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The UN has launched an appeal for $562m (£346m), to help victims of Tuesday's devastating earthquake in Haiti.
UN humanitarian chief John Holmes said the funds were intended to help three million people for six months.

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Weston Observatory recorded seismic waves from quake

With world attention fixed on Haiti's devastating earthquake for a third day, staff at a local geophysical lab again fielded calls yesterday, keeping their institution in the regional spotlight.
Opened in 1930 before moving to Concord Road in the late 1940s, Boston College's Weston Observatory is a fixture in both regional and worldwide earthquake detection networks. When a magnitude-7 quake struck six miles from Haiti's capital Tuesday, the initial seismic waves reached the lab within six minutes and were recorded.
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Signals from the Haiti earthquake were accidentally picked up at the University of Bristol by geophysical instrumentation normally used to monitor volcanoes.
Based in his office in the Wills Memorial Building of the Earth Sciences Department, Dr Joachim Gottsmann recorded incoming seismic waves from the earthquake. It took the waves 20 minutes or so to travel to Bristol from the earthquake's hypocentre below Haiti.

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New satellite maps of Haiti coming in

As rescue workers scramble to provide assistance to hundreds of thousands of people following Haiti's earthquake, Earth observation satellite data continues to provide updated views of the situation on the ground.
Following the 7.0-magnitude earthquake that hit Haiti on 12 January, international agencies requested satellite data of the area from the International Charter on 'Space and Major Disasters'.

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First satellite map of Haiti earthquake
Port-au-Prince, Haiti
Port-au-Prince, Haiti

A major 7.0-magnitude earthquake struck the Haitian capital of Port-au-Prince on 12 January, causing major casualties and damage. The quake was followed by several aftershocks with magnitudes over 5.0.
Such a powerful earthquake can make current maps suddenly out of date, causing additional challenges to rescue workers on the ground. Earth observation satellite images can help rescue efforts by providing updated views of how the landscape and the infrastructure have been affected.

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Fault produces its biggest quake since 1751.

At 21:53 UTC yesterday, an earthquake of magnitude 7.0 struck the Caribbean nation of Haiti. The US Geological Survey (USGS) says that it was the most violent earthquake to strike the impoverished country in a century. Nature  examines the causes and repercussions of the quake.
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Erdstob hatte Wucht eines 100 Meter dicken Meteoriten

Es ist das schlimmste Beben in Haiti seit Jahrhunderten - Geologen hatten mit einem schweren Schlag gerechnet. Die Inselwelt der Karibik wird zwischen zwei Erdplatten langsam zerrieben. Das Ergebnis ist eine Vielzahl von Risikozonen in dem Gebiet.
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Satellite imagery of Haiti Earthquake

Haiti-Earthquake-nl.kml (1kb,kml)

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The FBI is reminding potential donors to causes helping the victim's of Haiti's massive earthquake to apply a critical eye to requests for donations. According to the Bureau, some solicitors during past tragedies and natural disasters have claimed to be with a charitable organization, but have been really stealing people's money.
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As many as 100,000 people are feared dead after a 7.0 magnitude earthquake struck Haiti yesterday.

"This quake was magnitude 7, equivalent to the energy release of about half a megaton of TNT. Earthquakes of this size can cause relatively slight damage in well-designed and constructed buildings, but considerable destruction in poor ones. The last major earthquake in this part of Haiti was 1860; in 1692, a major earthquake in Jamaica caused 2000 deaths" - Prof Roger Searle, Earth Sciences Department at Durham University.

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