A magnitude 5.0 earthquake struck Tsetserleg soum in Khövsgöl Province, Mongolia, at 5:14 p.m. on October 21, 2025. The epicenter was southeast of Tsetserleg and near the borders of Tsagaan-Uul (Khövsgöl) and Tosontsengel (Zavkhan).

A ranger in Mongolia’s Khoridol Saridag Strictly Protected Area found a dead Altai mole (Talpa altaica), a rarely seen species with a restricted range. Though globally listed as Least Concern by IUCN, the species is considered endangered in Mongolia due to habitat loss and disturbance.

Over the past five days, Mongolia’s National Emergency Management Agency reports that 12 of 22 recorded forest and steppe wildfires across multiple aimags have been fully extinguished, with four fires still active.

Mid-July river levels in Central Mongolia rose above flood thresholds, prompting emergency patrols and safety advisories; 14 drowning fatalities were reported during Naadam festivities.

A lack of snow in Finland's far north has disappointed tourists and snowmobile safari operators alike.

A lack of snow in Finland's far north has disappointed tourists and snowmobile safari operators alike.

Strong winds and blizzard conditions in Ulukhaktok, N.W.T., knocked down power lines Saturday, causing a community-wide outage. NTPC partially restored power early Sunday, with crews arriving later to assess and repair damage; warming shelters opened at the school and health centre.

Mowi Canada East reports 166,262 farmed salmon died at two sites near Chaleur Bay on Newfoundland’s south coast, blaming repeated sea lice infestations intensified by warm surface waters, low freshwater runoff, and calm winds. The incident follows earlier 2025 mass mortalities linked to a thermocline inversion and warm, low-oxygen conditions.

A polar bear repeatedly entered Grise Fiord over four days, including after Halloween. After non-lethal deterrents failed, a local hunter shot and harvested the bear on Monday night.

A provincewide drought in Nova Scotia has dried up brooks and streams, stranding trout and white suckers and stressing native fish, while a woods ban limits access to assess impacts. Warmer water favors invasive chain pickerel, and restoration work is paused; Atlantic salmon migration is also being blocked by low flows.

Residents in Old Crow, Yukon were evacuated to a local school early on May 24 after Porcupine River levels rose sharply, but returned home later the same day as flood risk diminished under an ongoing evacuation alert.

Butternut canker, a fast‑spreading fungal disease with no known cure, has been detected in multiple locations on Prince Edward Island; Islanders are urged to take precautions to limit spread.

Pyrocumulus clouds formed near Snow Lake, Manitoba, creating thunderstorm-like conditions that posed significant risks to firefighting efforts against nearby wildfires.

A fish harvester photographed a pitch-black iceberg over 100 km off Labrador in mid-May, prompting social media buzz; a Memorial University professor suggests the ice may be 1,000 to 100,000 years old, its dark hue from ancient sediment or volcanic/meteorite dust.

A persistent heatwave in Finland is fueling dense blue-green algae blooms in the Baltic Sea’s Gulf of Finland and Archipelago Sea, with freshwater sightings remaining stable.

Multiple wildfires across Finnish Lapland this week prompted dozens of rescue responses, with Border Guard and Defence Forces helicopters assisting amid dry conditions and an open fire ban.

Warm, dry weekend conditions in Manitoba increased wildfire behaviour across nearly all active blazes, prompting evacuations, air quality warnings and challenges for aerial suppression.

Temperatures in Rovaniemi exceeded 30 °C this week, drawing coverage from Reuters and CNN as the Finnish Meteorological Institute warned that Lapland’s all-time heat record could be broken.

A storm surge and strong winds pushed tides to the edge of the waterfront road in Iqaluit on Friday morning. Environment Canada had warned of higher-than-normal tides and possible flooding of ground-level spaces.

A caribou in Nunavut, which unusually attacked heavy equipment, tested positive for rabies, prompting health officials to warn against handling or consuming meat from infected animals and to report any animals showing rabies symptoms.