7.0 Quake Near Port Au Prince
acquired January 13, 2010
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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.

  1. References

  2. BBC. (2010, January 13). Haiti quake: The worst of places for a big tremor. Accessed January 13, 2010.
  3. United States Geological Survey. (2010, January 13). Latest Earthquakes in the World – Past 7 days. and Magnitude 7.0 – Haiti Region (2010 January 12 21:53:09 UTC). Accessed January 13, 2010.
  4. Romero, S., Lacey, M. (2010, January 13). Haiti chief says thousands may be dead. The New York Times. Accessed January 13, 2010.

NASA Earth Observatory image by Jesse Allen, using earthquake and plate tectonics data from the USGS Earthquake Hazard Program, elevation data from the Shuttle Radar Topography Mission (SRTM) courtesy of the University of Maryland’s Global Land Cover Facility, and ocean bathymetry data from the British Oceanogprahic Data Centre’s (BODC) General Bathymetric Chart of the Oceans (GEBCO). Caption by Michon Scott.

Instrument(s): 
Space Shuttle - SRTM

7.0 Quake Near Port Au Prince

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