How did the monthly count of magnitude 6+ earthquakes worldwide change from 2009 to 2012?
This is a real historical chart. Extraplot shows you the beginning and asks you to draw what happens next, then reveals the actual line. Below is the full series with the reveal point marked.
Solid line = visible part you would draw from · dashed violet = the actual revealed data after the cutoff.
The reveal
After the cutoff (Jul 2010), the actual values were:
| Date | Actual value |
|---|---|
| Aug 2010 | 17 |
| Sep 2010 | 10 |
| Oct 2010 | 8 |
| Nov 2010 | 6 |
| Dec 2010 | 13 |
| Jan 2011 | 14 |
| Feb 2011 | 13 |
| Mar 2011 | 73 |
| Apr 2011 | 14 |
| May 2011 | 5 |
| Jun 2011 | 11 |
| Jul 2011 | 19 |
| Aug 2011 | 13 |
| Sep 2011 | 15 |
| Oct 2011 | 10 |
| Nov 2011 | 12 |
| Dec 2011 | 8 |
| Jan 2012 | 10 |
| Feb 2012 | 9 |
| Mar 2012 | 13 |
| Apr 2012 | 19 |
| May 2012 | 9 |
| Jun 2012 | 11 |
| Jul 2012 | 8 |
| Aug 2012 | 13 |
| Sep 2012 | 8 |
| Oct 2012 | 10 |
| Nov 2012 | 12 |
| Dec 2012 | 11 |
About this dataset
- Category: Earth Science
- Source: U.S. Geological Survey (ComCat)
- Date range: Jan 2009 – Dec 2012
- Data points: 48
- Source fetched: Nov 10, 2026
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