From: Jacksonville, FL, USA
Kelvin Waves, actually well known for a long time. I when I was on active duty had heard of subs seriously knocked around by them, but never a loss to one. That said, Indonesia is one of the most tectonically active areas on the planet. People talk about a Yellowstone super eruption, but if it were to actually happen Indonesia is most likely. Tambora in 1815 was a 7 on the 1-8 Volcanic Explosive Index (VEI), and caused the "Year without a summer in 1816."
"Some people spend an entire lifetime wondering if they made a difference. The Marines don't have that problem."
PRESIDENT RONALD REAGAN, 1985
I was Navy, but Assigned TAD to the 24th MAU Hq in Beirut. By far the finest period of my service!