• Seismic activity under Pelée volcano, Martinique

    Seismic activity continues at slightly above background levels at Martinique's Pelée volcano. From May 28 to June 4, 2021, the L'Observatoire Volcanologique et Sismologique de Martinique (OVSM) registered at least 11 volcanic-tectonic earthquakes of…

  • NLC seasons getting longer, clouds moving farther south

    New data provided by NASA's AIM (Aeronomy of Ice in the Mesosphere) satellite mission shows that the first noctilucent clouds (NLCs) of summer have been trending earlier since 2007, when the spacecraft was launched. Each year, NLCs first appear in the Arctic and…

  • Massive sinkhole opens in southeastern Mexico

    A giant sinkhole measuring 80 m (262 feet) in diameter has opened up on a field in southern Mexico on Saturday, May 29, 2021. No damage or injuries were reported, but a nearby home is at risk of being swallowed as the gaping hole continues to expand rapidly each…