[Updated at 10:39 a.m. ET] The U.S. Geological Survey has revised downward the magnitude of Thursday morning's earthquake off Cuba to magnitude 5.1 from magnitude 6.0.
[Updated at 5:20 a.m. ET] A magnitude 6.0 earthquake hit off the southeastern coast of Cuba early Thursday, the U.S. Geological Survey reported.
The quake was centered 77 miles north of Montego Bay, Jamaica, and 370 miles southeast of Havana, Cuba. It hit at 4:43 a.m.
Forty-three minutes earlier, a magnitude 6.2 earthquake rumbled off the east coast of Japan, the USGS reported.Â No tsunami warning was issued.
Both quakes were shallow, striking at a depth of six miles.
And seven minutes before the Japan quake, a magnitude 6.0 quake was recorded off the coast of New Zealand, according to the USGS.