Correction to: Acta Geophysica (2020) 68:325–336 https://doi.org/10.1007/s11600-019-00396-x

In the original version of the paper, the authors used Fig. 1 to describe the study area's location. Unfortunately, some Vietnam's places have been missed in this figure since the paper used a small-scale map. Therefore, this erratum aims to correct Fig. 1 as illustrated below:

Fig. 1
figure 1

Location of the study site