Hamun Maskhel Lake, located in the Balochistan plateau of Pakistan, is a saltwater lake. Its saline nature is due to the arid climate and limited freshwater inflow, which concentrates salts in the lake.

The magnitude 6.3 earthquake caused severe damage in Christchurch and killed 185 people.

The EF5 tornado that struck Joplin, Missouri, caused damage amounting to nearly $3 billion (2011 dollars), making it the costliest single tornado in U.S. history.

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.

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.

Diglossia describes a situation where a community uses two functionally distinct variants of the same language: a 'High' form (H) for formal settings (like literature, government) and a 'Low' form (L) for everyday conversation.