6-hour seismic record from station TDH for 08/18/2013
Detailed Description
6-hour seismic record from station TDH for 08/18/2012, showing earthquakes in the short-lived seismic swarm located 1-2 km south of Mount Hood. The largest event (a M 1.8) occurred at 10:00am PDT. Note that other events occurred later in the day that are not shown on this record.