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Spacecraft nadir point: 51.7° N, 103.1° E

Photo center point: 51.5° N, 104.5° E

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Nadir to Photo Center: East

Spacecraft Altitude: 200 nautical miles (370km)
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Image Caption: Lake Baykal Rift & Transform Fault
Lake Baykal, largest fresh-water lake in the world, occupies a rift
valley (graben) that is 75 km wide and ~600 km long. The city of Irkutsk
is on the banks of the Angara River, above the Space Station. A
200-km-long transform fault zone connects the Baykal rift valley with
the Lake Hovsgol rift farther west (see STS101-720-58; these two photos
form a stereo pair). Lavas erupted from volcanoes at the junction of
Baykal rift faults and the transform fault zone - for example, the
circular features southwest of Irkutsk - have brought chunks of mantle
rock to the surface.