| Year | Month | Day | Latitude (N) | Longitude (W) | Depth (km) | Hours | Minutes | Seconds | Mag/Int | Location | Source Catalog | |
| 1989 | 3 | 10 | 35.97 | 112.21 | 11 | 2 | 41 | 23.3 | 0.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 10 | 36.1 | 112.23 | 8 | 3 | 19 | 6.5 | 1.2 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 10 | 36.04 | 112.23 | 11 | 7 | 46 | 32.2 | 1.6 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 10 | 36.03 | 112.23 | 11 | 9 | 11 | 7.8 | 1.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 10 | 36.06 | 112.23 | 14 | 11 | 0 | 44 | 2.9 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 10 | 35.96 | 112.25 | 10 | 13 | 28 | 32.8 | 0.6 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 10 | 36.01 | 112.23 | 11 | 15 | 31 | 33 | 2.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 10 | 35.99 | 112.3 | 9 | 17 | 6 | 12 | 0.6 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 10 | 35.95 | 112.23 | 10 | 18 | 21 | 25.4 | 0.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 10 | 36.05 | 112.21 | 16 | 23 | 11 | 14.5 | 1.2 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 10 | 36.08 | 112.24 | 13 | 12 | 49 | 22.5 | 0.4 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 10 | 36.08 | 112.19 | 16 | 13 | 56 | 54.7 | 0.8 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 10 | 36 | 112.23 | 11 | 15 | 34 | 31.5 | 0.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 10 | 36.05 | 112.25 | 10 | 17 | 41 | 29.2 | 0.1 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36.03 | 112.24 | 12 | 0 | 4 | 14.4 | 1.8 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36.02 | 112.22 | 12 | 3 | 26 | 9.4 | 1 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36.02 | 112.25 | 11 | 3 | 32 | 6.4 | 1.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36 | 112.24 | 11 | 4 | 25 | 17.4 | 0.6 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36 | 112.23 | 12 | 5 | 17 | 56.9 | 0.9 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36.02 | 112.24 | 12 | 5 | 24 | 27.3 | 1.2 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36 | 112.28 | 12 | 6 | 44 | 50 | 2.1 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36.03 | 112.23 | 12 | 7 | 40 | 27.5 | 0.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36.02 | 112.24 | 11 | 8 | 17 | 44.8 | 0.8 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36 | 112.25 | 11 | 9 | 26 | 10.7 | 0.9 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36.05 | 112.22 | 13 | 12 | 16 | 27 | 2.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36.03 | 112.22 | 12 | 12 | 43 | 36.1 | 1 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36.02 | 112.25 | 11 | 12 | 51 | 13 | 1.2 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36.01 | 112.25 | 11 | 12 | 59 | 14.8 | 0.9 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36.01 | 112.24 | 11 | 12 | 59 | 58.9 | 1.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36 | 112.24 | 11 | 13 | 40 | 55.2 | 0.9 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36.02 | 112.24 | 11 | 13 | 42 | 19 | 0.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36.03 | 112.23 | 10 | 15 | 9 | 47 | 1.4 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36 | 112.25 | 11 | 16 | 6 | 44.3 | 0.9 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 9 | 36.04 | 112.21 | 11 | 17 | 22 | 9.3 | 0.6 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 8 | 36.15 | 112.42 | 16 | 2 | 51 | 52 | 2.6 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 8 | 36.01 | 112.23 | 12 | 4 | 35 | 58.3 | 0.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 8 | 36.04 | 112.23 | 9 | 5 | 21 | 36.3 | 1.4 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 8 | 36.01 | 112.22 | 11 | 7 | 24 | 28 | 2.1 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 8 | 36.02 | 112.22 | 11 | 7 | 28 | 5.9 | 0.8 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 8 | 36.03 | 112.24 | 13 | 11 | 29 | 27.1 | 0.6 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 8 | 36 | 112.25 | 12 | 13 | 29 | 6.5 | 0.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.03 | 112.2 | 8 | 1 | 19 | 53.1 | 0.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.01 | 112.23 | 11 | 1 | 41 | 49.9 | 0.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.01 | 112.23 | 12 | 1 | 53 | 36.4 | 1.3 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.03 | 112.21 | 13 | 1 | 59 | 8 | 2.2 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 35.99 | 112.26 | 11 | 3 | 21 | 18.4 | 0.6 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.03 | 112.26 | 14 | 4 | 8 | 39 | 2.3 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.02 | 112.22 | 11 | 5 | 3 | 35.5 | 0.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 35.97 | 112.27 | 12 | 5 | 25 | 23.4 | 0.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 35.98 | 112.25 | 10 | 7 | 7 | 31 | 2.1 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.04 | 112.23 | 13 | 7 | 59 | 38 | 0.9 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.04 | 112.16 | 7 | 8 | 24 | 40 | 2.8 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.04 | 112.21 | 12 | 10 | 25 | 56 | 1.9 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.01 | 112.22 | 12 | 11 | 8 | 49 | 1.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.01 | 112.24 | 12 | 12 | 17 | 38.7 | 1 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36 | 112.25 | 11 | 12 | 39 | 6 | 0.4 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 35.98 | 112.23 | 14 | 14 | 14 | 20 | 2.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.03 | 112.2 | 8 | 1 | 19 | 53.1 | 0.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.01 | 112.23 | 11 | 1 | 41 | 49.9 | 0.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.01 | 112.23 | 12 | 1 | 53 | 36.4 | 1.3 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.03 | 112.21 | 13 | 1 | 59 | 8 | 2.2 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 35.99 | 112.26 | 11 | 3 | 21 | 18.4 | 0.6 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.03 | 112.26 | 14 | 4 | 8 | 39 | 2.3 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.02 | 112.22 | 11 | 5 | 3 | 35.5 | 0.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 35.97 | 112.27 | 12 | 5 | 25 | 23.4 | 0.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 35.98 | 112.25 | 10 | 7 | 7 | 31 | 2.1 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.04 | 112.23 | 13 | 7 | 59 | 38 | 0.9 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.04 | 112.16 | 7 | 8 | 24 | 40 | 2.8 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.04 | 112.21 | 12 | 10 | 25 | 56 | 1.9 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.01 | 112.22 | 12 | 11 | 8 | 49 | 1.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36.01 | 112.24 | 12 | 12 | 17 | 38.7 | 1 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 36 | 112.25 | 11 | 12 | 39 | 6 | 0.4 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 7 | 35.98 | 112.23 | 14 | 14 | 14 | 20 | 2.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.02 | 112.23 | 10 | 0 | 24 | 33.2 | 1.1 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.05 | 112.23 | 11 | 1 | 32 | 51.8 | 1 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 35.96 | 112.19 | 8 | 1 | 36 | 31.2 | 0.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.04 | 112.19 | 11 | 1 | 37 | 41.3 | 0.4 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.01 | 112.12 | 12 | 2 | 42 | 18.7 | 1.2 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.03 | 112.21 | 12 | 2 | 43 | 27.4 | 0.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36 | 112.24 | 10 | 2 | 45 | 1.2 | 0.9 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.04 | 112.21 | 12 | 2 | 58 | 46.9 | 0.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.03 | 112.23 | 13 | 3 | 16 | 32.8 | 0.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.01 | 112.21 | 12 | 3 | 30 | 25.5 | 0.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.04 | 112.2 | 12 | 3 | 46 | 34.9 | 0.4 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.05 | 112.23 | 8 | 4 | 8 | 11.7 | 1.2 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.03 | 112.21 | 13 | 4 | 23 | 43.5 | 0 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.01 | 112.22 | 11 | 4 | 25 | 7.7 | 1.8 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.03 | 112.25 | 12 | 4 | 28 | 36.9 | 0.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36 | 112.25 | 11 | 4 | 47 | 58.9 | 2 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.01 | 112.24 | 12 | 5 | 13 | 25.6 | 0.8 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 35.95 | 112.32 | 2 | 5 | 30 | 5.6 | 1.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36 | 112.24 | 11 | 5 | 44 | 49.6 | 0.7 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.11 | 112.16 | 2 | 6 | 10 | 47.4 | 0.5 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.05 | 112.25 | 7 | 6 | 14 | 14.9 | 0.9 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.04 | 112.22 | 13 | 6 | 41 | 3.7 | 0.2 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.01 | 112.23 | 11 | 6 | 45 | 19.5 | 1 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36 | 112.25 | 13 | 10 | 7 | 17.9 | 1 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.05 | 112.19 | 10 | 10 | 44 | 4.8 | 0.8 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 35.99 | 112.28 | 11 | 10 | 47 | 54.1 | 0.9 | Grand Canyon, aftershock | AEIC | |
| 1989 | 3 | 6 | 36.02 | 112.22 | 10 | 13 | 7 | 45.2 | 1.5 | Grand Canyon, aftershock | AEIC |