• Strong and shallow M6.1 earthquake hits Tonga

    ByTeo Blašković

    A strong and shallow earthquake registered by the USGS as M6.1 hit Tonga at 17:34 UTC on April 19, 2026. The agency is reporting a depth of 36 km (22.4 miles). EMSC is reporting the same magnitude and depth.

  • Major M7.5 earthquake hits Tonga region

    ByRishav Kothari

    A major earthquake registered by the USGS as M7.5 struck Tonga at 04:37 UTC on March 24, 2026. The agency is reporting a depth of 237.5 km (147.6 miles). EMSC is reporting M7.6 at a depth of 218 km (135.5 miles). According to available data, there is no tsunami threat from this event.

  • Strong and shallow M6.2 earthquake hits Tonga

    ByRishav Kothari

    A strong and shallow earthquake registered by the USGS as M6.2 hit Tonga at 06:15 UTC on March 22, 2026. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting the same magnitude and depth.

  • Strong M6.0 earthquake hits Tonga

    ByRishav Kothari

    A strong earthquake registered by the USGS as M6.0 struck near Hihifo, Tonga at 09:28 UTC on March 8, 2026. The agency is reporting a depth of 116.8 km (72.6 miles). EMSC is reporting M6.0 at a depth of 117 km (72.7 miles).

  • Satellite data show continued expansion of Home Reef volcano in Tonga

    ByTeo Blašković

    Satellite monitoring confirms that Home Reef volcano in Tonga remains active nearly two months after its latest eruption began on December 17, 2025. The eruption has expanded the island’s surface area by nearly 8 ha (20 acres) as lava flows extended its margins east, south, northwest, and north.

  • Eruption at submarine Home Reef volcano, Tonga

    ByRishika Yadav

    A new eruption was observed at Home Reef submarine volcano in Tonga through satellite imagery acquired on December 7, 2024. This marks the second eruptive phase at Home Reef volcano this year.