An earthquake hit the Republic of Haiti (hereafter, "Haiti") at 16:53 local time, January 12, 2010 (UTC: 21:53, Japan time: 06:53 on January 13). The epicenter of the earthquake was 25 km west-southwest of the Haitian capital of Port-au-Prince, and had a magnitude of 7.0 (according to a release by the United States Geological Survey, hereafter "USGS"). This was the first time since 1860 that an earthquake of this magnitude had hit Haiti.
According to USGS' preliminary reports on the earthquake, the epicenter was located at a latitude of 18.457 degrees, longitude of 72.533 degrees west, and had a depth of 13 km. The earthquake was thought to have occurred as a result of a left-lateral strike slip motion along the Enriquilla-Plantain Garden Fault.
As a result of the large magnitude of 7.0 and the shallow epicenter in the earth’s crust, the earthquake wrought massive damage to Haiti. According to the United Nations Office for the Coordination of Humanitarian Affairs, as of January 22, the Haitian government has confirmed 111,481 fatalities, making this the first single earthquake of such a large-scale in recent years.
Imaging Using TerraSAR-X (Synthetic Aperture Radar)
PASCO analyzed images acquired by the synthetic aperture radar satellite "TerraSAR-X," which also included the Haitian capital, Port-au-Prince, located near the epicenter. We then estimated the damage incurred in affected areas, such as collapsed buildings in the city.
This map shows an attempt to assess the degree of damage, based on images acquired on October 13, 2009 and January 20, 2010, respectively, after the earthquake. The focus was placed on differences in backscattering intensity arising as a result of changes in buildings and other factors.
|Acquisition dates and times||:||October 13, 2009, 10:44 (UTC)
January 20, 2010, 10:44 (UTC)
|Angle of incidence||:||39.1°|
|Acquisition orbit||:||Descending orbit|
|Polarized wave||:||Single polarization (HH)|
These areas of changes could represent scattered rubble of roads and buildings damaged in the earthquake.
History of Information Released
From the perspective of understanding the damage situation caused by the disaster, and of providing information to the relevant organizations, PASCO carried out estimations for the areas of damage immediately utilizing SAR satellite images, which are not impacted by weather conditions.
We express our deepest sympathy to all who have been affected by the disaster.
We will strive even harder to be of service to all through the application of our spatial information processing and analysis technologies, as well as through our disaster prevention consulting expertise, in order to obtain accurate information on the disaster situation and assist in the recovery of the affected areas.
< TerraSAR-X : InfoterraGmbH, Distribution [PASCO] >
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