On August 5, 6 and 7, USGS EROS-hosted websites, data access portals and online services may experience temporary interruptions from 8 to 10 p.m. CDT each evening, as well as 9 a.m. to 5 p.m. Saturday, August 9. For more information visit

Good data helps make good decisions. And at USGS EROS, we have data galore! You can easily start exploring our Earth observation imagery, from satellite to aerial and more, plus science datasets here: .#Landsat

How can you tell what an area of rangeland could be like compared to its current condition? There’s a model for that! The RCMAP scientists at the USGS created an Ecological Potential dataset to serve as a baseline for comparisons since 1985. Data:

In need of a getaway, but it’s not the right time for a vacation? Then after this sneak peek, just take an hour to relax by exploring the world in our video of Landsat satellite images here:

RT @USGSLandsat: 💥DUE TOMORRROW!!💥.How do you use Landsat? Consider sharing your Landsat application stories in the 'Unlocking Value with….

Reliable #RemoteSensing data = better science. #JACIE evaluates Earth observation imagery to support land change research, mapping, and more. Learn more: #EarthObservation #DataQuality #USGS

Just released: Annual NLCD reference and validation data! The reference data includes 8,360 plots from 1984 to 2023. Validation results are provided yearly for 1985 to 2023. Learn more about Annual NLCD’s accuracy assessment:

RT @USGSLandsat: Did you know geomagnetic storms can be a real drag—literally?. When solar activity heats Earth’s atmosphere, it gets dense….

RT @USGSLandsat: In 1972, Landsat 1 asked an important question:.Can we manage Earth’s natural resources from space?. 53 years later, the a….

The launch of the Landsat 1 satellite OTD in 1972 started a legacy of Earth observation that continues today. It also inspired the creation of the EROS archive. But how did the USGS get involved in space? And why did EROS end up in SD? Answers here:

RT @USGS: What if the Fantastic Four worked at USGS? . We may not wear capes, but our scientists bring real-world superpowers to the field….

ICYMI: Learn how the EROS Cal/Val Center of Excellence evaluates the growing number of civil and commercial remote sensing satellites🛰️. #EarthObservation

RT @USGSLandsat: 🎉 The USGS EROS Center archive reached a milestone of one million Landsat 9 Level-1 products on July 13, 2025 (that’s over….

Have questions about Annual NLCD? We have answers! Check out our new FAQ with info about timings of upcoming releases (including Alaska and Hawaii), download details, differences from legacy NLCD datasets and more:

🚨 Need to keep up with scheduled maintenance, data product releases, and known issues ?.The new Data Notifications page at USGS EROS has you covered. 🔗

USGS EROS scientists recently completed 10 weekly expedited Exotic Annual Grass (EAG) maps for the sagebrush biome. The map series provides crucial info about the abundance of invasive grass species in rangeland ecosystems of the western U.S. Learn more:

Don’t miss the chance to learn about the AppEEARS tool in the webinar “Simplifying Geospatial Data Workflows with NASA's AppEEARS”! It's at noon CDT July 17. Guest speaker: contractor Nathan Roberts with the LP DAAC, a NASA data center at EROS. Register:

New release: Annual Tree Canopy Cover data for 1985-2023. This info from the USDA Forest Service Geospatial Office supplements the Annual National Land Cover Database (NLCD) for the lower 48 states produced at EROS. Explore the viewer and data here:

Thanks to the Civil Air Patrol’s North Central Region Cyber Academy for visiting EROS! 🌍 We enjoyed showing how Landsat satellites and cybersecurity work together to support science and public service. Learn more about visiting us at

RT @USGSLandsat: On Earth, clouds can be helpful. For an Earth-observing satellite in space, clouds block the view. A new publication asses….