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East African Rift

Imagine the Earth stretching and cracking like a giant puzzle! That's the East African Rift!

Images

Porphyritic nepheline syenite (float boulder from summit spires of Mt. Kenya Volcano, south-central Kenya, East African Rift Valley)

Porphyritic nepheline syenite (float boulder from summit spires of Mt. Kenya Volcano, south-central Kenya, East African Rift Valley)

openverse
Trachyte obsidian (Quaternary; Ol Doinyo Nyukie Volcano, southern Kenya, East African Rift Valley)
Porphyritic-nepheline-syenite-float-boulder-from-summit-spires-of-mt-kenya-volcano-south-central-kenya-east-african-rift-valley 14850513499 o
Porphyritic anorthoclase phonolite (Pleistocene; southern slopes of Mt. Kenya Volcano, south-central Kenya, East African Rift Valley)
Natrocarbonatite ash & lapilli (August to October 1966 eruption of Old Doinyo Lengai Volcano, East African Rift Valley, northern Tanzania)
Lava (Quaternary; Mt. Longonot Volcano, East African Rift Valley, Kenya) 3
Erionite siltstone with gaylussite crystal casts (Green Beds, Upper Pleistocene, 40 ka; southeastern shoreline of Lake Magadi, Kenya, East African Rift Valley)
East African Rift System, Lake Malawi museum
Natrocarbonatite (1963 pahoehoe lava flow, Old Doinyo Lengai Volcano, East African Rift Valley, northern Tanzania)
Natrocarbonatite (1963 pahoehoe lava flow, Old Doinyo Lengai Volcano, East African Rift Valley, northern Tanzania)
Interbedded lacustrine chemical chert-erionite siltstone (Green Beds, Upper Pleistocene, 40 ka; southeastern shoreline of Lake Magadi, Kenya, East African Rift Valley) 2
Albertine Rift, East African Rift (artificial rendering)

Key Facts

Location
East Africa.
Age
Began forming 22-25 million years ago.
Movement Speed
About as fast as fingernails grow (6-7 mm per year).
Fun Fact
Many of Africa's Great Lakes are located within this rift!

A Super-Duper Giant Crack!

The East African Rift is like a giant crack in the Earth's skin, stretching for thousands of miles across Africa. It's so big, you can see it from space! This crack is slowly getting wider, like a yawn from a sleeping giant. It's a very special place where the ground is moving and changing all the time, making amazing mountains and deep valleys.

When Did This Happen?

This giant crack didn't just appear overnight! It started forming a super long time ago, about 22 to 25 million years ago. That's way, way, WAY before dinosaurs were even around! It's a slow process, and the Earth is still working on making this rift bigger. It's like watching a very slow-motion movie of the planet changing.

What's Inside the Crack?

Guess what? Many of Africa's biggest and most beautiful lakes are found right inside this giant rift! Imagine huge blue lakes nestled in deep valleys. These lakes are like sparkling jewels in the Earth's crack. The land around them is full of amazing sights and sounds, making it a very special place for animals and people.

Moving and Grooving Earth!

The Earth's surface is made of giant puzzle pieces called plates. The East African Rift is where one of these big plates, the African plate, is slowly splitting into two smaller pieces. It's moving so slowly, only about as fast as your fingernails grow! This slow splitting is what creates the rift valley and all its amazing features.

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Based on content from Wikipedia ยท Licensed under CC BY-SA 4.0