A strong 6.4 magnitude earthquake struck off the Pacific island nation of Vanuatu, about 36 miles north of the town of Isangel on Monday, the United States Geological Survey confirmed.

According to the agency, the quake struck at around 2.52 p.m. local time Monday (11.52 p.m. EDT, Sunday) and hit at a depth of 140 miles. However, no immediate reports of casualties or damage were reported due to the quake. Reports also suggested that there was no immediate tsunami threat to neighboring Fiji.

“A strong earthquake with a deep depth source location occurred 187 km SSE from Port Vila, Vanuatu. this afternoon at 02:52:30 PM, local time. However, it does not pose any immediate tsunami threat to the Fiji region,” Seismology Fiji tweeted.