The samples have also tested positive for serious fungal and bacterial contamination.
The group embarked on a trip to Brynihat waterfall, intending to enjoy a refreshing bath to beat the heat.
The tremors were reportedly felt in some parts of Assam, including Guwahati.
CM Sangma stated that the logistics were being worked out for the meeting, which is likely to be held on May 24.
The incident took place on Friday around 11 pm at the Mawshun area near Pomshutia village, about 17 km away from the Indo-Bangladesh international border, and was accompanying him.
The earthquake struck at around 9.07 am with a depth of 10 km.
The deceased has been identified as Ibrahim Ali, a resident of Kaki village in the Lanka area in the Hojai district.
The new government, which will be called the Meghalaya Democratic Alliance 2.0, has one woman minister in M Ampareen Lyngdoh.
Issuing an order, Eastern West Khasi Khasi Hills District Magistrate W Nongsiej imposed a night curfew from 6 pm to 6 am at Mawsawa, Sangshong village, Umwiehsup, and Mairang Mission village.
The United Democratic Party (UDP), which was NPP’s ally in the Sangma government, emerged the second-largest party, winning 11 constituencies.
