The lava must have cooled like a pumpkin pie, settling in the center as it cooled but leaving a cracked crust around the edge.
Exposure mode: program (auto)
Metering Mode: matrix
Exposure time: 0.0025 s (1/400)
Aperture: f/3.6
Focal length: 8.0mm (35mm equivalent: 37mm)
ISO: 80
Flash: No
File size: 2660775 bytes
Camera maker: FUJIFILM
Camera model: FinePix F10
Resolution: 2848 x 1898
Page 67 / 107