Christchurch earthquake, shaking intensity map

Christchurch earthquake shake intensity map

Source: Robert Simmon, ALI data from the EO-1 Team and USGS Earthquake Hazard Program

This map, based on information from the U.S. Geological Survey’s Earthquake Hazard Program over-layed on satellite images indicates the intensity of the recent devastating Christchurch Earthquake in various locations around the Canterbury region.

The violence of the shaking is indicated by red coloured circles – the darker they are the more intense the shaking. As the image shows, the intensity was highest in the most densely populated areas of the city.

The Earth Observatory article points out:

It’s a modern human tendency to focus on the number of an earthquake—specifically, the magnitude, or what people used to call the “Richter scale.” But the destruction from a quake usually has more to do with location and timing. Such was the case with the earthquake in Christchurch, New Zealand, on February 22, 2011.

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