| Year | Month | Day | Latitude (N) | Longitude (W) | Depth (km) | Hours | Minutes | Seconds | Mag/Int | Location | Source Catalog | |
| 2010 | 6 | 21 | 36.94 | 113.509 | 2.1 | 20 | 27 | 23 | 1.7 | 11 miles S St. George, Ut | AEIC | |
| 2010 | 5 | 29 | 36.905 | 112.834 | 5 | 7 | 2 | 24 | 2.5 | SE of Colorado City | AEIC | |
| 2010 | 5 | 29 | 36.463 | 113.259 | 6.72 | 15 | 31 | 54 | 2.7 | SE of Colorado City | AEIC | |
| 2010 | 5 | 27 | 36.862 | 113.516 | 2.3 | 16 | 39 | 53 | 1.7 | Quail Hill | AEIC | |
| 2010 | 5 | 26 | 33.367 | 108.987 | 1.79 | 1 | 29 | 3 | 2.1 | N of Clifton | AEIC | |
| 2010 | 5 | 26 | 33.3017 | 109.2883 | 4.06 | 6 | 3 | 48 | 2.2 | N of Clifton | AEIC | |
| 2010 | 5 | 26 | 33.2717 | 109.2697 | 1.31 | 7 | 17 | 25 | 2.4 | N of Clifton | AEIC | |
| 2010 | 5 | 26 | 33.2153 | 109.403 | 5 | 7 | 15 | 17 | 1.8 | N of Clifton, Az | AEIC | |
| 2010 | 5 | 25 | 33.2772 | 109.2717 | 2.07 | 15 | 15 | 36 | 2.3 | NNE of Clifton | AEIC | |
| 2010 | 5 | 25 | 33.2914 | 109.2853 | 5 | 8 | 22 | 87 | 2.5 | NNE of Clifton | AEIC | |
| 2010 | 5 | 25 | 33.2914 | 109.2605 | 5 | 16 | 59 | 49 | 2.7 | NNE of Clifton | AEIC | |
| 2010 | 5 | 25 | 33.0327 | 109.805 | 5 | 19 | 2 | 32 | 2.2 | N of Clifton | AEIC | |
| 2010 | 5 | 24 | 33.315 | 109.209 | 5 | 12 | 27 | 8.41 | 3.5 | Apache National Forest/Clifton | AEIC | |
| 2010 | 5 | 24 | 33.2496 | 109.233 | 5 | 14 | 43 | 4 | 2.4 | Apache National Forest/Clifton | AEIC | |
| 2010 | 5 | 24 | 33.273 | 109.193 | 5 | 23 | 53 | 43.04 | 3 | Apache National Forest/Clifton | AEIC | |
| 2010 | 5 | 24 | 33.2494 | 109.2327 | 5 | 23 | 53 | 43 | 3.6 | N of Clifton | AEIC | |
| 2010 | 5 | 20 | 36.831 | 113.438 | 6.01 | 9 | 9 | 37 | 1.5 | South of St.George, UT | AEIC | |
| 2010 | 5 | 12 | 34.748 | 112.161 | 12.56 | 16 | 19 | 51.3 | 2.05 | Woodchute Mtn | AEIC | |
| 2010 | 4 | 1 | 36.8996 | 113.0616 | 20 | 17 | 26 | 42.42 | 2.6 | Colorado City, Arizona | AEIC | |
| 2010 | 3 | 21 | 36.6098 | 113.318 | 10 | 17 | 40 | 6.08 | 2.7* | Hurricane Cliffs, North of Grand Canyon, AZ | AEIC | |
| 2010 | 3 | 18 | 35.0575 | 111.6658 | 12.5 | 18 | 40 | 42.5 | 2 | Mountainaire, | AEIC | |
| 2010 | 3 | 2 | 36.5638 | 113.2716 | 12 | 0 | 51 | 39 | 2.9 | Hurricane Cliffs | AEIC | |
| 2010 | 3 | 2 | 36.029 | 113.2716 | 3 | 6 | 56 | 1 | 2.4 | South Rim Grand Canyon | AEIC | |
| 2010 | 3 | 2 | 36.2495 | 112.087 | 3 | 16 | 9 | 36 | 2.1 | North Rim Grand Canyon, Kaibab Trail | AEIC | |
| 2010 | 2 | 24 | 35.295 | 111.733 | 5 | 0 | 40 | 52 | 2.4* | Snow Bowl Road, Flagstaff, AZ | AEIC | |
| 2010 | 2 | 15 | 36.2501 | 112.0811 | 3 | 3 | 42 | 47 | 2.0* | North Kiabab, Grand Canyon, AZ | AEIC | |
| 2010 | 2 | 14 | 36.3638 | 113.4563 | 2 | 19 | 19 | 27 | 2.3* | Mt Trumbull | AEIC | |
| 2010 | 2 | 3 | 36.2688 | 112.0376 | 2 | 11 | 35 | 56 | 2.2* | North Rim Grand Canyon, AZ | AEIC | |
| 2010 | 1 | 27 | 36.581 | 111.4705 | 7 | 20 | 33 | 31 | 2.8* | Bitter Springs, AZ | AEIC | |
| 2010 | 1 | 5 | 36.313 | 112.779 | 20 | 17 | 6 | 2.42 | 2.4* | North Rim of Grand Canyon, AZ near Havasupai | AEIC | |
| 2010 | 1 | 3 | 36.3163 | 112.8055 | 4 | 9 | 24 | 30 | 2.4* | North Rim of Grand Canyon near Havasupai | AEIC | |
| 2009 | 12 | 28 | 36.86 | 112.29 | 13.3 | 19 | 55 | 50 | 2.4 | Fredonia | AEIC | |
| 2009 | 12 | 25 | 34.8822 | 112.461 | 2 | 20 | 45 | 40.33 | 2.3* | Chino Valley, Arizona | AEIC | |
| 2009 | 12 | 25 | 34.8812 | 112.504 | 2 | 20 | 28 | 39.43 | 2.1* | Chino Valley, Arizona | AEIC | |
| 2009 | 11 | 21 | 36.877 | 111.9 | 8 | 20 | 45 | 46 | 2.7* | Paria Plateau | AEIC | |
| 2009 | 11 | 16 | 36.8333 | 112.3516 | 21 | 6 | 55 | 46 | 2.7* | southeast of Fredonia, AZ | AEIC | |
| 2009 | 11 | 16 | 35.877 | 114.498 | 16 | 13 | 42 | 49 | 1.9 | near Lake Mead, AZ | AEIC | |
| 2009 | 11 | 4 | 36.4225 | 113.2918 | 1.5 | 21 | 26 | 50 | 2.3* | Mount Logan, Grand Canyon, Arizona | AEIC | |
| 2009 | 11 | 3 | 36.7126 | 113.046 | 16 | 23 | 39 | 42 | 2.8* | south of Colorado City, Arizona | AEIC | |
| 2009 | 11 | 1 | 36.2078 | 111.637 | 7 | 10 | 22 | 30 | 2.1* | Little Colorado River at Grand Canyon | AEIC | |
| 2009 | 10 | 31 | 35.4008 | 111.5505 | 18.52 | 0 | 16 | 4.57 | 2.8* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.4378 | 111.538 | 19.58 | 1 | 30 | 34.04 | 2.4* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.38 | 111.5568 | 16 | 2 | 2 | 57.74 | 2.7* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.341 | 111.5677 | 8.3 | 2 | 30 | 17.83 | 2.8* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.5062 | 111.4487 | 26.92 | 2 | 41 | 27.99 | 2.5* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3237 | 111.5655 | 4.28 | 2 | 55 | 7.84 | 2.6* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3583 | 111.5782 | 6.38 | 3 | 17 | 31.9 | 2.9* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3927 | 111.5455 | 19.04 | 3 | 32 | 41.75 | 2.8* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3628 | 111.5688 | 11.94 | 3 | 43 | 1.66 | 2.8* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3755 | 111.5545 | 16.47 | 3 | 53 | 28.82 | 2.8* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3737 | 111.5708 | 15 | 4 | 2 | 36.44 | 2.9* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3662 | 111.563 | 13.07 | 4 | 7 | 49.61 | 2.8* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3748 | 111.5515 | 15.94 | 4 | 13 | 17.05 | 2.7* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3745 | 111.5563 | 15.76 | 4 | 16 | 32.56 | 2.6* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3727 | 111.5822 | 11.84 | 4 | 20 | 52.58 | 2.6* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3645 | 111.5832 | 8.71 | 4 | 23 | 41.73 | 2.5* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.391 | 111.5485 | 18.27 | 4 | 26 | 59.46 | 2.4* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3695 | 111.4932 | 19.86 | 4 | 29 | 37.3 | 2.4* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3525 | 111.5257 | 18.97 | 4 | 32 | 53.91 | 2.6* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3152 | 111.5112 | 2.03 | 4 | 35 | 52.09 | 2.5* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3613 | 111.574 | 7.97 | 4 | 38 | 45.81 | 2.6* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3502 | 111.5593 | 2.47 | 4 | 44 | 0.6 | 2.6* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.4117 | 111.5027 | 21.43 | 4 | 46 | 27.38 | 2.5* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.36 | 111.5808 | 3.07 | 4 | 49 | 49.84 | 2.7* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3702 | 111.5645 | 12.71 | 4 | 54 | 39.93 | 2.7* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.4553 | 111.5462 | 20.48 | 4 | 58 | 48.04 | 2.6* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.395 | 111.5233 | 20.1 | 5 | 2 | 51.99 | 2.4* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.4667 | 111.5218 | 24.45 | 5 | 4 | 25.27 | 2.5* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3728 | 111.557 | 14.38 | 5 | 8 | 20.9 | 2.4* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.3813 | 111.516 | 20.44 | 5 | 12 | 40.69 | 2.4* | Halloween Swarm | AEIC | |
| 2009 | 10 | 31 | 35.4208 | 111.5022 | 26.61 | 6 | 10 | 14.34 | 2.9* | Halloween Swarm | AEIC | |
| 2009 | 10 | 18 | 36.7286 | 112.4966 | 12 | 3 | 24 | 18 | 2.4* | south of Fredonia, AZ | AEIC | |
| 2009 | 10 | 17 | 35.3796 | 112.2183 | 7 | 17 | 45 | 9 | 2.1* | north of Williams, AZ | AEIC | |
| 2009 | 10 | 16 | 35.72 | 111.929 | 5 | 3 | 15 | 30 | 1.9* | 12 km NNW of Valle, Arizona | AEIC | |
| 2009 | 10 | 11 | 35.523 | 112.069 | 10 | 3 | 30 | 4 | 1.4* | Cataract Creek fault zone | AEIC | |
| 2009 | 10 | 11 | 35.5 | 112.688 | 7 | 3 | 32 | 25 | 1.3* | Northeast of Seligman | AEIC | |
| 2009 | 10 | 11 | 35.473 | 112.066 | 10 | 9 | 10 | 23 | 1.5* | Cataract Creek fault zone | AEIC | |
| 2009 | 10 | 11 | 35.489 | 112.104 | 8 | 12 | 41 | 39 | 2.0* | Cataract Creek fault zone | AEIC | |
| 2009 | 10 | 11 | 35.504 | 112.123 | 15 | 13 | 10 | 12 | 1.6* | Cataract Creek fault zone | AEIC | |
| 2009 | 10 | 10 | 35.381 | 112.214 | 8 | 20 | 58 | 8 | 1.9* | 9 miles north of Williams, Arizona | AEIC | |
| 2009 | 10 | 9 | 35.902 | 114.679 | 10 | 22 | 13 | 59 | 3.9 | ~10 km East of Hoover Dam | AEIC | |
| 2009 | 10 | 8 | 35.857 | 112.212 | 3.2 | 12 | 57 | 48 | 1.6* | South Rim Grand Canyon, Arizona | AEIC | |
| 2009 | 10 | 7 | 35.3811 | 112.2198 | 9.5 | 2 | 56 | 10.11 | 2.3* | North of Williams, Arizona | AEIC | |
| 2009 | 10 | 2 | 35.6813 | 112.371 | 4.3 | 12 | 25 | 53 | 2.0* | West of Valle, Arizona | AEIC | |
| 2009 | 9 | 30 | 35.8081 | 112.4821 | 6.7 | 13 | 25 | 37.07 | Near Valle, Arizona | AEIC | ||
| 2009 | 9 | 27 | 35.7063 | 112.0658 | 2.8 | 13 | 23 | 55.45 | 2.5* | Havasupai, Arizona | AEIC | |
| 2009 | 9 | 22 | 35.634 | 114.435 | 16 | 11 | 57 | 49 | 1.9* | Dolan Springs, AZ | AEIC | |
| 2009 | 9 | 21 | 35.493 | 112.111 | 11.5 | 23 | 56 | 45 | 2.5* | Valle, AZ | AEIC | |
| 2009 | 9 | 4 | 36.757 | 112.731 | 10 | 11 | 47 | 53 | 3.5 | Wild Bend, northern Arizona | AEIC | |
| 2009 | 9 | 4 | 36.66 | 112.88 | 2.7 | 11 | 53 | 46.7 | 2.8 | Wild Bend, northern Arizona | AEIC | |
| 2009 | 9 | 4 | 36.976 | 112.4 | 17 | 6 | 1 | 1 | 3 | Fredonia | AEIC | |
| 2009 | 04 | 16 | 36.594 | 110.727 | 2 | 19 | 30 | 59 | Unknow | ANF monthly archives | ||
| 2009 | 02 | 7 | 36.579 | 110.674 | 13 | 10 | 25 | 18 | Unknow | ANF monthly archives | ||
| 2009 | 01 | 11 | 35.683 | 111.631 | 11 | 13 | 31 | 11 | Unknow | ANF monthly archives | ||
| 2009 | 01 | 1 | 36.782 | 112.835 | 3 | 14 | 36 | 51 | 2.3 | ANF monthly archives | ||
| 2008 | 12 | 29 | 35.109 | 109.169 | 23 | 15 | 58 | 23 | Unknow | ANF monthly archives | ||
| 2008 | 11 | 24 | 35.557 | 109.222 | 25 | 5 | 57 | 13 | Unknow | ANF monthly archives | ||
| 2008 | 11 | 24 | 34.127 | 110.211 | 9 | 12 | 30 | 57 | Unknow | ANF monthly archives | ||
| 2008 | 11 | 17 | 31.995 | 111.092 | 7 | 20 | 53 | 33 | Unknow | ANF monthly archives | ||
| 2008 | 11 | 11 | 36.565 | 110.678 | 13 | 13 | 36 | 10 | Unknow | ANF monthly archives |