“Out in LALA-land, 4.5 would go unnoticed, unfelt, and definitely unremarked. Call in with 6.5 or better. “
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Here in the Philippines, we are having quakes most every day now, since a 7.5, about a month ago, but most are under 4.5. We can feel the 4.5 quakes but only if sitting still.
Look to see if the US has a web site like this: http://www.phivolcs.dost.gov.ph/html/update_SOEPD/EQLatest.html
Also, check out the home page: http://www.phivolcs.dost.gov.ph/
I live about 40 km from the Tagbilaran quake centers.
The USGS handles earthquake information. They have quite a bit on there.