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February 10, 2014 - One year and counting

One year and counting
Landsat 8
April 18, 2013
One year and counting large image
Landsat 8
April 18, 2013
One year and counting map
One year and counting
April 18, 2013
 

It's been a full year since Landsat 8 was launched. During this time, over 160,000 images have been acquired and made available for download to users worldwide. The April 18, 2013, subset above showing Mexico City, Mexico, is a portion of the most downloaded scene to date. The full scene can be viewed in the left column.  Another interesting aspect of this image is the active Popocatépetl volcano, southeast of Mexico City. More than 30 million people live within view of the volcano. For more examples of the extraordinary Landsat 8 images captured during its first year in orbit, go to landsat.usgs.gov.

December 19, 2013 - Landsat 8 Helps Reveal the Coldest Place on Earth

coldest place records
Landsat 8
July/August 2013
coldest place records
July/August 2013
 

What is the coldest place on Earth? It’s a high ridge in Antarctica on the East Antarctic Plateau where temperatures can dip below minus 133.6 degrees Fahrenheit (minus 92 degrees Celsius) on a clear winter night. 

Ted Scambos, a member of the Landsat Science Team, along with other researchers at the National Snow and Ice Data Center in Boulder, Colorado, discovered the lowest temperatures ever recorded on Earth using measurements from Earth-observing satellites, including Landsat 8’s Thermal Infrared Sensor (TIRS). The TIRS sensor can pick up thermal radiation emitted from the Earth's surface, even in areas lacking much heat. The study is an example of the intriguing science possible with Landsat 8 and the TIRS instrument.

More information about the coldest place on Earth can be found at http://science.nasa.gov/science-news/science-at-nasa/2013/09dec_coldspot.

November 15, 2013 - Pine Island - Breaking News

Landsat 7
January 25, 2011
Landsat 7
January 28, 2012
Landsat 8
November 13, 2013
Pine Island map
January 25, 2011 November 13, 2013
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A large iceberg has recently separated from the calving front of Antarctica’s Pine Island Glacier. The January 2011 Landsat satellite imagery above shows a series of splits along the western edge of the glacier. The same area in January 2012 shows a major break, and theNovember 13, 2013, image shows that the new iceberg (Iceberg B-31) has broken off and is moving away from the coast. Pine Island is one of the largest and fastest-moving glaciers in Antarctica. Satellite measurements have shown that the Pine Island Glacier Basin has a greater net contribution of ice to the sea than any other ice drainage basin in the world. Iceberg B-31 is estimated to be 35 kilometers by 20 kilometers (21 by 12 miles), roughly the size of Singapore, about 50 percent larger than previous icebergs in this area. 

November 14, 2013 - Flooding in the Philippines

Flooding in the Philippines before
Landsat 8
June 28, 2013
Flooding in the Philippines after
Landsat 7
November 11, 2013
Flooding in the Philippines map
Flooding in the Philippines before
Flooding in the Philippines after
June 28, 2013 November 11, 2013
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Typhoon Haiyan, also called Yolanda, struck the Philippines on Friday, November 8, destroying tens of thousands of homes and leaving more than 582,000 residents homeless, according to the Philippine government. The Landsat images above show some of the flooding caused by the typhoon along the Agno River on the island of Luzon. Over 2 million people live in the Agno River Valley.

For more information on this imagery, see the Image of the Week Gallery.

October 30, 2013 - Flooding in Cambodia

Flooding in Cambodia
Landsat 8
May 17, 2013
Flooding in Cambodia
Landsat 8
October 24, 2013
Flooding in Cambodia
Flooding in Cambodia
May 17, 2013 October 24, 2013
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Heavy seasonal rains in October 2013 were followed by Typhoon Nari, creating substantial flooding along the Mekong and Tonlé Sap Rivers in Cambodia. The flood affected over a half million people and is believed to have destroyed approximately 750,000 acres of rice fields. The Landsat 8 images above show the drastic landscape change before and during the flooding. For more information, see the Image of the Week Gallery.

September 25, 2013 - Colorado Flooding

Colorado Flooding before
Landsat 8
August 16, 2013
Colorado Flooding after
Landsat 8
September 17, 2013
Colorado Flooding map
Colorado Flooding before
Colorado Flooding after
August 16, 2013 September 17, 2013
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Parts of Colorado received nearly a year’s worth of rain in just one week in September 2013.  The flooded South Platte River affected the Front Range region including Fort Collins, Greeley, Loveland, Longmont, and Boulder.

For more information, see the Image of the Week Gallery

September 3, 2013 - Landsat 8 satellite sees Rim Fire from space

Rim Fire before
Landsat 8
August 15, 2013
Rim Fire After
Landsat 8
August 31, 2013
rim fire map
Rim Fire before
Rim Fire After
August 15, 2013 August 31, 2013
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Two recent images from the Landsat 8 satellite compare land conditions in the vicinity of Yosemite National Park, California, before (August 15) and during the Rim Fire (August 31). Started on August 17, the Rim Fire had burned over 219,000 acres by August 31 (an area nearly 15 times the size of Manhattan Island). Both images are false-colored using bands 6, 5, 4 to allow identification of critical vegetation and fuels information that will help firefighters and emergency managers. In the images fire appears bright red, vegetation is green, smoke is blue, clouds are white, and bare ground is tan-colored.

For more information, about Landsat imagery of the Rim Fire, see the USGS press release.

July 25, 2013 - The Stuart Creek 2 Fire

Stuart Creek 2 Fire Before Image
Landsat 8
May 26, 2013
Stuart Creek 2 Fire After Image
Landsat 8
July 13, 2013
Stuart Creek Map
Stuart Creek 2 Fire Before Image
Stuart Creek 2 Fire After Image
May 26, 2013 July 13, 2013
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The Stuart Creek 2 Fire started June 19, 2013, near Eielson Air Force Base in Alaska. When the Landsat 8 image above was captured on July 13, 2013, the fire had already burned nearly 85,000 acres. So far this summer, over 70 fires have destroyed more than 1 million acres in Alaska. Still noticeable on both images is the scar left by the 2012 Dry Creek Fire (on the left) that burned over 48,000 acres. 

For more information on the image, please go to the Image of the Week Gallery

July 11, 2013 - Texas Oil Field Expansion

Texas Oil Expansion
Landsat 5
June 1, 1984
Texas Oil Expansion
Landsat 8
June 1, 2013
Texas Oil Field Expansion map
Texas Oil Expansion
Texas Oil Expansion
June 1, 1984 June 1, 2013
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Oil and natural gas production are the primary industries for Odessa (left) and Midland (right) in western Texas. The Landsat 5 and Landsat 8 images above show the expansion of the oil industry in this region over the past 29 years. The white dots (oil well locations) increase noticeably between these two images.

Additional information about these Landsat images can be found in the Image of the Week gallery.

June 25, 2013 - Black Forest Fire

Black Forest Fire before
Landsat 7
April 27, 2013
Black Forest fire after
Landsat 8
June 22, 2013
Black Forest Fire map
Black Forest Fire before
Black Forest fire after
April 27, 2013 June 22, 2013
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Started on June 11, 2013, the Black Forest Fire near Colorado Springs, Colorado, (lower left) was the state’s most destructive wildfire in history, burning over 14,000 acres and destroying more than 500 homes. The images above show the area as seen from the Landsat 7 satellite (acquired April 27, 2013) and Landsat 8 satellite (acquired June 22, 2013). The burned area can easily be seen in red tones. 

Additional information about these Landsat images can be found in the Image of the Week gallery.

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