Intense thunderstorms hit Uruguay, causing severe flooding in Montevideo
Intense thunderstorms hit southern Uruguay on December 1, 2023, causing severe flooding and travel disruptions in Montevideo.
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Intense thunderstorms hit southern Uruguay on December 1, 2023, causing severe flooding and travel disruptions in Montevideo.

Multiple coronal mass ejections (CMEs) produced on November 27 and 28, 2023, impacted Earth on December 1, sparking G3 – Strong geomagnetic storm. Similarly to the last G3 storm, on November 5, spectacular aurora sightings were reported from both hemispheres.

Mount Etna, one of the world’s most active volcanoes, once again showcased its might with a striking paroxysmal eruption on the evening of December 1, 2023. The eruption was characterized by spectacular lava fountains and intense volcanic activity, visible from great distances and capturing widespread attention.

Strombolian activity continues at Etna’s Southeast Crater on November 30, 2023. Additionally, an M2.5 earthquake was recorded at 06:52 UTC today close to Piano Pernicana, ENE of the crater.

New activity/unrest was reported for 6 volcanoes from November 22 – 28, 2023. During the same period, ongoing activity was reported for 19 volcanoes.

Multiple coronal mass ejections (CMEs) produced on November 27 and 28, 2023 are heading toward Earth, with impacts expected from late November 30 to mid-day UTC on December 1, 2023. As a result, a G3 – Strong Geomagnetic Storm Watch is in effect for December 1.

A very strong solar flare measuring M9.8 erupted from Active Region 3500 at 19:50 UTC on November 28, 2023. The event started at 19:35 UTC and ended at 20:09 UTC.

On November 1, 2023, a new island was born approximately 1 km (0.62 miles) off the southern coast of Iwoto Island, Japan, following intense volcanic activity. This latest addition to the Ogasawara island chain, now nearly merging with Iwoto, was first identified by military personnel stationed there.

Eastern Europe is still grappling with the aftermath of Storm Bettina, a severe snowstorm that rapidly intensified over the Black Sea and impacted the region on November 26 and 27, 2023. Ukraine has reported significant casualties, with at least five deaths and 19 injuries in the Odesa region. The storm has not only disrupted life in Ukraine but also inflicted damage and caused fatalities in neighboring countries such as Moldova, Romania, Bulgaria, Turkey and Russia.

A strong and shallow earthquake registered by the USGS as M6.5 hit near the north coast of New Guinea, Papua New Guinea at 21:46 UTC on November 27, 2023. The agency is reporting a depth of 8 km (5 miles). EMSC is reporting the same magnitude and depth.