The earthquake triggered powerful tsunami waves that reached heights of up to 40 meters and caused the Fukushima Daiichi nuclear disaster.

The 9.0-magnitude Tohoku earthquake in March 2011 triggered a massive tsunami, causing over 15,000 deaths and the Fukushima nuclear disaster in Japan.

Both were massive megathrust earthquakes occurring at subduction zones, generating massive tsunamis.

The 2011 Tōhoku earthquake and subsequent tsunami disabled the power supply and cooling of three reactors at the Fukushima Daiichi Nuclear Power Plant.

Mexico is the world’s top silver producer, with major mines like Peñasquito contributing significantly to global supply. Its long history of silver mining and favorable geology ensure its dominance, supporting industries like jewelry, electronics, and solar energy.

The Sudan-South Sudan border, established after South Sudan’s independence in 2011, is not referred to by a specific named line like the Green Line. It follows colonial-era boundaries, with disputes in areas like Abyei.

The global population reached approximately **8.2 billion** people in 2024, continuing its growth trajectory, although the annual growth rate has slowed down over the past decades. The 7 billion mark was crossed around 2011.

Tahrir Square, a major public space and site of the 2011 Egyptian Revolution, is in Cairo, Egypt. Unlike Baghdad, Damascus, or Tehran, Cairo’s Tahrir Square is globally significant, as correctly noted in the document.

Estonia adopted the Euro as its official currency in 2011, replacing the Estonian Kroon. The Euro is used across the country, aligning Estonia with other European Union member states.

Dermatology is the branch of medicine concerned with the diagnosis and treatment of skin disorders. Geology is the study of the Earth. Orology is the study of mountains. Ecology is the study of organisms and their environment.