A 5.1-magnitude earthquake struck the Tonga Islands at 06:42 GMT on Monday, according the GFZ German Research Centre for Geosciences.

An earthquake with a magnitude of 5.7 jolted 214 km WNW of Hihifo, Tonga at 19:09 GMT on Friday, the U.S. Geological Survey said.

A 6.0 magnitude earthquake shook the Pacific island nation of Tonga on Thursday, authorities report, with no immediate tsunami warning issued.

A magnitude 5.3 earthquake struck west of Tongatapu, the main island of the Kingdom of Tonga, according to the Australian State Geological Bureau.

An earthquake with a magnitude of 6.4 jolted 137 km W of Neiafu, Tonga at 04:15:38 GMT on Wednesday, the U.S. Geological Survey said.