A strong, long 7.9 earthquake with an epicenter in Guerrero state shook central southern Mexico on Tuesday, swaying buildings in Mexico City and sending frightened workers and residents into the streets.
The U.S. Geological Survey set the intensity at 7.9 on the Richter scale. Mexico’s National Seismological Survey said the temblor had an epicenter southwest of Ometepec.
It was six miles (10 kilometres) underground.
The technical details:
Magnitude 7.6 – OAXACA, MEXICO
2012 March 20 18:02:48 UTC
- This event has been reviewed by a seismologist.
|Depth||17.5 km (10.9 miles)|
|Location Uncertainty||horizontal +/- 15.8 km (9.8 miles); depth +/- 6.5 km (4.0 miles)|
|Parameters||NST=438, Nph=440, Dmin=312.8 km, Rmss=0.88 sec, Gp= 79°,
M-type=regional moment magnitude (Mw), Version=9