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102 0 obj <> endobj xref 102 55 0000000016 00000 n www.sciencedaily.com/releases/2008/04/080424171350.htm (accessed August 11, 2020).Below are relevant articles that may interest you. 0000007090 00000 n 0000023408 00000 n The largest-magnitude earthquake in the past 20 years struck near Mt. The Illinois Earthquake of April 18, 2008 and Aftershocks U.S. Geological Survey's felt and damage report maps. Carmel in southeastern Illinois on Friday morning, 18 April 2008 at 09:36:59 UTC (04:37 CDT). 0000026709 00000 n 1997). The little village of St. Genevieve, closer to the fault zone, had no damage at all. The Mw 5.2 earthquake was felt over an area that spanned Chicago and Atlanta, with about 40,000 reports submitted to the U.S. Geological Survey (USGS) “Did You Feel It?” system. 0000006816 00000 n The 1968 magnitude 5.3 earthquake was the … The portable seismographs were deployed both to capture near-source, high-frequency ground motions for significant aftershocks and to better understand structure along the active fault. %PDF-1.6 %���� The Wabash Valley fault system is the main structural feature associated with the seismic zone. x�b```b``=���� �A���b�,'p�`hd)�T�e2���q����mzY-[Dg3hd�Y��jS�!�����{��!���á�Q� ���d��9>�j��Y�ެ��7��ca���dž���w��j����P��O����"".��ҐtD4�tLf�0(z�ާ*aЩ�#��:���y�j�R�Ӛ��'VU�h$ It occurred at 04:36:59 local time on April 18 near West Salem and Mount Carmel, Illinois within the Wabash Valley Seismic Zone. 0000008919 00000 n Sometimes water well pressure changes, or there's a change in the magnetic field. 0000007190 00000 n 2008-04-18 09:36:59 UTC 5.4 magnitude, 14 km depth Mount Carmel, Illinois, United States 5.4 magnitude earthquake 2008-04-18 09:36:59 UTC at 09:36 April 18, 2008 UTC U.S. Geological Survey Report 0000023681 00000 n The Mw 5.2 earthquake was felt over an area that spanned Chicago and Atlanta, with about 40,000 reports submitted to the U.S. Geological Survey (USGS) “Did You Feel It?” system. The rock is about 1.7 billion years old and the seismic waves can travel very long distances through this type of crust. "As the continents bang into each other, sometimes they pull apart, and the crust cracks and ruptures, causing earthquakes," he explained. The largest-magnitude earthquake in the past 20 years struck near Mt. 0000022823 00000 n
Friday, April 18, 2008. An official website of the United States governmentSeismological Research Letters 0000016879 00000 n 0000012874 00000 n "The damage to the region by those earthquakes has been exaggerated," Wysession said. Paleoliquefaction evidence suggests several major shaking events have occurred within the past 12,000 years (Munson et al. At approximately 4:37AM local time on Friday, April, 18, 2008 a magnitude 5.2 earthquake struck near Mt. The earthquake was felt in 18 states. It is not intended to provide medical or other professional advice.Views expressed here do not necessarily reflect those of ScienceDaily, its staff, its contributors, or its partners.Financial support for ScienceDaily comes from advertisements and referral programs, where indicated.
ScienceDaily shares links with scholarly publications in the Content on this website is for information only. Hermann has studied the 1968 magnitude 5.5 earthquake, the largest ever recorded there. "This whole region of New Madrid and the Wabash Valley seismic zone became a rift zone about 750 million years ago when the continent almost broke apart. At 4:37 a.m. on April 18, 2008, Illinois experienced a 5.2 magnitude earthquake.
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Earthquakes in this part of the country are often felt at great distances. 0000001396 00000 n
A magnitude 8 is 30 times more energetic than a magnitude 7. 0000011686 00000 n
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