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natural science

Chile earthquake: 8.3-magnitude quake strikes off coast

on Thu, 09/17/2015 - 16:32

This post features an exploratory data visualization on the powerful 8.3-magnitude earthquake that struck off Chile's coast on Wednesday September 16, 2015.

Volcanic activity within the last 10,000 years

on Sat, 05/03/2014 - 20:11

This article and data visualizations explore the volcanic activity. A summary of some statistics about eruptions within the last 10,000 years and two new interactive visualizations that allow you to explore all recorded eruptions will be provided.

Satellite image of Volcano Mount Tambora, Indonesia which in 1892 had the largest eruption with a volcanic explosivity index (VEI) of 7. Image from Google Map

Volcanoes of the World

on Sun, 04/13/2014 - 17:32

This article and data visualization explores a total of 1,550 volcanoes registered by The Smithsonian Institution's Global Volcanism Program. It allows you to know where every volcano is located including latitude-longitude, region and country, and some of their characteristics, such as primary volcano type, dominat rock type, tectonic setting and elevation.

Earthquake hits off the coast of northern Chile

on Sat, 04/05/2014 - 17:33

This post provides information about the earthquake and aftershocks with magnitude higher than 2.5 on Richter scale that are hitting off the coast of Iquique, Chile since April 1st, 2014. It includes a visualization showing the geographic location and timeline of the earthquake and aftershocks, which serves to provide comprehensive and reliable information about this natural event to the general public.

The 2010 Haiti Earthquake: My first dashboard on Tableau Public

on Wed, 02/20/2013 - 04:21

The 2010 Haiti Erathquake
Celebrating the three years old of Tableau Public by sharing my very first dashboard published in Tableau Public. It was just on February 15, 2010, just when Tableau Public was four days old.

Registered meteorites that has impacted on Earth visualized

on Tue, 02/19/2013 - 02:46

Last week, on February 14, 2013 a meteorite struck Chelyabinsk, located in the Russian region of the Ural Mountains, about 1,500 kilometers (930 miles) east of Moscow. According to reports, about 10,000 people were injured due to its impact.

This article and data visualization allows to explore more than 34 thousands registered meteorite impacts on Earth back then from 2,500 BCE to 2012.

Virginia Earthquake, Aug 23, 2011

on Sat, 08/27/2011 - 01:56

An strong earthquake was felt in Washington Metropolitan Area this Tuesday August 23rd, 2011. According to reports, it was felt in most of the Mid Atlantic coast from South Carolina to Massachusetts.

A data visualization of the Virginia Earthquake 2011 is presented below. A dashboard including three views dynamically linked, two maps illustrating the location of the earthquake and aftershocks, and a time line chart that presents the moment in which the earthquake and aftershocks occurred.

Source: US Geological Survey (USGS)

More detailed information about the Virginia Earthquake 2011 is