ปัจจัย
Cause this earthquake As a result of the sliding horizontally staggered over the years the group's fault. (Lao's fault) trending in a northeast - southwest.
รอยแยก
- The fault Phayao The total length of approximately 90 kilometers, divided into two parts, north trending in a northeast - southwest. Horizontal Scroll down in the left margin. The south trending in a north - south. Be slid horizontally staggered right.This years group fault is divided into 17 sub-faults, such as faults in Mae Lao. Phayao Fault Hang faults etc.
- Nan fault cause the earthquake had a 5.1 magnitude earthquake centered Phan.
ภูมิประเทศ
the terrain is mountainous Chiang Rai in northern continents (North Continental Highland) with high ground patches. Chiang Rai and Chiang Khong district in mountainous areas to a height of 1500-2000 meters above sea level. The plains of the major river basins in the central area of the Mae Sai, Chiang Saen and Chiang Khong Phan city with a height of 410-580 meters above sea level.