I finally got around to checking my Usu reference. There was much interesting info at "Usu volcano, Japan", but I finally discovered the picture I remembered in one of the 8 volcano books I have read in the last few years. The source is "Volcanism" by Hans-Ulrich Schmincke, 2004, page 6. The photo shows an area of road and adjacent fence and plants which were elevated as much as 200 feet over a space about 2/5ths of a mile wide. The land is basically intact, except for a bunch of cracks across the road. This took place in 2000, at which time the volcano also erupted. I don't know if the bulge then deflated.
At the historic point on the red sea where Solomon erected his markers of the place of the event, there happens to be a sort of underwater bridge. If the waters were parted at that point, you could walk right across on solid level ground all the way to the other side. And given that there are Egyptian Chariots strewn about that area under water, it's rather obvious.. it just doesn't sit well with a lot of folks who are bothered that they can't explain it away with some natural means. But they feel the attempt must be made no matter how absurd. Who cares how God did it. It is enough that he did and left evidence of it.