India, Aug. 22 -- A strong earthquake struck the Drake Passage region on Thursday (local time), according to the US Geological Survey (USGS), which downgraded the intensity of the quake from magnitude 8 to 7.5.

While the US tsunami warning system did not issue any alert after the Drake Passage earthquake, the Pacific Tsunami Warning Center (PTWC) briefly issued a warning for Chile, saying hazardous tsunami waves from the earthquake in Drake Passage are possible within the next three hours along some Chilean coasts.

Chile's Navy Hydrographic and Oceanographic Service also issued a precaution for the Chilean Antarctic territory.

The earthquake struck at a depth of 10.8 kilometres, according to the USGS data.

The German Research Center f...