Seeing a tornado track with Landsat imagery

We have looked at the paths of destruction caused by tornadoes in Google Earth imagery a number of times before. Nearly every one of the tornadoes we have looked at in the US occurred in the months of … [Read more...]

Working with Landsat imagery

We recently came across this image from NASA's Earth Observatory, which shows smoke from fires on the island of Sumatra, Indonesia. Given the scale of the phenomena we thought it should be visible in … [Read more...]

Tracking wild fires in Google Earth

It is fire season in the western states of the US and one recent fire in California has been named the fourth most destructive in California's history. US president Obama has declared it a major … [Read more...]

Getting Landsat 8 imagery into Google Earth

When Landsat 8 imagery was made available on Amazon AWS our first question was: 'how easy will it be to view it in Google Earth?'. This is our experience trying to answer that question. The Landsat 8 … [Read more...]

Google Earth’s ‘background’ imagery

As we have discussed before Google Earth shows different imagery depending on the zoom level and whether or not you are in 'historical imagery' mode. We have also talked about how the ocean bathymetry … [Read more...]

Beautiful Satellite Imagery we won’t be Seeing in Google Earth

The imagery in Google Earth is carefully selected to be as cloud-free and snow-cover-free as possible. This makes for a good, clear picture of features on the ground, but it does mean we are missing … [Read more...]

Landsat data now on Amazon Web Services

The Landsat program is a joint initiative between the U.S. Geological Survey (USGS) and NASA. For a more in-depth look at the Landsat program and its history see this pdf. The Landsat program has four … [Read more...]

First images from Landsat 8 begin to roll in

We told you earlier this year about the launch of the Landsat 8 satellite and now the first images captured by that satellite are starting to arrive. NASA's Landsat Data Continuity Mission (LDCM) … [Read more...]