October 6, 1973 Earthquake: Antarctica

Name: October 6, 1973 Earthquake: Antarctica
Start: 1973-10-06
Location: Antarctica

October 6, 1973 · M7.5

A magnitude 7.5 earthquake struck Antarctica on October 6, 1973 at 15:07:37 UTC, 33 km below the surface.

Map

Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.

The earthquake

Date: October 6, 1973
Time: 15:07:37 UTC
Place: Antarctica
Magnitude: 7.5 (Ms)
Focal depth: 33 km (21 mi)
Tsunami: None recorded
Epicenter: 60.820° S, 21.550° W
Country: Antarctica

The toll

The record gives no deaths, injuries or damage for this earthquake.

Significant earthquakes of 1973 The 1900s Every quake the USGS located in 1973 Recent earthquakes near here This day in weather history

Sources

Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 4645.