Tohoku Earthquake movie
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Movie of the 2011 Tohoku Earthquake and its aftershocks

Tohoku Earthquake movie

On March 11, 2011 a magnitude 9 earthquake occurred off the coast of Japan, generating a massive tsunami that caused major damage to infrastructure and loss of life. The magnitude 9 earthquake was followed by thousands of smaller earthquakes known as aftershocks in the hours after the earthquake. The magnitude of aftershocks is known to decrease exponentially after the main shock and can be seen in the data set. Using earthquake data provided by the ANSS database, Ville Juutilainen, Gayane Petrosyan, Sean Mathew Lawrence and I worked on the Japan Earthquake Movie. It allows the user to choose the plot they want to see while the movie plays. The first default is the plot shown above that displays Magnitude vs. Time. The other shows Depth vs. Profile Length. The Depth vs. Profile length option allows the user to select two points to define a profile. Points within a certain distance defined by the user are plotted on the map and on the plot. The user must select two points to see the plot. The code is written in Javascript, taking advantage of the D3 framework. You can access the code in my github repo. The code has been tested for Chrome, but has yet to be tested for other browsers.