They occurred in areas between 7.25˚N
and 10.12˚N longitude and 97.26˚E to 99.69˚E
latitude, with the local magnitude (Ml) ranging from
-1.4 to 2.2 Richter scale (-1.4 < Ml < 2.2). Figure 2
shows the distribution of the earthquakes in relation
to the magnitude.