The Weekly Volcanic Activity Report: April 30–May 6, 2025
New activity/unrest was reported for 6 volcanoes from April 30 to May 6, 2025. During the same period, ongoing activity was reported for 20 volcanoes.
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Explosions and pyroclastic flows at Santa Maria volcano, Guatemala
High-level explosive activity at Santa María’s Santiaguito dome complex on May 6, 2025, produced ash plumes up to 900 m (2 950 feet) above the crater and pyroclastic flows down the southern and southwestern flanks.
Asteroid 2025 FA22 enters top 5 ESA’s impact risk list
A newly discovered asteroid, 2025 FA22, has climbed into the top five positions of the European Space Agency’s (ESA) risk list due to its low but measurable chance of striking Earth in 2089. During the first four months of 2025, more than 1 000 new NEOs have been discovered, in line with the recent average of about 3 000 per year.
Extensive damage reported after suspected tornado hits Guadeloupe
A suspected tornado caused structural damage in Baie-Mahault, Guadeloupe, on May 4, 2025, with impacts concentrated in the Belcourt neighborhood. No fatalities have been reported.
Shallow M6.0 earthquake hits southern East Pacific Rise
A shallow earthquake registered by the USGS as M6.0 hit the southern East Pacific Rise at 03:55 UTC on May 5, 2025. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting the same magnitude and depth.
Shallow M5.4 earthquake, series of aftershocks hit Texas–New Mexico border region
A shallow earthquake registered by the USGS as M5.4 struck Culberson County, Texas, near the New Mexico border, at 01:47 UTC on May 4, 2025 (20:47 LT on May 3). The agency reports a depth of 7.5 km (4.6 miles). The earthquake occurred in an area of intense oil and gas activity within the Permian Basin.
Powerful M7.4 earthquake hits near the coast of Argentina, hazardous tsunami waves possible
A very strong earthquake registered by the USGS as M7.4 hit Drake Passage, near the coast of southern Argentina, at 12:58 UTC on May 2, 2025. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting the same magnitude and depth.
The Weekly Volcanic Activity Report: April 23–29, 2025
New activity/unrest was reported for six volcanoes from April 23 to 29, 2025. During the same period, ongoing activity was reported for 21 volcanoes.
Mount Etna eruption intensifies with lava fountains and ash emissions, Italy
Strombolian activity at Mount Etna’s Southeast Crater evolved into lava fountaining on April 30, 2025, producing ash emissions and prompting a temporary elevation of the Aviation Color Code to Red. This was the 11th eruptive episode at Etna since March 15.
Strong M6.8 earthquake hits Macquarie Island region
A strong and shallow earthquake registered by the USGS as M6.8 hit the Macquarie Island region at 14:53 UTC on April 29, 2025. The agency reports a depth of 4.5 km (2.8 miles). EMSC is reporting M6.8 at a depth of 10 km (6.2 miles). Macquarie Island is located about halfway between Antarctica and New Zealand.
