Hurricane Erin made its closest approach to the U.S. coast overnight on August 19–20, 2025, closing part of North Carolina Highway 12 and prompting evacuations in coastal counties. Over 70 rip current rescues were reported along North Carolina beaches as the system brought storm surge, coastal flooding, and overwash to the Outer Banks.
Intense rainfall on August 20, 2025, caused severe flooding across the Guadalajara metropolitan area, Mexico, disrupting transport, stranding vehicles, and damaging at least 51 homes, according to municipal reports.
The Alaska Volcano Observatory lowered the Volcano Alert Level for Mount Spurr to Normal and the Aviation Color Code to Green at 10:07 AKDT (18:07 UTC) on August 20, 2025, following a gradual decline in unrest and the absence of ground deformation since March 2025.
A large landslide occurred in the village of Imerovigli on the island of Santorini, Greece, at 15:30 LT (12:30 UTC) on August 20, 2025, collapsing part of the volcanic caldera cliff and generating a dense dust cloud over the area.
Mount Ruapehu Crater Lake is warming again, with temperatures rising to 16°C (61°F) by August 19, 2025. The Volcanic Alert Level remains at 1, indicating minor volcanic unrest.
A heat burst struck Spain’s Costa Tropical on August 17, 2025, prompting beach evacuations in Motril, Salobreña and Torrenueva Costa as the temperature spiked to 40.1°C (104°F) and wind gusts reached 87 km/h (54 mph), according to AEMET and local authorities.
Wildfires burning since August 9, 2025, have scorched about 382 600 ha (945 000 acres) in Spain and at least 216 200 ha (534 000 acres) in Portugal, killing six people and forcing tens of thousands to evacuate.
New lava flow from Mount Etna’s summit is advancing along the southern flank, reaching an elevation of about 2 270 m (7 450 feet). The most advanced front is now located about 2 km (1.24 miles) from the Altamontana trail, a major access route used for monitoring and hiking, following effusion that began on August 9, 2025.
An unusually strong summer atmospheric river made landfall over the Pacific Northwest late on August 14, 2025, reaching AR 3 along the Washington coast and producing 75–200 mm (3–8 inches) of rain across parts of western Washington.
Sydney has recorded more than 9 300 mm (366 inches) of rain since January 2020, marking the highest six‑year total since systematic measurements began in 1858.
