• Tornado outbreak – Destructive tornadoes hit Texas and Oklahoma, leaving more than 100 000 customers without power

    Severe storms moving through the south-central U.S. on Friday, November 4, 2022, produced strong winds and heavy rain, hail and tornadoes in Texas, Arkansas and Oklahoma, leaving damage and injuring people. The threat of tornadoes, some intense, continued across the ArkLaTex region overnight on November 5 as the cold front passes through the southern Plains.

  • Reactivation of dormant Edgecumbe volcano, Alaska

    Researchers reporting in AGU’s Geophysical Research Letters show that the seismic swarm detected near Mt. Edgecumbe volcano in Southeast Alaska, U.S. in April 2022 was caused by magmatic activity taking place under this transform fault volcano previously considered dormant.

  • Two moderate earthquakes near Mauna Loa volcano, string of aftershocks, Hawai’i

    Heightened unrest continues under Mauna Loa, with two moderately strong earthquakes within 24 seconds on October 14, 2022, and a string of aftershocks that are still taking place. The unrest is likely caused by renewed input of magma into Mauna Loa’s summit reservoir system. The Alert Level remains at Advisory and the Aviation Color Code at Yellow.