Going Back in Time: The Armero Tragedy

Last week we had a look at the Mocoa Landslide in Colombia. While doing research on that event, we came across a similar, but much bigger event known as the Armero Tragedy, also in Colombia, but it … [Read more...]

Watching North Korea from above

The most recent Google Earth imagery update included some images of Pyongyang dated April 22 and April 23, 2017. It's a pity they weren't from a week earlier as North Korea celebrated its 105th … [Read more...]

Calibration Targets 2: Edwards Air Force Base

A few weeks ago we had a look at some calibration targets used by the classified Corona spy satellites. Today we are looking at a set of calibration targets and other interesting features at Edwards … [Read more...]

A couple of observations about the new Google Earth’s imagery

When the new Google Earth was released, one of the first things we noticed was the faint Google copyright notices in white, which have long been a feature in Google Maps, but never before seen in … [Read more...]

Google Earth Imagery Update – Floods around the World

As we mentioned last week Google recently did an imagery update. The fresh imagery has now been pushed to 'historical imagery' and we are looking at three floods around the world. Lima, Peru We … [Read more...]

The Mocoa Landslide in DigitalGlobe imagery

According to Wikipedia, during the pre-dawn hours of 1 April 2017, locally heavy rain triggered flash flooding and landslides in the city of Mocoa, Putumayo, Colombia, killing at least 316 people, … [Read more...]

NASA updates ‘Black Marble’

NASA has recently released a new version of 'Black Marble', also known as 'Earth City Lights' or 'Earth at Night'. The new version is based on 2016 data. The last time they published it was in 2012. … [Read more...]

The new Google Earth imagery database

Yesterday we had a look at the differences between the Street View layers in the new Google Earth, Google Earth Classic and Google Maps - with emphasis on user contributed content. Since the new … [Read more...]

User contributed photos and the new Google Earth

One welcome improvement to the new Google Earth over Google Earth Classic is that the user contributed photos now work. For a long time, Google Earth Classic has shown the blue dots representing user … [Read more...]

The 2017 Queensland Floods in Sentinel-2 imagery

In late March, 2017, Tropical Cyclone Debbie crossed the eastern coast of Australia and then moved on to New Zealand. The heavy rainfall resulted in major floods all along its path. The floods were … [Read more...]