Icelandic authorities report that 7 of 22 salmon submitted for testing were confirmed as farmed escapees, caught in several North/West Iceland rivers. Tracing suggests six fish share a common origin in Dýrafjörður; investigations continue and anglers are asked to turn in suspect fish whole for analysis.

Heavy rain caused the Koyukuk River to flood Allakaket, prompting Alaska’s governor to declare a disaster, evacuations of residents, and emergency aid operations. Nearby areas also faced high water, with Denali National Park campgrounds briefly reopening before being closed again.

Police and fire crews responded Thursday night to a large jet fuel spill at Polar Oil near Nuuk’s harbor. About 7,069 liters leaked but were contained in a spill basin and mostly pumped back; police are investigating the cause.

Arctic AirService says a strong wind gust in the Kaldoaivi wilderness caused its floatplane to tip over while taxiing on a lake. The captain evacuated everyone, provided life jackets, and the group swam to shore; one person was checked at Kirkenes hospital.

Rescue teams assisted dozens of travelers in the Fjallabak/Landmannalaugar highlands as heavy rain and high water submerged roads. Advisories to avoid the area appear to have worked, with few vehicles present and all travelers getting through safely.

Record rains in Interior Alaska overwhelmed culverts and flooded the Dalton Highway near the Yukon River, closing the road between mileposts 112 and 156. Crews are responding, but there is no reopening estimate.

A 36-year-old woman was seriously injured in a suspected brown bear attack near her home on Chinook Drive in Kenai early Tuesday. Authorities are searching for the bear and urging residents to stay vigilant and secure attractants.

A sudden glacial outburst flood from a marginal lake near Langjökull sent water into the Svartá and downstream into the Hvítá in Borgarfjörður, peaking above 400 cm overnight before easing to just over 300 cm. Authorities warn further river flooding is possible in coming days, with increased landslide risk in southeast Iceland.

Fairbanks received 1.52 inches of rain in three days, setting a daily record on Aug. 24 and pushing area rivers toward crests early this week. The National Weather Service expects additional rain later in the week, with officials urging residents to prepare for high water.

A passenger, Emma, says a routine fast-ferry trip near Hammerfest turned dramatic when the vessel struck a whale; the whale was visibly injured with blood in the water.

Stockholm Vatten och Avfall warns that unusually high water temperatures in Lake Mälaren have strained water production, urging residents and businesses across multiple municipalities to conserve tap water immediately.

Unusually low waters in the Mackenzie River during late summer 2025, disrupting traditional and commercial river transport and indicating a shift from riverbed to riparian areas.

Reykjavík fire department responded to 18 water damage calls over two hours during heavy rain, including flooding in the basement of the Kjarvalsstaðir art museum.

An inspector from the Icelandic Fisheries Agency counted around 100 farmed salmon in the lower section of Haukadalsá, marking the largest occurrence of escaped farmed salmon in an Icelandic river, and plans are underway for removal operations including using anglers and Norwegian divers.

The flood reached a record-breaking crest of 16.65 feet at about 8 a.m. Wednesday. Water continues to seep into Valley neighborhoods.

Officials have indefinitely closed about 2.5 miles of popular biking, running and hiking trails in Far North Bicentennial Park and the Campbell Tract in East Anchorage due to heightened brown bear activity around salmon streams.

Tana and the rest of Finnmark are experiencing an unusual late-summer heat wave with temperatures around 30 °C, leading locals to swim in the warmed Tanaelva.

The drained lake basin near Kotzebue, Alaska, has rapidly transformed since 2024, now densely covered with vegetation and expanding erosion, revealing more ice and supporting a thriving ecosystem, highlighting significant environmental changes since the sudden drainage event in 2022.

Residents reported an unknown black streak in the waters of Great Slave Lake near Mosher Island; Fisheries and Oceans Canada confirmed it is likely ash, posing no risk to drinking water or wildlife.

Erosion is rapidly exposing the community water line. Recent efforts to stabilize the area proved ineffective as gravel is quickly washed away, threatening the water supply infrastructure.