At the center of the vermillion cliffs in Arizona.. a rather odd place for activity ..
http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/uu60009747.php
2013 January 07 15:36:43 UTC
Earthquake Details
- This event has been reviewed by a seismologist.
| Magnitude | 3.1 |
|---|---|
| Date-Time |
|
| Location | 36.838°N, 111.856°W |
| Depth | 6.4 km (4.0 miles) |
| Region | ARIZONA |
| Distances |
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There are quite a few dormant volcanoes in the desert. That’s where some of the interesting rock formations come from in the desert. The Vermillion Cliffs are not too far north of the San Francisco Peaks, which is a dormant volcanic mountain range and one of the Navajo holy mountains.