To celebrate that I will soon be visiting there, I am digging up various facts.
G. is sliced in half by the upper part of the Caribbean Plate. For some reason the Pacific Plate plunges much more steeply than in Mexico, but produces more volcanoes. This makes it less likely for big shallow quakes, which is good for me. Volcanoes are more easily avoided, unless somebody says "Let's look at that big one that just started up." I'll just stuff that person in a sack. :)