How did the magnitude of the largest recorded earthquake each year change from 1990 to 2004?
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 (1995), the actual values were:
| Date | Actual value |
|---|---|
| 1996 | 8.09 |
| 1997 | 7.8 |
| 1998 | 8.1 |
| 1999 | 7.7 |
| 2000 | 8 |
| 2001 | 8.4 |
| 2002 | 7.9 |
| 2003 | 8.16 |
| 2004 | 9.1 |
About this dataset
- Category: Earth Science
- Source: U.S. Geological Survey (ComCat)
- Date range: 1990 – 2004
- Data points: 15
- Source fetched: Nov 10, 2026
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