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Keyword: quake

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  • Earthquake Northern California, 4:10 Pacific

    01/07/2011 4:12:50 PM PST · by RightOnTheLeftCoast · 33 replies
    self ^ | 7 Jan 2011 | Rightontheleftcoast
    Nice shaker. Looking for seismograph reports now.
  • Central Arkansas Growing Weary of Relentless Tremors

    12/24/2010 1:14:02 PM PST · by GiovannaNicoletta · 22 replies · 2+ views ^ | December 24, 2010 | Sarah Hoye
    Things are still shaking in Arkansas. More than 500 measurable earthquakes have been reported in central Arkansas since September 20, ranging in magnitude from a barely noticeable 1.8 to a very noticeable 4.0 (recorded on October 11), according to the U.S. Geological Survey. Geologists can't say whether they'll stop anytime soon.
  • Is this Oft-repeated report true?

    10/11/2010 6:30:54 PM PDT · by Blogger · 53 replies
    Thought I would ask some freepers, since we are all over the nation and beyond. Particularly interested in hearing from those who live near the regions specified. What is happening in your neck of the woods?

    10/10/2010 5:13:53 PM PDT · by SumProVita · 108 replies · 3+ views
    New Madrid Earthquake ^ | October 10, 2010
    Region: ARKANSAS Geographic coordinates: 35.322N, 92.332W Magnitude: 3.0 M Depth: 4 km Universal Time (UTC): 10 Oct 2010 12:48:23
  • New Madrid fault system may be shutting down

    03/14/2009 3:57:46 AM PDT · by decimon · 39 replies · 1,122+ views
    Purdue University ^ | March 13, 2009 | Elizabeth K. Gardner
    The New Madrid fault system does not behave as earthquake hazard models assume and may be in the process of shutting down, a new study shows. A team from Purdue and Northwestern universities analyzed the fault motion for eight years using global positioning system measurements and found that it is much less than expected given the 500- to 1,000-year repeat cycle for major earthquakes on that fault. The last large earthquakes in the New Madrid seismic zone were magnitude 7-7.5 events in 1811 and 1812. Estimating an accurate earthquake threat for the area, which includes parts of Illinois, Indiana, Tennessee,...
  • Earthquake shakes Chile, no injuries reported

    01/02/2011 4:48:48 PM PST · by smokingfrog · 9 replies
    AFP/googlehosted ^ | 2 Jan 2011 | unattributed
    SANTIAGO — A strong earthquake shook coastal Chile Sunday, disrupting power and communications services without injuring anyone, authorities said, as tsunami fears led residents to seek higher ground. The US Geological Survey said the 7.1 magnitude earthquake struck at 2020 GMT 69 kilometers (45 miles) northwest of Temuco, Chile, at a depth of 16 kilometers (10 miles). Chile's National Emergency Office said the quake was "medium intensity" and struck Biobio, Maule and O'Higgins, a region in south-central Chile that was devastated by a 8.8 magnitude quake and tsunami in February 2010. The agency's director Vicente Nunez told reporters that, on...
  • Earthquake in Indiana?

    12/30/2010 5:27:42 AM PST · by ducttape45 · 75 replies · 32+ views
    Here in Indiana, near Grissom ARB, we just felt what we think was an earthquake. Can anyone confirm?

    12/21/2010 10:30:54 AM PST · by TaraP · 29 replies
    USGS ^ | Dec 21st, 2010
    Magnitude 7.4 Date-Time Tuesday, December 21, 2010 at 17:19:41 UTC Wednesday, December 22, 2010 at 03:19:41 AM at epicenter Time of Earthquake in other Time Zones Location 26.866°N, 143.739°E Depth 14.9 km (9.3 miles) Region BONIN ISLANDS, JAPAN REGION Distances 155 km (95 miles) E of Chichi-shima, Bonin Islands, Japan 335 km (210 miles) NE of Iwo Jima, Volcano Islands, Japan 1050 km (650 miles) SSE of TOKYO, Japan Location Uncertainty horizontal +/- 13.5 km (8.4 miles); depth +/- 0.2 km (0.1 miles) Parameters NST=377, Nph=377, Dmin=157 km, Rmss=0.84 sec, Gp= 22°, M-type=teleseismic moment magnitude (Mw), Version=A Source USGS NEIC...
  • Earthquake 4.2 M - ARKANSAS

    11/20/2010 11:56:55 AM PST · by Keith in Iowa · 26 replies
    USGS Email | 11/20/10 | USGS
    4.2 M - ARKANSAS Preliminary Earthquake Report Magnitude 4.2 M Date-Time 20 Nov 2010 19:06:35 UTC20 Nov 2010 13:06:35 near epicenter20 Nov 2010 13:06:35 standard time in your timezone Location 35.319N 92.301W Depth 4 km Distances 3 km (2 miles) E (101 degrees) of Guy, AR 10 km (6 miles) SW (227 degrees) of Quitman, AR 11 km (7 miles) E (89 degrees) of Twin Groves, AR 65 km (40 miles) N (2 degrees) of Little Rock, AR 411 km (255 miles) SSW (207 degrees) of St. Louis, MO Location Uncertainty Horizontal: 0.5 km; Vertical 0.5 km Parameters Nph...
  • Major quake hits Indonesia (7.5)

    10/25/2010 8:25:06 AM PDT · by Oldeconomybuyer · 7 replies ^ | October 25, 2010
    A major earthquake hit off the coast of western Sumatra, Indonesia, on Monday, the U.S. Geological Survey reported. The preliminary magnitude was put at 7.5 by the USGS. A tsunami warning was issued by the Indonesian earthquake monitoring agency.
  • Magnitude 6.1 earthquake jolts southern Iran

    09/27/2010 5:50:11 AM PDT · by Doogle · 18 replies
    AFP ^ | 09/27/10 | AP
    EHRAN, Iran — Iran's seismological center says a magnitude 6.1 earthquake has jolted a remote mountainous area in southern Iran. The center says Monday's quake shook a sparsely populated district of Konar Takhteh, some 560 miles (900 kilometers) southwest of the capital, Tehran.

    12/28/2004 12:42:47 AM PST · by kattracks · 42 replies · 2,002+ views
    New York Post ^ | 12/28/04 | Andy Geller
    Because of Sunday's gargantuan quake, planet Earth is ringing like a church bell. You can't hear it, but it's being measured at seismic stations around the world, including Columbia University's Lamont-Doherty Earth Observatory in Palisades, N.Y. It will last for three days, perhaps longer. The quake, which measured 9.0 on the Richter scale, was caused by the shifting of geological plates along a 600-mile area. This changed the Earth's mass. As the mass returns to normal, it moves back and forth, much like a church bell when struck by a tong, said Stony Brook geophysicist Teng-fong Wong.[snip] The quake...
  • Consequences Resulting from a Major Earthquake in the Central U.S. (New Madrid fault)

    01/18/2010 10:32:18 AM PST · by dynachrome · 27 replies · 1,227+ views
    downloadable .pdf file of possible results if New Madrid fault lets go.
  • California overdue for major quake, study says

    08/21/2010 9:53:41 AM PDT · by Oldeconomybuyer · 18 replies ^ | August 20, 2010
    Earthquakes strike along California's San Andreas Fault more often than scientists previously thought, a new study suggests. Researchers at the University of California, Irvine and Arizona State charted temblors that occurred there stretching back 700 years. They found that large ruptures have occurred on the Carrizo Plain portion of the San Andreas Fault — about 100 miles northwest of Los Angeles — as often as every 45 to 144 years. But the last big quake was in 1857, more than 150 years ago. The researchers said that while it's possible the fault is experiencing a natural lull, they think it's...
  • USGS reports 7.1 magnitude quake 230 miles west southwest of Guam

    08/13/2010 2:52:32 PM PDT · by VRWCTexan · 23 replies
    U Front News Twitter ^ | Aug 13, 2010
    Upfront_News JUST IN -- USGS reports 7.1 magnitude quake 230 miles west southwest of Guam
  • Big quake might have broken San Diego's crust (shifted earth's crust up to 31 inches in Calexico)

    06/23/2010 7:42:38 PM PDT · by NormsRevenge · 27 replies · 3+ views
    San Diego Union - Tribune ^ | 6/23/10 | Gary Robbins
    The magnitude 7.2 earthquake that gave San Diego County a long, hard shake on Easter Sunday shifted areas of the earth's crust up to 31 inches in Calexico, and by as much as 10 feet near the temblor's epicenter in northern Baja, says data released today by NASA. The Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) data also suggests that there was some surface rupturing along the border of Imperial and San Diego counties, where lots of aftershock activity continues to occur almost three months after the mainshock. The new findings are largely based on an airborne radar mapping program...
  • Earthquake in Northern Ohio?

    06/23/2010 10:49:10 AM PDT · by DocCincy · 300 replies · 2+ views
    Just felt our whole office building shake here in Northern Ohio. Lasted about 10 seconds. Anyone else feel anything??
  • Strong quakes rock eastern Indonesia; 3 dead

    06/15/2010 10:06:40 PM PDT · by OldDeckHand · 34 replies · 999+ views ^ | 06/16/2010 | Staff
    JAKARTA, Indonesia - Four strong earthquakes struck the same region of eastern Indonesia early Wednesday, according to the U.S. Geological Survey. The first magnitude 6.4 quake was followed by a 7.0 shaker. An hour later, a 5.1 magnitude temblor hit, followed 20 minutes later by a 6.2 rocker. There were power blackouts in some areas but no initial reports of serious damage or casualties.
  • Pacific Northwest At Risk For Mega-Earthquake

    05/26/2010 10:06:33 AM PDT · by Clint Williams · 18 replies · 655+ views
    Slashdot ^ | 5/26/10 | kdawson
    Hugh Pickens writes "Science Daily Headlines reports on research by Oregon State University marine geologist Chris Goldfinger showing that earthquakes of magnitude 8.2 (or higher) have occurred 41 times during the past 10,000 years in the Pacific Northwest. By extrapolation, there is a 37% chance of another major earthquake in the area in the next 50 years that could exceed the power of recent seismic events in Chile and Haiti. If a magnitude-9 quake does strike the Cascadia Subduction Zone, extending from northern Vancouver Island to northern California, the ground could shake for several minutes, highways could be torn to...
  • Odds are about 1-in-3 that a mega-earthquake will hit the Northwest in the next 50 years

    05/24/2010 10:10:03 AM PDT · by decimon · 18 replies · 421+ views
    Oregon State University ^ | May 24, 2010 | Unknown
    CORVALLIS, Ore. – The major earthquakes that devastated Chile earlier this year and which triggered the catastrophic Indonesian tsunami of 2004 are more than just a distinct possibility to strike the Pacific Northwest coast of the United States, scientists say. There is more than a one-in-three chance that it will happen within the next 50 years. New analyses by Oregon State University marine geologist Chris Goldfinger and his colleagues have provided fresh insights into the Northwest’s turbulent seismic history – where magnitude 8.2 (or higher) earthquakes have occurred 41 times during the past 10,000 years. Those earthquakes were thought to...