M6.9 Earthquake Strikes central Mid-Atlantic Ridge

A magnitude 6.9 earthquake has been recorded central Mid-Atlantic Ridge, occurring at 12:23 UTC on Tuesday, October 13, 2026. The earthquake's focal depth is 10.0 km. A tsunami advisory has been issued for this event. Coastal residents in the region should monitor official channels and move to higher ground if instructed to do so.

Earthquake Details

At a focal depth of 10.0 km, this is classified as a shallow earthquake (0–70 km). Shallow events are typically the most damaging: the seismic energy has less distance to travel before reaching the surface, resulting in stronger and more abrupt ground shaking at the epicentre.

A magnitude 6.9 earthquake is classified as a major event and is potentially destructive across a wide area, capable of causing widespread damage and casualties. Major earthquakes produce violent shaking that can last a minute or longer. Damage is widespread and severe. Ground rupture, large-scale landslides, liquefaction, and infrastructure failure are likely near the epicentre. Events at this magnitude can generate tsunamis if they occur under or near the ocean.

Tsunami Risk: What You Need to Know

Not every large earthquake generates a tsunami. The key conditions required are: a large magnitude (generally M7.0+), a shallow focal depth under the ocean floor, and vertical displacement of the seafloor. Tsunamis can travel across ocean basins at speeds up to 800 km/h — as fast as a commercial aircraft — and may arrive at distant coastlines hours after the originating earthquake.

For coastal residents in the region: if you felt strong earthquake shaking, treat it as your natural warning and move immediately to higher ground. Do not wait for an official alert — the earthquake itself is your warning.

Regional Seismic Context

Africa is generally considered a stable continental landmass with lower seismic activity than plate boundary regions. However, the East African Rift System — stretching from the Afar Triangle through Ethiopia, Kenya, Tanzania, and Mozambique — generates significant earthquakes as the continent slowly tears apart.

North Africa, particularly Morocco, Algeria, and the Mediterranean coast, faces moderate to high seismic hazard from the African-Eurasian collision. The 2003 Boumerdès earthquake in Algeria (M6.8, ~2,200 deaths) and the 2023 Al Haouz earthquake in Morocco (M6.8, ~3,000 deaths) demonstrated the region's vulnerability.

Safety Actions

Agree on an out-of-area contact that family members can reach if local communications are disrupted. Identify two meeting points: one near your home and one further away. Practise earthquake drills, especially with children and elderly household members.

If you are on or near a coast and experience strong or prolonged earthquake shaking, treat it as a potential tsunami warning and move immediately to high ground. Do not wait for an official alert — natural warning signs (severe shaking, unusual sea withdrawal) are your first alert.

National civil protection agencies in affected countries coordinate responses, often with support from international organisations including the UN Office for the Coordination of Humanitarian Affairs (OCHA).

Energy Released

A magnitude 6.9 earthquake is among the most powerful geological events that regularly affect human populations. The energy released — approximately approximately 32 times the energy of a M6.0 earthquake — equivalent to a megaton-class nuclear arsenal — is comparable to the detonation of several nuclear weapons, spread over a fault rupture that can extend for tens or hundreds of kilometres.

Major earthquakes are capable of causing widespread building collapse, particularly in areas with high proportions of older or non-engineered construction. Casualties from building collapses and secondary hazards (fires, gas leaks, dam failure) are a serious concern. Emergency response systems are typically overwhelmed in the immediate aftermath.

Stay Updated

Monitor the Pacific Tsunami Warning Center (ptwc.weather.gov), your national meteorological or civil protection agency, and official government channels for the latest advisories. QuakeWatch provides real-time earthquake data on our live map — you can track this event and all aftershock activity as it develops.