Fifteen little tremors rocked Pai area of the northeastern state of Mae Hong Son from Sunday night into Monday evening.
The Earthquake Observation Division of the Meteorological Department reported on Monday that the 15 tsunamis happened in tambon Wiang Nuea of Pai area from 9. 56pm on Sunday to 3. 46pm on Monday.
The scale ranged from 1. 7 to 3. 4 on the Richter scale and persons in Pai city reported they felt the numbness of 2. 7 and around.
The spasms occurred at a level of 1-2 miles beneath. The strongest, of scale 3. 4, was at 11. 57pm, followed by another 3. 3-magnitude collapse at 12. 08am on Monday.
Two latest aftershocks measured 2. 2 and 2. 5 on the Richter level, registered at 1. 39pm and 3. 46pm on Monday.
The Earthquake Observation Division attributed the lifts to the movements of the Wiang Haeng problem column under Chiang Mai state.