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KNOXVILLE, Tenn. (WVLT) – The U.S. Geological Survey confirms three earthquakes struck the Eastern Tennessee Seismic Zone between Saturday evening and Sunday morning.
USGS officials say the first was a 2.0 magnitude quake epicentered along the Tennessee-North Carolina border, about nine miles southeast of Tellico Plains in the Nantahal National Forest. It started just after 5:13 PM and was located in a fault measured to be 5.2 miles beneath a ridge near Elbow Creek.
The second quake occurred at 9:03 PM. USGS says it was a 2.7 magnitude quake and was epicentered about four miles southeast of Vonore, in an open field between Tomotley Road and the Little Tennessee River. The quake originated in a fault measured at a depth of exactly four miles underneath the epicenter.
The final quake occurred early Sunday morning at 2:24 AM. USGS says it had a magnitude of 1.1 and was epicentered four miles east of Sweetwater, in a wooded area near the intersections of Forner Chapel Road and Highway 322. The fault was located 11.2 miles beneath the epicenter.
All three earthquakes came on the heels of a 2.4 magnitude quake epicentered about two miles northwest of Maryville on Friday morning.
The Eastern Tennessee Seismic Zone is considered one of the most active earthquake areas in the Southeast, meaning quakes can occur at anytime in the region. More than a dozen small quakes have been measured across East Tennessee over the last eight months.
At least three earthquakes occurred over seven days in late December 2008. All three had epicenters located within 75 miles of TVA’s Kingston Fossil Plant, leading to some minor speculation that the series of quakes possibly played a role in the December 22nd coal ash spill.
The Southern California Weather Authority has issued an Official Earthquake Watch for California until May 29th. They have stated the area is now prime and the conditions are right for a moderate (4 magnitude) to larger Earthquake to happen.
A RIDGE OF HIGH PRESSURE IS BUILDING IN RAPIDLY AND WILL MAXIMIZE OVER THE AREA ON MAY 27TH, DROPPING TO THE EAST BY MAY 28TH IN THE EVENING. THE COMBINATION OF BERKLAND'S SEISMIC WINDOW AND THIS WILL LIKELY LEAD TO AN ACTIVE FEW DAYS.
A 3.4 AFTERSHOCK DID HIT THE KEELER, CALIFORNIA AREA ON MAY 25, 2009 BUT MORE IN DIFFERENT LOCATIONS WILL BE ON THE WAY IF THESE COME TOGETHER JUST RIGHT. ON THE OTHER HAND, FRANK CONDON MONITORS ULTRA LOW FREQUENCIES IN THE FAULT ZONES AND HAS PUT THE AREA IN A 7-DAY ADVISORY. USUALLY WHEN FRANK, JIM, AND THE SOUTHERN CALIFORNIA WEATHER AUTHORITY AGREE, SOMETHING SEISMIC DOES HAPPEN.
THIS IS NOT A SMALL EVENT SUCH AS A THREE SERIES QUAKE, BUT FOUR SERIES OR LARGER WILL BE LIKELY BEFORE MAY 29, 2009. BERKLAND'S SEISMIC WINDOW CLOSES ON MAY 30TH, 2009, AND OUR WINDOW WILL GO AHEAD AND SHUT ON MAY 29TH AT MIDNIGHT.
THE ATTEMPT TO LOCATE AREAS OF FAILING FAULTS WILL STILL BE IN THE SAN FERNANDO VALLEY AREAS, DOWN TO OFFSHORE ORANGE COUNTY, EASTWARD THROUGH ONTARIO AND YUCAIPA, INCLUDING THE BANNING PASS. STRESS FROM THE MAGNITUDE 4.7 EARTHQUAKE IN KEELER IS MOVING SOUTH AND FURTHER NOTED NEAR THE LANDERS AND BARSTOW AREAS, INCLUDING THE GARLOCK FAULT ZONE. THE SAN JACINTO FAULT IS CREEPING AS WELL AND IS AN AREA TO WATCH. NEVER-THE-LESS THE NEXT FEW DAYS WILL BE A CERTAIN TEST TO ALL THREE PREDICTION PROCESS.
Originally posted by grover
reply to post by ChemBreather
It was one single jolt... and a banging sound afterward... that is what pretty much everyone reported... the epicenter was about 5 miles from here in the Cave Spring section of southwest Roanoke county. It registered as i said a 3.0.