A magnitude 6.3 earthquake struck off Vanuatu on Tuesday, and the Pacific Tsunami Warning Center said in a statement that the event posed no tsunami threat.
The U.S. Geological Survey recorded the quake at 12:20 a.m. ET (04:20 UTC) on Oct. 20. It placed the epicenter 197 kilometers northwest of Port-Olry, Vanuatu, at a depth of 16 kilometers.
The warning center used a preliminary magnitude estimate of 6.6, compared with the survey’s 6.3 reading. It said it would issue another statement if new information arrived or conditions changed.
