According to KUTV, a series of more than a dozen small earthquakes hit near Cedar City, Utah starting on Feb 7, 2013. They did no damage but definitely caught the attention of residents and scientists alike.
The quake cluster ranged in magnitude from just under 1.0 to 3.7 with epicenters located about 9 miles northwest of Cedar City, near the town of Enoch.
The quakes started around midday on Wednesday with a 2.7 quake. Three more earthquakes hit in rapid succession around noon on Thursday, registering 2.0, 3.1, and 3.5. The series of quakes continued on Thursday evening, with a 3.7 tremor hitting at 7:47 p.m., followed by a 2.8 at 8:19 p.m. The last quake in the series – a 1.2 magnitude – was on Friday at 4:16 a.m.
Zetas of ZetaTalk on Utah: Where the Rocky Mountains are relatively new mountains, mountain building does not affect all areas equally. The stress of subducting plates being pushed under overlying plates or compression of land being crinkled as it is pushed horizontally, is distributed to the weaker parts of the mountain range. US states lying in old rock give evidence of not having succumbed in the recent past and are a good indication of safety during the coming [earth] changes. The Salt Flats are such places, but are without protection to the hurricane force winds that are expected [during the Pole Shift]. Where rock surrounding valleys is smooth, without rough edges indicating recent tears, these valleys may be considered safe in Utah.
Enoch resident J.D. Price described the largest of the quakes as “Almost like a sonic boom. It was a much larger boom and then there was kind of the rumbling.”
Mark Colberg, Ph.D., a geosciences professor at Southern Utah University, said, “I think people should be aware that earthquakes do happen here. There is a potential for large earthquakes here.”Bill Lund, a senior geologist with the Utah Geological Survey said, “I personally felt the 3.7 last night. At my house it just felt like a bang.”
“You can’t be sure that they aren’t a precursor to something larger,” Lund said. “Or they may just be a little swarm just doing their own thing.”
“Nobody should be complacent about earthquakes in Utah for sure. It’s a real hazard, a real risk,” said Lund, who hopes to see more studies done on the Hurricane and Washington Faults so that scientists can better understand the frequency and magnitude of past earthquakes.
Lund thinks of the faults as alarm clocks set to their own schedules. Source
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