An undersea volcanic eruption near the Pacific nation of Tonga triggered a tsunami warning across the islands and for some parts of Japan on Saturday, AP reports.
The big picture: Tsunami advisories have also been issued for the West Coast of the United States — spanning from the Oregon and California border to the California and Mexico border — and Hawaii, according to the Pacific Tsunami Warning Center.
Global warming became local to a new and devastating extent in 2021, with the year ranking as the sixth-warmest on record, according to new, independent data from NASA, NOAA and Berkeley Earth.
Why it matters: Each year's data adds to the relentless long-term trend, which shows rapid warming due overwhelmingly to human-caused greenhouse gas emissions during the past several decades in particular.
Scientists have discovered a massive breeding colony of icefish in Antarctica's southern Weddell Sea.
The big picture: Groups of up to 60 icefish nests have been spotted before, but researchers have now found an estimated 60 million active nests, which is believed to be the largest ever seen.