Earlier quakes were also reported in the same vicinity at 2:12, 2:24 and 2:44 a.m. Saturday morning and were measured at 4.7, 3.4 and 2.7 respectively.
Rumbling could be felt in Oklahoma City, Tulsa, Texas, Wichita, Hutchinson, Salina, Hays, Missouri and many other areas. The largest previously recorded quake in Oklahoma was a 5.5 on April 9, 1952 according to the US Geological Survey.
Aftershocks continued through Saturday night and a smaller 4.0 quake was recorded around 9 a.m. Sunday.
Update:
Another quake, this time a 4.7 was felt in Wichita, originating from the same Wilzetta Fault as Saturday's quake, occured at 8:49 p.m. on Monday. The center was located about 45 miles east of Oklahoma City.
The rise in quakes in Oklahoma are a mystery to scientists. A similar rise in quakes occured in Arkansas and had many believing injection wells were to blame. Injection wells were closed in those regions and the number or quakes dropped. Could the same thing be happening in Oklahoma?
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