Deepest Tunnel Ever Dug at Debra Jacob blog

Deepest Tunnel Ever Dug. In fact, this is the deepest hole we've ever dug into our planet. Lying below a small, nondescript rusty cap in murmansk, russia, is the deepest hole ever drilled, reaching a whopping 12 kilometres (7.5 miles) into the earth's crust. From 1970 to 1994, in the western russian province of murmansk, the kola superdeep borehole drilled to the deepest point ever reached below earth’s surface. Known as the kola superdeep borehole, the deepest hole ever dug reaches approximately 7.5 miles below the earth’s surface (or 12,262 meters), a depth that took about 20 years to reach.* It's called the kola superdeep borehole, and for once, it has nothing to do with extracting fossil fuels.

World’s longest and deepest tunnel opens New Civil Engineer
from www.newcivilengineer.com

From 1970 to 1994, in the western russian province of murmansk, the kola superdeep borehole drilled to the deepest point ever reached below earth’s surface. In fact, this is the deepest hole we've ever dug into our planet. It's called the kola superdeep borehole, and for once, it has nothing to do with extracting fossil fuels. Known as the kola superdeep borehole, the deepest hole ever dug reaches approximately 7.5 miles below the earth’s surface (or 12,262 meters), a depth that took about 20 years to reach.* Lying below a small, nondescript rusty cap in murmansk, russia, is the deepest hole ever drilled, reaching a whopping 12 kilometres (7.5 miles) into the earth's crust.

World’s longest and deepest tunnel opens New Civil Engineer

Deepest Tunnel Ever Dug Known as the kola superdeep borehole, the deepest hole ever dug reaches approximately 7.5 miles below the earth’s surface (or 12,262 meters), a depth that took about 20 years to reach.* It's called the kola superdeep borehole, and for once, it has nothing to do with extracting fossil fuels. Known as the kola superdeep borehole, the deepest hole ever dug reaches approximately 7.5 miles below the earth’s surface (or 12,262 meters), a depth that took about 20 years to reach.* From 1970 to 1994, in the western russian province of murmansk, the kola superdeep borehole drilled to the deepest point ever reached below earth’s surface. In fact, this is the deepest hole we've ever dug into our planet. Lying below a small, nondescript rusty cap in murmansk, russia, is the deepest hole ever drilled, reaching a whopping 12 kilometres (7.5 miles) into the earth's crust.

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