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Glacial motion can be fast (up to 30 metres per day (98 ft/d), observed on Jakobshavn Isbræ in Greenland) [1] or slow (0.5 metres per year (20 in/year) on small glaciers or in the center of ice sheets), but is typically around 25 centimetres per day (9.8 in/d).
From January 7 to 31, 2025, a series of 7 destructive wildfires affected the Los Angeles metropolitan area and San Diego County in California, United States. [5] The fires were exacerbated by drought conditions, low humidity, a buildup of vegetation from the previous winter, and hurricane-force Santa Ana winds, which in some places reached 100 miles per hour (160 km/h; 45 m/s).
There may be no motion in stagnant areas; for example, in parts of Alaska, trees can establish themselves on surface sediment deposits. In other cases, glaciers can move as fast as 20–30 m (70–100 ft) per day, such as in Greenland's Jacobshavn Isbræ. Glacial speed is affected by factors such as slope, ice thickness, snowfall, longitudinal ...
A fast-spreading wildfire that erupted this week about 45 miles northwest of Los Angeles roared from nothing to nearly 10,000 acres − in a matter of hours. The Hughes Fire that started Wednesday ...
The Palisades Fire burns a residence in the Pacific Palisades neighborhood of Los Angeles, on Jan. 7, 2025. Credit - Ethan Swope—AP. M ore than 100,000 residents have been forced to evacuate Los ...
Timelapse satellite video taken from space shows the rapid expansion of the California wildfires, offering a harrowing look at how quickly the blazes exploded over the last two days amid powerful ...
Pleistocene glaciers further accelerated this process and the larger ones transported the resulting talus and till from valley floors. Numerous vertical joint planes controlled where and how fast erosion took place. Most of these long, linear and very deep cracks trend northeast or northwest and form parallel, often regularly spaced sets.
The Bolam Glacier is a glacier situated on the northern flank of Mount Shasta, in the U.S. state of California. [2] [3] It is the second longest glacier in California behind the nearby Whitney Glacier, and the fourth largest and most voluminous after the neighboring Hotlum Glacier, Whitney Glacier, and Wintun Glacier. [4]