posted on Jul, 15 2004 @ 10:49 AM
You'd probably find that most earthquakes occur on the other side of the Pacific, along the whole island chain stretching from Japan in the north to
Papua New Guinea in the south. This is where the fault lines are considered to be under the most pressure, with the Phillipine, Australian, Indian,
Eurasian, Pacific and North American Plates all colliding in this region.
Having said that, I am referring only to the frequency of earthquakes. Severe quakes can occur anywhere along any faultline in the world, and
sometimes there can be a quake where there are no major faultlines.
The Juan De Fuca Plate off the Pacific coast of the US gets a lot of press coverage due to its proximity to large population centres, threatening what
is pretty much the centre of modern media - LA. The east end of the plate contains the famous San Andreas Faultline. The Plate's small size and
instability has the potential to wreak a lot of havoc.
The fact that the website you are looking at is run by the USGS (United States Geological Survey) pretty much sums up the discrepancy you have
noticed. Its main aim is to monitor quake activity in the US. The worldwide stats they gather come from quake monitoring stations around the world
which are not under the auspices of the US. These stations are not under obligation to supply the USGS with quake info. Consequently, the worldwide
map on USGS's site may not necessarily be as complete or up-to-date as the US map.
No opinions, just information.