Correlation of Mercalli to PGA can be found here: http://en.wikipedia.org/wiki/Peak_ground_acceleration
Correlation of Mercalli to Richter can be found here: http://earthquake.usgs.gov/learn/topics/mag_vs_int.php OR http://www.dnr.mo.gov/geology/geosrv/geores/richt_mercali_relation.htm
Thank you. I agree that the question doesn't really make sense in the context of what we do as structural engineers. However, I found out quickly that it was difficult to answer such a seemingly innocent question posed by a non-engineer. I did find through another colleague that USGS has a...
Is anyone aware of any documentation that roughly equates Richter Scale Magnitudes with Seismic Design Categories? I have a client that wants to ensure his building will meet a particular Richter scale factor (7.0). I've tried explaining, to no avail, that the code (ASCE 7) uses a different...
