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Chile earthquake may have shortened days
Seventh strongest quake in recorded history may have shifted Earth's axis
This view of Earth comes from NASA's Moderate Resolution Imaging Spectroradiometer aboard the Terra satellite.
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getCSS("3053751") Understanding the quake, tsunami
Ready to rumble?
Learn about the roots of seismic activity — and find out where the hot spots are.
Big quake question: Are they getting worse?
Similarity to 2004 Indian Ocean quake
Newsweek: 10 deadliest quakes since 1900
Quake hotspots in the United States
Dangerous waves: How tsunamis work
Tsunami threat to U.S. West Coast
Tsunami warning system in action
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Seventh strongest quake in recorded history may have shifted Earth's axis
View related photos
var hasRelatedPhotos = 'false';if (hasRelatedPhotos=='true'){var vRPL = document.getElementById("viewRelatedPhotosLink");if (vRPL!=undefined) vRPL.style.display = "";var vLRPG = document.getElementById("linkRelatedPhotos");var vLIRPG = document.getElementById("linkImgRelatedPhotos");if (vLRPG) {if(vLIRPG) vLIRPG.href=vLRPG.href;}}NASA/JPL
getCSS("3053751") Understanding the quake, tsunami
Ready to rumble?
Learn about the roots of seismic activity — and find out where the hot spots are.
Big quake question: Are they getting worse?
Similarity to 2004 Indian Ocean quake
Newsweek: 10 deadliest quakes since 1900
Quake hotspots in the United States
Dangerous waves: How tsunamis work
Tsunami threat to U.S. West Coast
Tsunami warning system in action
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