Today, 15May2018 at 13:40 hrs UTC (08:40am CST), a M4.0 earthquake after shock occurred, again, in Crescent, OK.
TXESP’s EQ1 and Raspberry Shake (LP 1.2 Hz filter) seismometers recorded some wave arrivals – predominantly the P, S, Surface, PcP and PcS interpretations (see below). Today’s event was approximately 6 polar deg away from station E1TX. NOTE the similrities between the two seismograms; further, review that the 15May2018 seismograms are very similar to the 14May2018 seismograms.
May 15, 2018
May 14, 2018