Earthquakes United States 1990
United States was hit by 273 earthquakes with a magnitude of 4 and more in 1990. The biggest earthquake in United States for 1990 had a magnitude of 6.6 (5/1/1990)
Earthquakes Map United States 1990
Earthquakes Chart United States 1990
| Month | Number of hits |
| January 1990 | 46 |
| February 1990 | 18 |
| March 1990 | 24 |
| April 1990 | 35 |
| May 1990 | 24 |
| June 1990 | 20 |
| July 1990 | 21 |
| August 1990 | 20 |
| September 1990 | 14 |
| October 1990 | 14 |
| November 1990 | 21 |
| December 1990 | 16 |