Southwest Indian Ridge — A magnitude 4.7 earthquake struck the Southwest Indian Ridge in the southern Indian Ocean early Sunday morning, the U.S. Geological Survey reports.

What happened:

The quake hit at 6:29 AM Central Time on Sunday, November 8, about 10 kilometers below the ocean floor. Its epicenter sat along the Southwest Indian Ridge, a remote undersea mountain chain in the southern Indian Ocean, far from any coastline or populated area.

Impacts:

No shaking was reported on land, and no damage reports have come in. The Geological Survey issued no tsunami warning for this quake, and none is expected from a tremor of this size in this location.

What to do:

No action is needed for this remote quake. As a general reminder, if you ever feel shaking, drop to the ground, take cover under a sturdy table, and hold on until it stops. Stay clear of windows and heavy objects that could fall, and be ready for aftershocks.

Source: U.S. Geological Survey (USGS), November 8, 2026.