Nearly 2200 people have logged onto the USGS site to describe how much shaking they experienced from last night's magnitude 5.2 earthquake in eastern Arizona. If you felt it, we encourage you to share your experience at http://earthquake.usgs.gov/earthquakes/eventpage/usc000rnfe#dyfi_formThis information provides valuable scientific data that we use to better understand how the shock waves travel across the region and how local geologic conditions may dampen or enhance ground shaking. This is critical in helping better design buildings and critical infrastructure. [Right, waveform of last nights earthquake from seismometer station X16A, part of the AZGS-managed Arizona Broadband Seismic Network. Credit, Dr. Jeri Young, AZGS]
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