We're looking, at the top of this shot, directly up-dip into
the lava flow in the center of the previous photo. Even though it looks flat, it's tilted toward us. You can imagine standing squarely in front of a house and seeing a seemingly flat edge of the roof above the gutter. The "line" is flat only because it cuts perpendicularly to the gradient of a tilted plane. That doesn't mean the roof is flat or horizontal. This is exactly the same situation, but with rocks, not roofs. (The blurry blue thing at the bottom is a passing car.)
Photo unmodified. October 9, 2014.
FlashEarth location.
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