I'm using this week's Sea-Floor Sunday to show a few simple maps of the region around the erupting Eyjafjallajokull volcano in Iceland. I don't have a photographic memory of the Earth's surface so I ...

BrianR at Clastic Detritus brought my attention to a new wonderful bathymetric map of the globe. Despite his questionable loyalty to volcanoes, Brian knows a good map when he sees one and I agree that ...

A bathymetric map is one concerning the floor or bottom of a body of water. It’s the wet equivalent of a topographical map. Combine this with humanity’s inherent taste in seaside real estate, and they ...

*Although the release of the 'Ocean' feature in newest GoogleEarth was last week, I still have a few other draft posts with great bathymetric images I wanted to get out. Plus, I haven' t had the time ...

Our knowledge of the depth and shape of the Arctic Ocean floor – its bathymetry – is insufficient. Owing to year-round sea-ice coverage and the cost of research in this remote region, much of the ...

It’s 1903 and Prince Albert I of Monaco is no longer feeling serene. He’s feeling jaunty and gonna map the f**k out of some oceans. Nothing makes my little heart go pitter-patter like a new data set.

No audio available for this content. For centuries before sonar, lidar and unmanned surface vehicles (USVs), sailors would measure depths by throwing a line overboard with a lead weight at the end — ...

When an organization sets out to map the sea floor, it will typically use a device known as a bathymetric lidar (Light Detection and Ranging) unit. These are large and can weigh almost 600 lb (272 kg) ...

This is a Synthetic Aperture Radar (SAR) map of Ontario Lacus, the largest lake in Titan's southern hemisphere. Radar altimeter tracks are plotted over SAR data and show that Ontario lies in a shallow ...