Best of the blogs

By on 16 July, 2019

Mapping Ground Displacement from the California Earthquakes

The Map Room

This interferogram shows the ground displacement caused by last week’s earthquakes in southern California. Produced by NASA’s Jet Propulsion Laboratory, it’s based on synthetic aperture radar (SAR) images from JAXA’s ALOS-2 satellite taken both before (16 April 2018) and after (8 July 2019) the earthquakes.

OSM Coverage & Population Density

Maps Mania

Disaster Ninja is a map of global population density correlated to OpenStreetMap density. It shows the number of OpenStreetMap objects mapped compared to the local population density. The map can therefore be used to quickly identify populated locations around the world which have not been fully mapped on OSM.

Maps and Mappers of the 2019 Calendar: Aly Ollivierre

Geohipster

Geohipster interview with Aly Ollivierre, cartographer at National Geographic.

Bee Pollination

Map of the week

A selection of informative and alarming maps for pollination week.

NASA releases stunning image of ISS crossing in front of the sun

Big Think

NASA published a stunning photo showing the International Space Station cross in front of the sun. Strangely, the sun showed no sunspots at the time the photo was taken.

Studying Pond Growth in Nepal to Minimize Flood Risk

Sensing Change blog

In the Himalayas of Nepal, the increased depletion of glaciers has caused reserves of glacial ice to transform into glacial ponds and lakes, some containing millions of cubic meters of water. The change in the way this freshwater is stored has had a measurable effect on water availability in the small villages that populate the downstream region.

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