51.   The epicentre of the quake was located in the Pacific, the meteorological agency announced.

52.   The Japanese meteorological agency has issued a two-day alert to monitor volcanic activity around Mount Komagatake on the island of Hokkaido, prefectural government officials said.

53.   The meteorological agency warned that another major earthquake may hit the region.

54.   The meteorological agency issued a warning for a tsunami tidal wave on the Pacific coast of northern Japan.

55.   The meteorological agency said it dispatched a special research group to the peninsula to gather data and to mount intensive research there.

56.   The meteorological agency said it would set up extra earthquake gauges in the region and would mount intensive research there.

57.   The meteorological agency has issued a warning against heavy rain in the area.

58.   The meteorological agency issued a tidal wave alert for several hours along the Pacific coast.

59.   The meteorological agency official said it would continue monitoring the air above Tsukuba while analysing the latest data.

60.   The meteorological agency said Saturday that quakes were likely to continue for the time being, warning that a much stronger jolt may hit the area.