Two strong and shallow earthquakes struck south of Panama

two-strong-and-shallow-earthquakes-struck-south-of-panama

The first one struck at 00:45 UTC on June 4, 2012 with magnitude 6.2 according USGS. Epicenter was located 356 km (221 miles) SSW of Santiago, Panama and 526 km (326 miles) SW of  Panama City, Panama (5.287°N, 82.580°W). Recorded depth was 9.7 km (6.0 miles).

Based on the earthquake magnitude, location, and historic tsunami records, a tsunami is not expected, the Pacific Tsunami Warning Center said.

Magnitude 6.2
Date-Time
  • Monday, June 04, 2012 at 00:45:15 UTC
  • Sunday, June 03, 2012 at 06:45:15 PM at epicenter
Location 5.287°N, 82.580°W
Depth 9.7 km (6.0 miles)
Region SOUTH OF PANAMA
Distances 346 km (214 miles) S of David, Panama
356 km (221 miles) SSW of Santiago, Panama
372 km (231 miles) SW of Las Tablas, Panama
526 km (326 miles) SW of PANAMA CITY, Panama
Location Uncertainty horizontal +/- 15.5 km (9.6 miles); depth +/- 2.6 km (1.6 miles)
Parameters NST=567, Nph=577, Dmin=525.4 km, Rmss=0.87 sec, Gp= 47°,
M-type=teleseismic moment magnitude (Mw), Version=C
Source
  • Magnitude: USGS NEIC (WDCS-D)
    Location: USGS NEIC (WDCS-D)
Event ID usb000a664

 

Two and a half hours later, at 3:15 UTC a second earthquake struck almost the same area. The magnitude of this one was measured as 6.4 according to USGS. Epicenter was located 330 km (205 miles) SSW of Santiago, Panama and 501 km (311 miles) SW of Panama City, Panama (5.507°N, 82.457°W). Recorded depth was 5.9 km (3.7 miles)

Magnitude 6.4
Date-Time
  • Monday, June 04, 2012 at 03:15:24 UTC
  • Sunday, June 03, 2012 at 10:15:24 PM at epicenter
Location 5.507°N, 82.457°W
Depth 5.9 km (3.7 miles)
Region SOUTH OF PANAMA
Distances 323 km (200 miles) S of David, Panama
330 km (205 miles) SSW of Santiago, Panama
347 km (215 miles) SW of Las Tablas, Panama
501 km (311 miles) SW of PANAMA CITY, Panama
Location Uncertainty horizontal +/- 13.1 km (8.1 miles); depth +/- 2.6 km (1.6 miles)
Parameters NST=538, Nph=552, Dmin=497.6 km, Rmss=1.03 sec, Gp= 40°,
M-type=(unknown type), Version=A
Source
  • Magnitude: USGS NEIC (WDCS-D)
    Location: USGS NEIC (WDCS-D)
Event ID usb000a66u

 

Historical seismicity map

Featured image: Google Earth + USGS 

 

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