Date-Time

* Sunday, May 10, 2009 at 01:16:10 UTC

* Saturday, May 09, 2009 at 07:16:10 PM at epicenter

Location 1.405°N, 85.228°W

Depth 23.9 km (14.9 miles)

Distances 500 km (310 miles) SSE of Isla del Coco, Costa Rica

550 km (340 miles) ENE of Puerto Baquerizo Moreno, Galapagos

710 km (440 miles) WNW of Guayaquil, Ecuador

945 km (590 miles) S of SAN JOSE, Costa Rica

Location Uncertainty horizontal +/- 5.7 km (3.5 miles); depth +/- 16.8 km (10.4 miles)

Parameters NST=216, Nph=216, Dmin=607.7 km, Rmss=0.92 sec, Gp= 68°

M-type=teleseismic moment magnitude (Mw), Version=8
Source

* USGS NEIC (WDCS-D)

Event ID us2009glaf

* This event has been reviewed by a seismologist.