place it almost exactly under the city of Petit-Goâve. A UN representative reported that the aftershock collapsed seven buildings in Petit-Goâve.
Workers from the charity Save the Children reported hearing “already weakened structures collapsing” but most sources report no further significant damage to infrastructure in Port-au-Prince. Further casualties are thought to be minimal because people had been sleeping in the open.