Overview

• USGS recorded the earthquake at magnitude 8.0 with a shallow depth of about 10 kilometers in the remote strait between South America and Antarctica.
• The epicenter was reported in the Drake Passage roughly 717 kilometers southeast of Ushuaia, with the event occurring at 23:16 local time.
• A tsunami advisory/watch was issued and updated as agencies evaluated sea‑level data and refined seismic measurements.
• Early magnitudes varied, with initial reports near 7.5 and a 7.6 reading from Chile’s national seismology center before updates to 8.0.
• No confirmed reports of damage or casualties were noted in early coverage as Chilean and Argentine authorities maintained coastal monitoring.