Strong earthquake · May 27, 2026

M 6.0 Earthquake, western Indian-Antarctic Ridge

A magnitude 6.0 (mww) earthquake struck western Indian-Antarctic Ridge on May 27, 2026 at 14:51 UTC, at a depth of about 10 km (6 mi), according to the USGS. The USGS PAGER alert level is green.

Updated Aug 5, 2026, 11:58 AM EDT (USGS snapshot)

M 6.0 mww PAGER Green Reviewed by a seismologist

This is not an early-warning system. For tsunami warnings see tsunami.gov; for emergencies follow local authorities.

Event details
Magnitude6.0 mww (Strong)
Time (UTC)
U.S. Eastern TimeMay 27, 2026, 10:51 AM EDT
Locationwestern Indian-Antarctic Ridge
Coordinates50.507° S, 139.487° E
Depth10.0 km (6.2 mi), shallow
Felt reportsNone reported
Tsunami flagNo
PAGER alertGreen
USGS event IDus7000snvr

Source: USGS Earthquake Hazards Program, event us7000snvr. Last updated by the USGS Aug 5, 2026, 15:58:59 UTC.

USGS event page View on OpenStreetMap

What the numbers mean

Tsunami flag
The USGS sets this flag for large events in oceanic regions. It does not mean a tsunami happened or will happen. Official tsunami warnings come from the NOAA Tsunami Warning Centers at tsunami.gov.
PAGER alert
An automatic USGS estimate of likely fatalities and economic losses: green (little or none), yellow, orange, or red (highest). It can change as more data arrives.
Felt reports
People who felt shaking can describe it through the USGS "Did You Feel It?" survey on the event page. The count grows for hours or days after an event.
Local time
The local time at the epicenter is not shown because the area spans more than one time zone or is offshore.

Other recent earthquakes within 300 km

Nearby events from the past 30 days (M 4.5+), past 7 days (M 2.5+), and past year (M 6+)
MagnitudeLocationTimeDepth
M 5.5west of Macquarie Island PAGER green
0 sec ago		10.0 km
M 6.0western Indian-Antarctic Ridge PAGER green
70 days ago		10.0 km

After an earthquake

Expect aftershocks. If you are near the coast and feel strong or long shaking, move to high ground right away without waiting for an official warning. Check on neighbors and follow instructions from local emergency officials.

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