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7.0 Quake Near Port Au Prince
This page contains archived content and is no longer being updated. At the time of publication, it represented the best available science. However, more recent observations and studies may have rendered some content obsolete.
January 13, 2010
At 4:53 p.m. local time on January 12, 2010, a 7.0-magnitude earthquake struck Hispaniola Island, just 15 kilometers (10 miles) southwest of the Haitian capital of Port-au-Prince. Besides its strong magnitude, the earthquake’s shallow depth of roughly 8.3 kilometers (5.2 miles) ensured that the densely populated capital suffered violent shaking.
This map shows the topography and tectonic influences in the region of the earthquake. Ocean areas appear in shades of blue, and land areas appear in shades of brown. Lighter colors indicate higher elevation on land and shallower depth in the water. Black circles mark earthquake locations determined by the USGS, and circle sizes correspond with quake magnitudes. Dozens of aftershocks followed the main quake. Red lines indicate fault lines.
The USGS reported that the earthquakes occurred along the boundary between the Caribbean and North America plates. The two tectonic plates meet at a strike-slip fault, with the Caribbean plate moving eastward with respect to the North America plate. The January 12 earthquake was the worst to strike the region in decades, and possibly well over a century.
According to news reports, schools, hospitals, government buildings, aid centers, and homes collapsed. Authorities reported that thousands were feared dead. Survivors scrambled to rescue trapped friends and family members without the benefits of electricity or phone service while more than 30 aftershocks rocked the area.
This map shows the region around the earthquake that struck the Haitian capital of Port-au-Prince on January 12, 2010. Blue areas indicate water and brown areas indicate land. Lighter colors indicate higher elevation or shallower depth. Circles indicate earthquake locations, with circle size corresponding to earthquake magnitude. Lines indicate faults.
On January 12, 2010, a 7.0-magnitude earthquake struck Hispaniola Island, just 15 kilometers (10 miles) southwest of the Haitian capital of Port-au-Prince. More than 30 aftershocks rocked the region over the next day.