The earthquake of May 5th, Mw 6.2, occurred in north Thailand, close to Chiang Rai. It probably broke one of the WSW-ENE striking, right-lateral faults typical of the Golden Triangle region. Those faults spectacularly offset the large rivers such as the Mekong.

To learn more on the active tectonics and geomorphology of the Golden Triangle, refer to :

Lacassin, R., A. Replumaz, and P. H. Leloup, Hairpin river loop and slip sense inversion on SE-Asian strike-slip faults, Geology, 26, 703-706, 1998. PDF

Geoscope page on 2014/05/05 - Mw6.2

updated May 2014