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Northwest Arizona had its fifth and sixth small earthquakes in the last week and a half, today just before noon. A
magnitude 2.9 event at 11:48 a.m., local time was followed ten minutes later by a
magnitude 1.5 quake very close by that was likely an aftershock. The events occurred about 33 miles southeast of Littlefield, Arizona, and are in the same area as a magnitude quake that occurred on November 14. [
Right, the epicenters of today's quakes are in orange. Last week's event in yellow. Red lines on are faults. Credit, USGS]
The quakes are in the midst of a number of active faults that comprise the southern end of the Intermountain Seismic Belt and close to the Washington fault.
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