A series of earthquakes, including one with a preliminary magnitude of 5.0, jolted Ishikawa Prefecture and neighboring prefectures early Monday, AFP quoted the Japan Meteorological Agency as saying.

No tsunami warnings were issued.

There were no immediate reports of casualties or damage from the M5 quake, which occurred at 3:45 a.m., and two other temblors at 4:23 a.m. and 6:27 a.m.