Tonga Geological Services is reporting increased volcanic activity at Home Reef volcano, urging all mariners to stay away at least 4 km (2.4 miles) from the volcano.
A strong earthquake registered by the USGS as M5.9 hit Tonga at 06:40 UTC on June 18, 2024. The agency is reporting a depth of 35 km (21.7 miles). EMSC is reporting the same magnitude and depth. The quake was initially reported as M6.0.
A strong earthquake registered by the USGS as M6.6 hit Tonga at 20:47 UTC on May 26, 2024. The agency is reporting a depth of 112.2 km (69.7 miles). EMSC is reporting M6.6 at a depth of 140 km (87 miles).
Volcanic activity increased at Tonga’s Tofua volcano at 09:56 LT on April 26, 2024, with very intense thermal emission detected by MIROVA.
A strong earthquake registered by the USGS as M6.4 hit Tonga at 22:12 UTC on January 18, 2024 (11:12 LT, January 19). The agency is reporting a depth of 218 km (135 miles). EMSC is reporting the same magnitude and depth.
A strong earthquake registered by the USGS as M6.1 hit the Tonga region at 06:33 UTC on December 11, 2023. The agency is reporting a depth of 238 km (147 miles). EMSC is reporting the same magnitude and depth.
A strong earthquake registered by the USGS as M6.9 hit the Tonga region at 10:27 UTC on July 2, 2023. The agency is reporting a depth of 225 km (139.8 miles). EMSC is reporting M6.7 at a depth of 224 km (139.1 miles).
A shallow earthquake registered by the USGS as M6.0 hit south of Tonga at 07:16 UTC on June 25, 2023. The agency is reporting a depth of 7.1 km (4.4 miles). EMSC is reporting M6.0 at a depth of 49 km (30 miles).
A shallow earthquake registered by the USGS as M6.2 hit the Tonga region at 19:10 UTC on June 16, 2023. The agency is reporting a depth of 20.5 km (12.7 miles). EMSC is reporting M6.3 at a depth of 60 km (37.3 miles).
A shallow earthquake registered by the USGS as M6.0 hit south of the Fiji islands at 08:11 UTC on June 16, 2023. The agency is reporting a depth of 22 km (13.7 miles). EMSC is reporting M6.0 at a depth of 30 km (18 miles).
