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Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge prepare to leave on a safari in Kaziranga National Park on day 4 of the royal visit to India and Bhutan on April 13, 2016 in Kaziranga, India.Getty Images

Prince William and the Duchess of Cambridge experienced tremors as a 6.9-magnitude earthquake hit close to where the royal couple is staying. The epicenter of the earth was in India's neighbouring Myanmar at a depth of 135km (84 miles) north-west of Mandalay with strong tremors felt across India and China.

Officials confirmed that two tremors were felt in the course of a minute, shaking buildings and the ground beneath at the Kaziranga National Park in north-east Indian state of Assam where the royal couple are staying on 13 April. The strength of the tremors, however, remains unclear.

Soon after the earthquake hit the region, the army was put on high alert, however there were no reports of injuries thus far. A Kensington Palace spokesman confirmed later that the royal couple is unharmed. "We felt the tremor very strongly, but all is fine,'' said British Deputy High Commissioner Scott Furssedonn-Wood, reported BBC News. Furssedonn-Wood is staying at the same wildlife park as the royal couple.

The royal press corps had to be evacuated from their hotel in Guwahati after a massive tremor was felt at 7.25pm local time. The royal press corps are staying at the hotel overnight before they depart for Bhutan on 14 April, where the tremors were also felt.

The Duke and Duchess of Cambridge experienced a wildlife safari on 13 April and fed rhino and elephant calves. The royal couple was also seen wearing handwoven traditional scarves from Assam and had serious chats with wildlife officials.

"They had a lot of questions about the wildlife situation in the country," said conservationist Rita Banerji, who met the royal couple at the World-Heritage listed park. "This visit by the royal couple will definitely help in grabbing attention of a global audience to the threats that endangered species face." Following their visit to Bhutan on 14 April, the royal couple will return to India and finish their tour on 16 April after visiting the monument of love, Taj Mahal in Agra.