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  • Record-Breaking Earthquake Swarm Hits Antarctica as Sleeping Volcano Awakens

    04/28/2022 11:12:45 AM PDT · by Red Badger · 15 replies
    https://www.sciencealert.com ^ | APRIL 28, 2022 | TIA GHOSE
    A long-dormant underwater volcano near Antarctica has woken up, triggering a swarm of 85,000 earthquakes. The swarm, which began in August 2020 and subsided by November of that year, is the strongest earthquake activity ever recorded in the region. And the quakes were likely caused by a "finger" of hot magma poking into the crust, new research finds. "There have been similar intrusions in other places on Earth, but this is the first time we have observed it there," study co-author Simone Cesca, a seismologist at the GFZ German Research Centre for Geosciences in Potsdam, told Live Science. "Normally, these...