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Overview A magnitude 5.4 earthquake struck the Mid‑Indian Ridge on 12th October 2026, according to the United States Geological Survey (USGS). The quake occurred at a depth of 10 km, classifying it as a shallow‑focus event, which typically produces stronger surface shaking than deeper quakes. The Mid‑Indian Ridge is part of the vast…
A magnitude 5.7 earthquake struck south of Africa on 20th September 2026 at 20:54 UTC, according to data from the USGS. The event occurred at a depth of 10 km, placing it within the shallow crustal zone of the Southwest…
A magnitude 6.0 earthquake struck the Gulf of Aden on 27th August 2026 at 21:07 UTC, according to data released by the United States Geological Survey (USGS). The quake occurred at a shallow depth of 10 km, which increases the…
A magnitude 6.0 earthquake struck the Western Indian–Antarctic Ridge at a shallow depth of 10 km, occurring far from populated areas in the southern Indian Ocean. No damage or tsunami alerts have been reported, but earthquakes in this region are…
A magnitude 5.7 earthquake struck the Southeast Indian Ridge at a shallow depth of 10 km, occurring far from populated areas in the open Indian Ocean. No damage or impacts have been reported, which is typical for seismic events along…
A magnitude 5.9 earthquake struck the Southeast Indian Ridge at a shallow depth of 10 km, occurring far from land in the open Indian Ocean. No impacts have been reported, which is typical for seismic events along this remote mid‑ocean…
The Carlsberg Ridge is a slow-spreading submarine ridge in the northwestern Indian Ocean, defining the plate boundary between the African and Indian (or Somali) plates. It extends from the Gulf of Aden to the Central Indian Ridge, featuring rugged topography…
Extends roughly from the central Indian Ocean southwestward toward the Southern Ocean, between the Africa-Antarctica and India-Antarctica spreading centers. Lies south of Madagascar and east of the African continent, curving toward Antarctica. It is a divergent boundary, meaning the Indian…
It is located in the western Indian Ocean about 420 miles (680 km) east of Madagascar and 110 miles (180 km) southwest of Mauritius. Réunion is almost elliptical in shape, about 40 miles (65 km) long and 30 miles (50…
The Prince Edward Islands are two small uninhabited subantarctic volcanic islands in the southern Indian Ocean that are administered by South Africa. They are named Marion Island (named after Marc-Joseph Marion du Fresne, 1724–1772) and Prince Edward Island (named after…