4.9 Earthquake in Costa Rica west of Liberia, Guanacaste

4.9

Date-Time               Saturday, July 23, 2011 at 13:54:19 UTC Saturday, July 23, 2011 at 07:54:19 AM at epicenter Time of Earthquake in other Time Zones

Location                  10.656°N, 85.844°W
Depth                     62.1 km (38.6 miles)
Region                    COSTA RICA
Distances                44 km (27 miles) W of Liberia,
85 km (52 miles) S of Rivas,Nic
171 km (106 miles) SSE of MANAGUA,
1728 km (1073 miles) ESE of MEXICO CITY,
Location Uncertainty horizontal +/- 21.7 km (13.5 miles); depth +/- 10.9 km (6.8 miles)
Parameters             NST=218, Nph=218, Dmin=202.6 km, Rmss=1.15 sec, Gp=137°, M-type=body wave magnitude (Mb), Version=6
Source Magnitude:  USGS NEIC (WDCS-D) Location: USGS NEIC (WDCS-D)