WASHINGTON, Feb 13 (Reuters) - The U.S. Geological Survey (USGS) said on Friday there was no earthquake in western Russia after earlier reporting on its website a magnitude 6.8 near the border with Belarus.
USGS Geophysicist Paul Caruso said the agency's sensors mislocated an earthquake that was taking place elsewhere. The Russia earthquake appeared on the USGS website while a series of strong temblors were taking place in the middle of the Atlantic Ocean, some 700 miles (1,100 km) south of Greenland. (Reporting by Sandra Maler; Editing by Frances Kerry)
Size is magintude, larger size is more powerful. The colour seems to be how recent the quake was, with red being recent, fading to yellow as time goes by
Isn't it only when the sea bed is moved by a huge amount either dropping, or raising, thus moving huge amounts of water. So doesn't happen in all sea earthquakes.
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