Published January 24, 2021 9:27am The Philippine Institute of Volcanology and Seismology on Sunday said there is no threat of tsunami to the country after an earthquake struck Antarctica. “A major earthquake with a preliminary magnitude of 7.3 occurred in South Shetland Islands on 24 January 2021 at 07:37 AM (Philippine Standard Time) located at 62.0 oS, 55.3 oW with depth of 10 km,” PHIVOLCS said. “No destructive tsunami threat exists based on available data,” PHIVOLCS said in its advisory.