Earthquake Engineering Research Institute
Learning From Earthquakes

Preliminary Motion Characteristics

A Modified Mercalli Intensity (MMI) map of the region can be found here: http://shakemap.geonet.org.nz/mapping/2016p858000.html 5% damped elastic acceleration response spectra of recorded ground motions can be found here: Spectral comparisons

Ground Motions

USGS: M7.8 Muisne Event Page USGS: M7.8 Muisne Impact PAGER  

Ground Motion Records Mw 5.8 Pawnee, OK

The main shock of the September 3rd earthquake occurred at 12:02:44 UTC (07:02:44 -05:00 at epicenter) about 15 km to the northwest of Pawnee (36.425°N 96.929°W) at a depth of 5.56 km. The Center for Engineering Strong Motion Data (CESMD) made available on their website records from 10 stations in Oklahoma. The closest free-field station […]