Thursday, October 20, 2011

Quake shakes South Texas ...

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A shallow, moderate earthquake struck southern Texas (TX) on Thursday morning, according to the United States Geological Survey (USGS). It was the strongest earthquakes to hit the U.S. state in 45 years.

The 4.8 magnitude quake, upgraded from 4.6mb, occured at 07:25 AM local time (13:25 PM GMT) and was recorded at an extremely shallow depth of 3km (1.9 miles). It struck below Fashing, but was felt as far as Corpus Christi, San Antonio and Austin.

The epicentre of the quake was located 22 km (14 miles) NW (321°) from Pawnee, TX; 23 km (14 miles) SSW (213°) from Falls City, TX; 26 km (16 miles) WSW (249°) from Karnes City, TX; 60 km (37 miles) NW of Beeville, TX; 76 km (47 miles) SSE (154°) from San Antonio, TX; 92 km (57 miles) E of Pearsall, TX; 166 km (103 miles) SSW of AUSTIN, TX; and 463 km (288 miles) SSW (197°) from Dallas, TX.

The last time Texas experienced a tremor similar in intensity to Thursday’s quake was on July 20, 1966. The magnitude 4.8 earthquake was centred in the Panhandle, near Borger and Amarillo.

The most recent earthquake to strike the region hit on 25 April, 2010. The 4.0 magnitude earthquake was recorded 56 km west of Corpus Christi.

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