The aim is to give warnings over seismic activity that could lead to the sudden formation of new craters, which could potentially damage key industrial infrastructure.
Scientists rush to site of latest tundra eruption - which formed a crater 50 metres deep - amid fears for homes and key industrial sites.
Detailed study of satellite data has identified more than 200 lakes with active methane emissions.
The unexpected appearance of sinkholes or groundwater flooding is something to which residents have grown accustomed.
The bulges are caused when permafrost beneath the soil melts due to "abnormally warm" weather - allowing methane gas to escape and head to the surface
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It’s all about climate change, retreating glaciers, and newly exposed rock.
This tadpole-shaped gash in the Earth's surface - around one kilometre long, and 800 metres wide - is enlarging by up to 30 metres a year.
"After the fires killed 11 and devastated vast swaths of land in January many are asking if subsidised timber plantations are to blame"
River Erosion
Because ice makes up a good portion of the underground foundation of northern Alaska, thawing has dropped the landscape as much as 3 feet in some places.
Spruce Aphid (Elatobium abietinum) Damage
Alaskas tundra landscapes carpet a good portion of the state, from the North Slope to the elbow of the Alaska Peninsula. Researchers say it's slowly sinking in places -- as much as a fifth of an inch each year.
Early Rhubarb (Rheum rhabarbarum) Sprout
Pavlov Volcano provides spring show and showers
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