A magnitude 3.2 event hit at 12:30 pm, followed by a magnitude 3.5 shock at 9:24 pm. [Right, the top orange circle is the M3.2 aftershock, the leftmost orange circle is the M3.5 event. Credit, USGS] The USGS only reports events greater than magnitude 3.0. AZGS is identifying many more aftershocks in the 1.0 -3.0 range.
AZGS is working with the PASSCAL (Program for Array Seismic Studies of the Continental Lithosphere Instrument Center) instrument facility in Socorro, NM, to deploy a temporary network of 6 seismometers in the epicentral area. In addition to better detection and location of continuing aftershocks, the information will help correct the locations of the 100+ aftershocks already recorded.
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