The 434 mile slip-strike fault gave off a 7.9 magnitude earthquake. The town is located near Mount McKinley, North America's highest peak. } else { Trace of the Denali Fault after the 7.9 magnitude earthquake of 3 November 2002, Alaska… "We have heard of items being knocked off shelves," geophysicist Dale Grant said. Earthquakes. Breakage to this pipeline would cause damages worth hundreds of millions of dollars. According to the company's Web site: "The 48-inch diameter steel pipeline runs 800 miles (from Prudhoe Bay to the port of Valdez, the northernmost ice-free port in the United States) and crosses three mountain ranges and over 800 rivers or streams.". Here, we use GPS observations of postseismic deformation following the 2002, M7.9 Denali, Alaska earthquake to directly infer the viscous strength of the upper mantle, finding a rheology consistent with a laboratory-derived, stress-dependent, power-law for hot, wet olivine. Also shown is the extent of the rupture along the fault. Heatwole said structural engineers were deployed Monday morning to begin analysis of the damage. The M w 7.9 Denali Fault earthquake struck south-central Alaska and the Alaska Range at 13:12 local time (22:12 UTC) on November 3, 2002. At some places along the fault, the quake caused the ground on one side of the fault to slide horizontally a full 2.5 meters (8.2 feet) past the other side. It ruptured three different faults ending with a total rupture length of ~330 km. Earthquakes, Image of the Day Land The two major north-south highways in Alaska were shut down in places because of large cracks caused by the quake, he said. "It was pretty rolly, and it was long. 7.9 Central Alaska. //-->. In some cases, the pipeline sits above the frozen Alaskan soil without support. Land, Image of the Day EERI Special Earthquake Report — February 2003 Learning from Earthquakes Preliminary Observations on the November 3, 2002 Denali Fault, Alaska, Earthquake This report is based on data collect- ed after the earthquake by a num-ber of teams and individuals, and compiled by John Aho of CH2M Hill in Anchorage, Alaska. November 3, 2002JPEG An intense earthquake struck central Alaska about 90 miles south of Fairbanks at 1:12 p.m. local time on November 3, 2002. "The more shallow they are, the more severe the quake is felt," Grant said. The U.S. Geological Survey estimated the quake's preliminary magnitude at 7.9. This quake lasted over three minutes! Loretta Herman, a dispatcher for the Cantwell Fire Department, said there were no reports of injuries there. 2002-11-07 15:14:06 UTC 33.0 km. The shaded-relief image above shows the location of the earthquake, which occurred on the Denali fault alongside the Alaska Range. The view shows the approximate location of the epicenter of the magnitude 6.7 earthquake that occurred in the early morning of October 23, 2002. As the seismic wave amplitudes dimin-Figure 1. host = host.toLowerCase(); Measurements Freymueller has made across the Alaska Range before the 2002 earthquake show movement across the Denali Fault of 6-8 millimeters per year (1/4 to 1/3 inch per year). With a magnitude of 7.9, the quake was the ninth largest to be recorded in the United States. Having rumbled such a large area of Alaska , it is quite remarkable that the Denali quake caused as little damage as it did. FAIRBANKS, Alaska (CNN) -- A major earthquake struck 75 miles south of Fairbanks, cracking roads, crumbling support mechanisms for the trans-Alaska pipeline and triggering mudslides, but there were no immediate reports of injuries, officials said Sunday. The Trans-Alaska Pipeline is a vital lifeline that transports about 17% of the domestic oil supply for the United States. The area is not heavily populated, and there are rarely tourists this time of year. The powerful quake knocked sections of the trans-Alaska oil pipeline off its supports, cracked nearby roads, triggered smaller earthquakes in California and Montana, and even rocked houseboats in Louisiana lakes. Other cracks were between two and six inches wide and as deep as eight feet. Global satellite thermal imaging data indicate long-lived thermal fields associated with large linear structures and fault systems [Carreno at … Date & time: 3 Nov 2002 22:12:41 UTC Magnitude: 7.9 Depth: 4.2 km Epicenter latitude / longitude: 63.5141°N / 147.4529°W (Matanuska-Susitna County, Alaska, United States) Nearest volcano: Buzzard Creek (78 km / 48 mi) Nearby towns and cities: document.write('Wednesday, November 6, 2002 Posted: 9:07 AM HKT (0107 GMT)
<\/span>'); Earthquakes, Massive Earthquake Along the Sunda Trench, NASA Goddard Space We provide definitive earthquake information to the public, emergency managers, scientists and engineers. Earthquake information for europe. For more information, visit the USGS National Earthquake Information Center Earthquake Bulletin. The Denali fault is a major fault that follows an arcuate trace across southern Alaska, following the Alaska Range for much of its length. The quake caused 115 deaths, with 106 due to the resulting tsunamis. A powerful earthquake that rocked Alaska in 2002 not only triggered small earthquakes almost 2,000 miles away at Wyoming's Yellowstone National Park – as was reported at the time … Engineers therefore built the pipeline in a "zig-zag" pattern across the fault so that, in the event of a large fault movement, the pipeline "would undo like an accordion, rather than break," Sieh said.