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A new "Image of the Week" features the opening of shipping season on St. Marys River between Michigan and Ontario. See #Landsat scenes of the frozen and then flowing river. Learn about shipping access through the Soo Locks: ow.ly/JNNC50VQY0g. #GreatLakes #LakeSuperior

#AmericanWetlandsMonth The Unvegetated-Vegetated Marsh Ratio computes national #saltmarsh vulnerability using satellite imagery from 1985-2023—a significant increase from the original 2014-2018 dataset. ow.ly/EjiY50VPyiR

For over 50 years, Landsat satellites have helped us see Earth in new ways, tracking wildfires, drought, farming and more. Operated by USGS, Landsat provides free data that fuels science, innovation and billions in economic benefits.

#Landsat is a remote sensing staple in agriculture. Check out an example of how Landsat is part of a solution to complex crop issues in California that saved one area’s farmers millions of dollars in water costs: ow.ly/n3oM50VQXGj.

High winds, low humidity, and dry conditions create the perfect ‘storm’ for wildfires. North of Duluth, Minnesota, recent blazes have prompted evacuations. #Landsat 8 captured this image of the Jenkins Creek and Camp House fires north of Duluth, MN on May 12th.

*Deadline approaching* Nominations for the 2025 William T. Pecora Awards are due May 30th! Nominate your deserving colleagues to be acknowledged for their innovative work, impactful research, and dedication to advancing Earth observation. 🌎 Learn more: ow.ly/Nuvg50UUaQ3.

Are you unsure what satellite bands you need for your research? Check out the interactive Landsat Spectral Characteristics Viewer - it will help you find the right band combination: ow.ly/xcQJ50VRp8R.

A recently published Landsat at Work story “Satellites Help Extinguish Wildfire Risk” digs into how LANDFIRE data and a 2023 grant helped the Douglas Electric Cooperative in SW Oregon clear trees near power lines to lessen wildfire risk. Read more: ow.ly/msO750VRiFQ.

The Earth Observing Satellites Online Compendium—developed by the USGS in partnership with JACIE—is a user-friendly web database filled with a host of information about #EarthObservation satellites. Explore it today: ow.ly/U0XN50TWRQO. #Landsat #EarthSatellites

#OTD 45 years ago, Mount St. Helens erupted, removing about 1,300 feet from the mountain’s height. Check out this USGS Earthshot to view #Landsat images before and after the volcano erupted to see how the landscape was changed forever. ow.ly/4El850VTbnk.

*NEW* A recently published study introduces the Big Multi-Agency Campaign (BigMAC), a comprehensive field exercise aimed at assessing current technologies to validate surface products derived from satellite imagery, such as #Landsat. Learn more: ow.ly/hPap50VV6Kz.

The Greer Fire in Arizona started May 13, 2025 and has burned more than 20K acres. The burn scar can is easy to see on the image captured by the #Landsat 8 satellite on May 20, 2025. The Landsat 9 image shows the area on April 26th before the fire began. #wildfire #arizona

The GOLD standard is the goal of the USGS EROS CalVal Center of Excellence #Landsat Cal/Val team. Experts focus on improving the accuracy, precision, calibration, & quality of data acquired by active Landsat missions publish their findings in reports: ow.ly/GH4J50VruLS.

On #National Maritime Day, Landsat images reveal the trails of ship traffic in major U.S. ports and harbors. Over 10 years of cloud-free imagery and #Landsat’s panchromatic band was used to create these images.

Landsat satellites serve as a tool for grape growers to monitor their water use. One large winery recognized the usefulness of Landsat early on to help tackle its ambitious goal of cutting water use by 50%, and now it’s halfway there. Learn more: usgs.gov/centers/eros/n…

Landsat satellites captured imagery of active fires in north-central Saskatchewan, described by the Saskatchewan Public Safety Agency as the “busiest, most active fire level” this early in the season. Future #Landsat data will help assess landscape impacts.

The Landsat Archive Dashboard lets us explore and examine the number and volume of Landsat Collection 2 Level-1 and Level-2 products held in the USGS archive. Check out the interactive dashboard to dig in: ow.ly/2lJH50SQk4C.

#Landsat 9 captured imagery of an area in southern Switzerland that was devastated by a landslide on May 28th. These natural color panchromatic-sharpened images show the area on May 13th, and again on May 29th.

What might be mistaken for dinosaur bones being unearthed at a paleontological dig are some of the individual reefs that make up the #GreatBarrierReef. Download the image here: ow.ly/6xl250S4wG2. #EarthAsArt #WorldReefAwarenessDay

Geometric and radiometric calibration are the backbone of #Landsat's exceptional data quality. The USGS and NASA Landsat Cal/Val Team monitors the geometric and radiometric performance of the instruments to maintain the highest level. Learn more here: ow.ly/h9r250W2vTv.