Magnitude 7.1 Rat Islands, Aleutian Islands, Alaska March 17, 2003 …
There was a large magnitude quake in mid March 2003:
The North Atlantic Weather chart is good for giving notice of these things:
Now you don't see it:
Now you do:
What happened here?
Here is the day before the above run:
It looks like it was made up up of forces already in the North Atlantic, a dual centred Low. Then it was joined by something that might have come from Cape Hatteras.
But that is blind guesswork.
So if it was a dual then it might well have been a severe tropical storm? It lasted long enough. Either that or two or three quakes not large enough to be recalled by the NEIC list?