Recent Earthquakes

I created a web app the mapped recent earthquakes in the world based on data from the US Geological Survey (  To understand the potential impact of these earthquakes, I added a layer that showed the population of the world's major cities (Esri's World's Cities layer).  Some countries with large populations (China, India, Indonesia) lie in areas that are prone to earthquakes.  Some less populated countries (eg New Zealand) are also in earthquake prone areas.  The other observation is that there is significant and regular seismic activity in the Indian and Pacific Oceans especially when compared to the Atlantic Ocean.  Here is the web map that I created:

I also created an interactive web app based on this data.  To view the web app in all its glory, go here:

What conclusions can you draw from this data?

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