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Images: The Magnetic Thickness of a Recent Submarine Lava Flow

Scientists and crew launch ABE from Atlantis II for a 1995 magnetic field mapping run on a new Juan de Fuca Ridge lava flow.
Bathymetric map of CoAxial lava eruption site located on the Juan de Fuca Ridge (see inset). The gray shaded region represents the extent of the new lava eruption. The bold lines are the tracks of the autonomous vehicle ABE.
Shaded areas on plot show strong magnetic field anomalies measured by ABE over the new lava flow.
Two maps compare (a) the lava thickness determined from the magnetic field measurements compared to (b) lava thickness determined from differential bathymetry. The bold outline is the actual observed extent of the new lava flow.
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