Position:  14.763°N 92.298°W – Depth: 67.9 km

USGS Information Page

Distance from Exton PA: 29.2 Deg – 3,236 Km – Azimuth: 27.0 Deg

SeisComP3 traces for AM.R8C73.00.SHZ (Exton PA), LD.WUPA.BHZ, and PE.PSUB.HHZ (Media PA) showing the P wave arrivals.

Position:  2.990°N 75.769°W – Depth: 10.0 km

USGS Information Page

Distance from Exton PA: 37.0 Deg – 4,101 Km – Azimuth: 180.3 Deg

SeisComP3 traces for AM.R8C73.00.SHZ (Exton PA), LD.WUPA.BHZ (West Chester PA) and PE.PSUB.HHZ (Media PA) showing the P wave arrivals.

Position: 5.488°S 133.765°E – Depth: 10.0 km

USGS Information Page

Distance from Exton PA: 136.5 Deg -15,190 Km – Azimuth: 315.0Deg

Even though this earthquake was under 6.0 in magnitude, P wave arrivals were recorded in southeastern Pennsylvania, over 15,000 km from the epicenter.

SeisComP3 traces for AM.R8C73.00.SHZ (Exton PA), PE.PSUB.HHZ (Media PA), and LD.TUPA.HHZ (Ambler PA) showing the P wave arrivals.

Position:  7.016°S 156.291°E – Depth: 357.8 km

USGS Information Page

Distance from Exton PA: 123.2 Deg – 13,706 Km – Azimuth: 291.2 Deg

SeisComP3 traces for AM.R8C73.00.SHZ (Exton PA), PE.PSUB.HHZ (Media PA), and LD.GEDE.BHZ (Greenville DE) showing the P wave arrivals.

Position: 43.115°S 42.324°E  – Depth: 13.0 km

USGS Information Page

Distance from Exton PA:134.5 Deg – 14,952 Km – Azimuth: 115.1 Deg

SeisComP3 traces for AM.R8C73.00.SHZ (Exton PA), LD.WUPA.BHZ (West Chester PA), and PE.PSUB.HHZ (Media PA). Only a weak P wave arrival was seen on the seismometers.

Position:  10.466°S 119.031°E – Depth: 27.0 km

USGS Information Page

Distance from Exton PA:147.8 Deg – 16,428 Km – Azimuth: 21.1 Deg

There was also a magnitude 6.0 foreshock that occurred at 23:59:22 UTC. withing a few kilometers of the main shock. See https://earthquake.usgs.gov/earthquakes/eventpage/us2000j70q/executive .

SeisComP3 traces for AM.R8C73.00.SHZ (Exton PA), and LD.WUPA.BHZ (west Chester PA). The first image for each station is the M6.4 main shock, and the 2nd is the M6.0 foreshock.