
Fifteen small earthquakes rocked Pai district of the northern province of Mae Hong Son from Sunday night into Monday afternoon.
The Earthquake Observation Division of the Meteorological Department reported on Monday that the 15 quakes happened in tambon Wiang Nuea of Pai district from 9.56pm on Sunday to 3.46pm on Monday.
The magnitude ranged from 1.7 to 3.4 on the Richter scale, and people in Pai reported they felt the tremors of 2.7 and over.
The tremors occurred at a depth of 1-2 kilometres underground. The strongest, of magnitude 3.4, took place at 11.57pm, followed by another 3.3-magnitude quake at 12.08am on Monday.
Two latest quakes, measured 2.2 and 2.5 on the Richter scale, registered at 1.39pm and 3.46pm on Monday.
The Earthquake Observation Division attributed the shakes to the movement of the Wiang Haeng fault line under Chiang Mai province.