Position: 12.949°N 90.385°W – Depth: 24.7 km
Seedlink Plotter heliocoder traces of AM.RC8C73.00.SHZ (Exton PA) and LD_WUPA.SHZ (West Chester PA). This event is annotated as “Near Coast of Guatemala, 6.1 Mw”. The body waves are not visible on either trace, but WUPA shows the quake’s surface waves.
Distance: 30.2 Deg. 3,350 km
Azimuth: 22.9 Deg.
SeisComP3 traces for AM.R8C73.00.SHZ (Exton PA), LD.WUPA.BHZ (West Chester University, West Chester PA), and LD.GEDE.BHZ (Greenville DE) showing the P wave arrivals. All three show that the arrival’s are buried in noise. Despite the distance and magnitude, this earthquake barely registered on seismometers in the Philadelphia area.