Magnitude 4.5 Earthquake of CHIAPAS, MEXICO 2011 December 18

2011 December 18 05:03:19 UTC: CHIAPAS, MEXICO

Magnitude: 4.5

Date-Time : Sunday, December 18, 2011 at 05:03:19 UTC
Saturday, December 17, 2011 at 11:03:19 PM at epicenter

Location : 15.832°N, 91.976°W

Depth : 219.5 km (136.4 miles)

Region : CHIAPAS, MEXICO

Distances:

a) 49 km (30 miles) SSE of Comitan, Chiapas, Mexico

b) 78 km (48 miles) NW of Huehuetenango, Guatemala

c) 106 km (65 miles) NNE of Tapachula, Chiapas, Mexico

d) 860 km (534 miles) ESE of MEXICO CITY, D.F., Mexico

Location Uncertainty: horizontal +/- 22 km (13.7 miles); depth +/- 10.9 km (6.8 miles)

Parameters : NST=173, Nph=176, Dmin=52.3 km, Rmss=1.07 sec, Gp=137°, M-type=body wave magnitude (Mb), Version=9=1