I stopped to check email just now and found two odd things. I have the USGS earthquake feed on RSS. The USGS has deleted a number of 4.0+ magnitude earthquake reports tonight; it looks like fireworks are setting off the seismographs. But while I was laughing at that, I noticed a very real 7.6-magnitude earthquake near Kamchatka which, fortunately, does not appear to have caused a tsunami.
A 7.6 is a big deal. The earthquake that levelled San Francisco in 1906 was about an 7.8. No one appears to have been hurt today, which is fortunate.