• Eruption detected at Semisopochnoi volcano, Alaska

    An eruption signature was detected at Semisopochnoi as strong tremor on local seismic and in regional infrasound networks on Adak Island, Alaska Volcano Observatory reported at 10:25 UTC on December 7, 2019. The event started at 09:26 UTC (00:26 AKST) on December 7…

  • Shallow M6.0 earthquake hits Tonga region

    A shallow earthquake registered by the USGS as M6.0 hit Tonga region at 13:04 UTC on December 6, 2019. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting the same magnitude and depth. The epicenter was located 164 km (101) WNW of Hihifo…

  • M6.0 earthquake hits Andreanof Islands, Alaska

    A strong and shallow earthquake registered by the USGS as M6.0 hit the Andreanof Islands, Aleutian Islands, Alaska at 05:01 UTC on December 2, 2019 (19:01 LT, December 1). The agency is reporting a depth of 27 km (16 miles). EMSC is reporting M6.0 at a depth of 60…

  • Massive avalanche surges down a road in Vallemaggia, Switzerland

    A huge avalanche spilled over a portion of the road near the town of Campo in the mountainous region Vallemaggia, Switzerland, on November 23, 2019. The dramatic footage was posted to social media by local authorities. The Federal Office of Meteorology had issued…

  • Deep M6.3 earthquake hits the Sea of Okhotsk, Russia

    A deep earthquake registered by the USGS as M6.3 hit the Sea of Okhotsk, Russia at 08:26 UTC on November 20, 2019. The agency is reporting a depth of 487 km (302 miles). EMSC is reporting the same magnitude and depth. This is the second M6+ earthquake of the day. It…