The Global Disaster Alert and Coordination System (GDACS) and the United States Geological Survey (USGS) have both confirmed that a on March 24, 2011 1:55:36 PM UTC (about 20:35h local time), a 6.8-magnitude earthquake occurred in the highly populated region of Shan State in Myanmar.
The first earthquake occurred 89 km (55 miles) N of Chiang Rai, Thailand; 168 km (104 miles) SSW of Yunjinghong, Yunnan, China; 589 km (365 miles) NE of Rangoon, Myanmar; annd 772 km (479 miles) N of Bangkok, Thailand.
The USGS said the first 6.8-magnitude quake, which occurred six miles deep, was followed by another of the same strength but far deeper: 140 miles.
Potentially affected critical infrastructure:
* Nuclear plants: [None]
* Hydrodams: [None]
* Airports: Chiang Kham (161km), Xieng Lom (173km), Chiang Rai (113km), Chiang Tai International (105km), Ban Houayxay (92km), Tachilek (47km), Monghsat (78km), Luang Namtha (158km), Keng Tung (52km), Mengla (185km), Gasa (150km), Zheli Airfield P (155km)
* Ports: [None]
For more on the technical aspects of the first earthquake, go to USGS’s webpage: http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/usc0002aes.php
It is being reported that the earthquakes were not powerful enough to generate a Pacific Ocean tsunami warning.
One person was killed by a roof collapsing in Chiang Rai, Thailand’s MCOT network reported, and tremors were felt in the capital Bangkok, 479 miles (772 km) south of the epicenter.