4.8 Earthquake in Oklahoma

[WesL]

Got the tweet this morning from my NWS office in Tulsa. @bjdeming isn't there some type of phenomena around earthquakes and extremely cold temperatures?

 

[bjdeming]

Well, I've heard of cryoseisms, especially up in the Northeast. Never felt one, though.

The cold in Oklahoma (and many other places) is intense, but this occurred a few miles down, so it isn't frost related. Am not too skilled at reading "beachballs," but that looks like it was movement along a normal fault somewhere. (?? local geology??)

Looks like it did some shaking. Did anyone here from that area, especially around OK City or Wichita, feel it?

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PS: Thanks for asking, Wes. I've been away for a while but checked back in, figuring you would mention the Persverance Mars landing in the Space forum. Sir, that play-by-play you did, and the high-quality images, are superb!

 

[bjdeming]

Today there was a 3.7 to the southwest of that large one. Have looked into this a little: wastewater injection might be the culprit, though I haven't read any direct attribution. Here's a relevant USGS page.

Also, someone at the Weston Observatory shared this helpful graphic:

 

[bjdeming]

Modified Mercalli Scale V shaking in and around Wichita from today's M3.9.