Two M6.0 earthquakes hit the western Indian-Antarctic Ridge
Two M6.0 earthquakes struck the western Indian-Antarctic Ridge within 10 minutes, at 14:51 UTC and 15:01 UTC on May 27, 2026.
Epicenter of M6.0 earthquake on the western Indian-Antarctic Ridge on May 27, 2026. Credit: TW/SAM, ESRI
Both quakes were located in the same area, about 990 km (620 miles) SW of Geeveston, Tasmania, at a depth of 10 km (6.2 miles).
The USGS issued a Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.
There are likely to be no affected structures in this region.
There is no tsunami threat.
Estimated population exposure to earthquake shaking
Regional seismicity]
References:
1 M6.0 western Indian-Antarctic Ridge – USGS – May 27, 2026
2 M6.0 western Indian-Antarctic Ridge – USGS – May 27, 2026
Teo Blašković founded The Watchers in 2011 and edited it until 2026, covering seismic and volcanic activity, extreme weather, space weather and near-Earth objects. Articles on this page are his archive.
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