The data displays the number of earthquakes in the U.S. from year 2005 to 2012, by magnitude. In 2005, 1,475 earthquakes with a Richter magnitude scale between 3.0 and 3.9 were recorded in the U.S.
8.0 to 9.9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
7.0 to 7.9 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 |
6.0 to 6.9 | 4 | 7 | 9 | 9 | 4 | 8 | 3 | 5 |
5.0 to 5.9 | 47 | 51 | 72 | 85 | 58 | 83 | 51 | 27 |
4.0 to 4.9 | 345 | 346 | 366 | 432 | 288 | 638 | 347 | 271 |
3.0 to 3.9 | 1475 | 1213 | 1137 | 1486 | 1492 | 3586 | 1838 | 1236 |
2.0 to 2.9 | 1738 | 1145 | 1173 | 1573 | 2379 | 4130 | 2941 | 2251 |
1.0 to 1.9 | 2 | 7 | 11 | 13 | 26 | 39 | 47 | 43 |
0.1 to 0.9 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 |
No magnitude | 73 | 13 | 22 | 20 | 14 | 12 | 8 | 3 |