Northeastern Japan was jolted by a series of strong earthquakes Saturday that caused hundreds of injuries, mudslides and blackouts, the Meteorological Agency said.
Three quakes all with focuses in northern Miyagi Prefecture, struck at around 12:13 a.m., 7:13 a.m. and 4:56 p.m. The second tremor was the strongest, with a magnitude of 6.2. The first measured 5.5 while the third had a strength of 5.3.
According to the National Police Agency, at least 421 people were confirmed hurt in the quakes. At least 23 people were reported as being seriously injured, the agency said.