6.6 magnitude earthquake in Tonga's 'Ring of Fire' prompts tsunami warnings, but no damage or casualties reported.

6.6 magnitude earthquake hits Tonga, prompting tsunami warnings; no damage or casualties reported. The quake occurred 198 km north of the capital, Nuku'alofa, and was located at a depth of 112 km. The Pacific Tsunami Warning Center determined that there was no risk of a tsunami. The earthquake took place in the Pacific 'Ring of Fire', a region known for its seismic activity and volcanic eruptions.