Earthquakes United States 1987
United States was hit by 374 earthquakes with a magnitude of 4 and more in 1987. The biggest earthquake in United States for 1987 had a magnitude of 7.9 (11/30/1987)
4.2
1987-07-13
4.1
1987-06-30
4.1
1987-06-18
4.1
1987-06-13
4.1
1987-06-13
4.1
1987-06-12
4.1
1987-08-28
4.1
1987-08-31
4.1
1987-07-31
4.1
1987-09-20
Earthquakes Map United States 1987
Earthquakes Chart United States 1987
| Month | Number of hits |
| January 1987 | 22 |
| February 1987 | 35 |
| March 1987 | 49 |
| April 1987 | 28 |
| May 1987 | 20 |
| June 1987 | 24 |
| July 1987 | 22 |
| August 1987 | 16 |
| September 1987 | 28 |
| October 1987 | 25 |
| November 1987 | 47 |
| December 1987 | 58 |