SPACE SCIENCE AND ENGINEERING CENTER / NOAA / SCIENCE PHOTO LIBRARY SPACE SCIENCE AND ENGINEERING CENTER / NOAA / SCIENCE PHOTO LIBRARY
This dataset displays all of the earthquakes every hour from March 20, 2006 to March 27, 2006. Each earthquake is represented by a circle of varying size and colour. Yellow is for earthquakes less than 2 on the Richter scale, orange is for earthquakes with a magnitude 2 to 5 on the Richter scale and red is for earthquakes with a magnitude greater than five. The most recent earthquakes are the most opaque, and then as the day progresses they fade away. The diameter of the circle in kilometres is equal to the Richter scale value multiplied by 100.
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