A magnitude 5.4 earthquake has struck Tonga at a depth of 122.8 km (76.3 miles), the quake hit at 17:06:43 UTC Saturday 31st March 2012 The epicenter was 116 km (72 miles) NNE of NUKU`ALOFA, Tonga No Tsunami Warning Issued - No Reports of Damage or Injuries at this time