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)
4.1
1987-09-25
4.1
1987-09-17
4.1
1987-09-18
4.1
1987-09-09
4.1
1987-09-11
4.1
1987-09-28
4.1
1987-10-01
4.1
1987-10-22
4.1
1987-11-25
4.1
1987-05-12
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 |