Green earthquake (Magnitude 5.7M, Depth:265.922km) in Tonga 01/07/2026 21:13 UTC, 10 thousand in MMI>=II.. On 7/1/2026 9:13:41 PM, an earthquake occurred in Tonga potentially affecting 10 thousand in MMI>=II. The earthquake had Magnitude 5.7M, Depth:265.922km.