June, 16, 2011
Between Tusayan and Red Butte, AZ
Nine earthquakes occured last week between Tusayan, Arizona and Red
Butte, Arizona. The majority of events occured on Thursday, June 16th
and were between duration magnitude 1.7 and 2.8. The swarm occurred over a period of five days at a depth of between 3.5-10 km deep. The nearest fault system is
the northeast-southwest trending Bright Angel fault zone which extends
through the Grand Canyon. In general, this event cluster lies south of the dominant Grand Canyon area seismicity.
Data for these events are follows:
| Year | Month | Day | Lat | Long | Depth | Hour | Min | Sec | Mag | Location | Catalog |
| 2011 | 6 | 18 | 35.8671 | -112.1940 | 8.95 | 7 | 43 | 35 | 2.25 | Tusayan, Red Butte | AEIC |
| 2011 | 6 | 16 | 35.8696 | -112.1813 | 3.5 | 17 | 28 | 35 | 2.38 | Tusayan, Red Butte | AEIC |
| 2011 | 6 | 16 | 35.8661 | -112.1873 | 7.81 | 19 | 46 | 53 | 2.26 | Tusayan, Red Butte | AEIC |
| 2011 | 6 | 16 | 35.9191 | -112.1942 | 2.11 | 19 | 3 | 34 | 2.12 | Tusayan, Red Butte | AEIC |
| 2011 | 6 | 16 | 35.8722 | -112.1912 | 8.96 | 18 | 41 | 52 | 2.79 | Tusayan, Red Butte | AEIC |
| 2011 | 6 | 16 | 35.8696 | -112.1795 | 5.03 | 18 | 59 | 39 | 2.08 | Tusayan, Red Butte | AEIC |
| 2011 | 6 | 16 | 35.8770 | -112.2430 | 4.85 | 17 | 1 | 35 | 1.75 | Tusayan, Red Butte | AEIC |
| 2011 | 6 | 15 | 35.8646 | -112.1898 | 6.13 | 4 | 8 | 12 | 2.34 | Tusayan, Red Butte | AEIC |
| 2011 | 6 | 13 | 35.8693 | -112.1893 | 10.8 | 22 | 29 | 59 | 2.00 | Tusayan, Red Butte | AEIC |
