M6.6 Earthquake — northern Mid-Atlantic Ridge

A magnitude 6.6 (strong) earthquake struck northern Mid-Atlantic Ridge on 2026-03-21 12:16 UTC, at a depth of 10 km. See it live on Earth Live's real-time 3D globe.

USGS PAGER green: low likelihood of casualties or damage — the USGS estimate of human and economic impact.

This is the USGS oceanic-region flag. It is not a tsunami warning. For official alerts check tsunami.gov and your national authority.

🌍 View live on the 3D globe →

Source: USGS event page. The TNT equivalent is computed from the magnitude with the standard Gutenberg–Richter energy relation; all other figures are USGS's own.

This area's earthquake history

In the year before this quake, USGS recorded 9 earthquakes of magnitude 2.5 or more within 300 km.

Strongest recorded within 300 km since 1900:

• M6.8 — northern Mid-Atlantic Ridge · 1922-01-09
• M6.4 — northern Mid-Atlantic Ridge · 1963-05-19
• M6.4 — northern Mid-Atlantic Ridge · 1991-06-10

More recent earthquakes

• M5.3 — central Mid-Atlantic Ridge
• M4.8 — 32 km SSE of Jurm, Afghanistan
• M5.0 — 295 km S of Burica, Panama
• M4.6 — 110 km S of Dampit, Indonesia
• M5.0 — 21 km ESE of Feke, Turkey
• M4.7 — 22 km E of Feke, Turkey
• M4.7 — 21 km SSE of Saimbeyli, Turkey
• M5.5 — Volcano Islands, Japan region

All earthquakes in the last 24 hours →

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