Utah
Small, medium quakes common in Southern Utah; but what about the ‘big one?’
A constructing exhibits harm from the Springdale landslide, Springdale, Sept. 2, 1992. (Utah Geological and Mineral Survey, St. George Information)
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ST. GEORGE — It is occurred earlier than, and it will occur once more — a “rolling shake” underfoot lasting seconds, possibly longer. Decrease magnitude earthquakes are widespread in seismically lively Southern Utah, however what concerning the “huge one?”
On Sept. 19, St. George Information reported a 4.4 magnitude earthquake with a spotlight level on Shivwits Plateau in Arizona, 31 miles south of St. George. The “shallow shaker” occurred at a depth of 6.2 miles.
The quake reportedly was felt all through the St. George metro space, Mesquite, Kanab, Cedar Metropolis and so far as Brian Head, in line with one report. Nevertheless, no accidents or property damages have been reported.
About 1,500 earthquakes happen yearly in Utah, together with aftershocks, with a median of roughly 13 measured at a magnitude of three.0 or extra, in line with the College of Utah. About 2% of those are felt.
On Sept. 2, 1992, Washington County was rocked by a 5.8 magnitude earthquake, which was the biggest in current historical past.
Learn the complete article at St. George Information.