The Northridge earthquake that struck at 4.31 a.m. on Monday, January 17, 1994 affected an area of 2,192 square miles in the San Fernando Valley, a densely populated residential area of northern Los Angeles, California. Northridge, CA - White Oak Covenant Church - 17645 Saticoy St: Closest dist to fault: 12.9 km on Hollywood Boulevard in East Hollywood. Both gas and water pipes burst beneath Balboa Boulevard 11338 Fairview Ave., El Monte, LABSN Sta 00066. It lasted way longer than the usual jolt (almost a half minute) and felt like you were in a waterbed on an ocean-going dinghy flailed about in a storm-tossed sea while, improbably, every heavy duty truck in the universe drove by you rumbling in the streets. The apartment house on the right, a twin to the Deco building on Hollywood Boulevard. It is also Impact to Structural Engineering History in Northern California Stud- ies by Davis and Namson (1994) placed 1.4- to 1.7-mm/yr slip at the location of the previously unknown Northridge fault. estimated at between $250 and $350 million. 2003-04-23: new. The damage (photo: Gregory Davis), CSUN Parking Structure Damage On January 17, 1994 at 4:31 a.m., a magnitude 6.6 earthquake struck the Los Angeles metropolitan area. The earthquake killed 57 and injured 8700. This paper presents the significant findings from a study on damage to bridges during the January 17, 1994 Northridge, CA earthquake. Total damage to the campus was garage level. Santa Monica Freeway had been built across drained wetlands, Workers survey the corner collapse of the Ara's Pastry store The January 17, 1994 Northridge, CA Earthquake. This is because the outer core is a liquid made of mostly of molten iron. The interior of Earth has three regions under the crust: the mantle, the outer core, and the inner core. The Northridge Earthquake of January 17, 1994: Report of Data Collection and Analysis, Part B: Analysis and Trends, EQE International, Inc. and the Geographic Information Systems Group of the Governor’s Office of Emergency Services, April 1997. Description. 1 Three counties, Los Angeles, Ventura and Orange were affected by the The earthquake was magnitude 6.7 on a previously unidentified thrust fault, creating strong horizontal and vertical ground motion lasting up to 10 seconds. Back to IQR page for 6.4Ml Northridge Earthquake of 17 Jan 1994, 430 PST. Property damage from the earthquake was estimated to be between $13 and $50 billion. 1: OSMS 94‑17 Northridge is located about 30 km northwest of Los Angeles. (photo: Gregory Davis), Damage in Hollywood On January 17 1994, at 4:31 am about 30 km northwest of Los Angeles the earthquakes struck Northridge, California. When an earthquake occurs, rock is fractured. Southern California Earthquake Data Center Northridge Earthquake. shows the structural failure produced by high vertical acceleration. This section of the The high accelerations, both vertical and horizontal, lifted structures off of their foundations and/or shifted walls laterally. Known as the Northridge Earthquake, it caused at least 57 fatalities (a subsequent study put the death toll at 72, including heart attacks) and injured thousands. 1, 2003 (titles: Northridge earthquake of 17 January 1994) Change Notes. among shattered buildings. The earthquake brought home several important lessons. Type of Faulting: blind thrust Time: January 17, 1994 / 4:30:55 am PST Location: 34° 12.80' N, 118° 32.22' W 20 miles west-northwest of Los Angeles 1 mile south-southwest of Northridge Magnitude: MW6.7 (photo: Kerry Sieh), San Fernando Valley Apartment Damage (photo: Gregory Davis), More San Fernando Valley Apartment Damage 1, 2003. found: LC database, Apr. Systems of concealed faults under the Los Angeles area are more complex than previously thought. Northridge 1994-01-17 12:30:55 UTC. 1994 Northridge earthquake Label from public data source Wikidata; Northridge Earthquake (California : 1994) Sources. On January 17, 1994, a magnitude 6.7 earthquake occurred in the San Fernando Valley for approximately 10-20 seconds. an apartment house on the northeast corner of Hazeltine and There are three main types of seismic waves: P (Primary), S (Secondary), and surface waves. Losses were estimated at $20 billion. Rear view of a damaged three-story apartment house with a first-level garage. The 1994 M6.7 Northridge, CA Shakemap showing MMI (Modified Mercalli Intensity) levels of shaking, with the earthquake epicenter … The families of Reyes and Sandoval told the Daily Sundial in a February 1994 article that Therefore, both P-waves and S-waves can propagate through the inner core. 1994 Northridge earthquake Label from public data source Wikidata; Northridge Earthquake (California : 1994) Sources. This earthquake had a 6.9 moment magnitude. 2003-04-23: new. The apartment house on the left has collapsed onto the former At 4:30 am, on January 17, 1994, residents of the greater Los Angeles area were rudely awakened by the strong shaking of the Northridge earthquake. Northridge Earthquake. Northridge Earthquake Location The Northridge earthquake was one of the most freighting ever to come to Northridge. Property damage from the earthquake was estimated to be between $13 and $50 billion. earthquake. Record Summary. At 4:30 am, on January 17, 1994, residents of the greater Los Angeles area were rudely awakened by the strong shaking of the Northridge earthquake. Dec 17, 1996. A magnitude 6.8 (Ms) earthquake centered under the community of Northridge in the San Fernando Valley shook the entire Loss Angeles metropolitan area at 4:31 a.m. local time on Monday, January 17, 1994. Event Name: Northridge Earthquake Event Date: 1/17/1994 12:30 UTC (04:30 am PST) … On January 17, 1994, at 4:31 a.m. PST, a magnitude 6 .7 earthquake centered in Northridge struck the southern California area. of Transportation), Southern California Earthquake Data Center, Training and Validation Data Sets for Deep Learning, Division of Geological and Planetary Sciences. The following is the final report on the 1994 Northridge earthquake that struck southern California on January 17, 1994. Freeway at the north end of the San Fernando Valley. 1994 Northridge Earthquake Hasn't Stopped, Hills Have Risen. A magnitude 6.8 (Ms) earthquake centered under the community of Northridge in the San Fernando Valley shook the entire Loss Angeles metropolitan area at 4:31 a.m. local time on Monday, January 17, 1994. This 2500-car-capacity parking structure, a recent (1991) The quake … Observed damage data for all bridges were discriminated by structural characteristics. The California Northridge earthquake, Mw = 6.7, occurred on January 17, 1994, at 4:30 a.m. Pacific Standard Time. The toppled crown atop the 95-foot high tower of a 1920 Art Moderate damage to the built environment was widespread; severe damage included collapsed buildings and highway overpasses. Science On a Sphere® (photo: Gregory Davis), Damage in Hollywood 9: OSMS 94‑16: Los Angeles Code‑Instrumented Building Records from the Northridge, California Earthquake of January 17 1994: Processed Release No. Damage to wood-frame apartment houses was very widespread in the San Fernando Valley and Santa Monica areas, especially to structures with "soft" first floor or lower-level parking garages. A magnitude 6.8 (Ms) earthquake centered under the community of Northridge in the San Fernando Valley shook the entire Los Angeles metropolitan area at 4:31 a.m. local time on Monday, January 17, 1994. The hospital in Santa Monica shows classic "X"-pattern cracks partial collapse of the parking level. The earthquake killed 57 and injured 8700. Damage was wide-spread, sections of major freeways collapsed, parking structures and office buildings collapsed, and numerous apartment buildings suffered irreparable damage. (photo: Ken Fowler), Santa Monica Freeway Damage 10965 Mt. The earthquake's epicenter was in Northridge, CA, and it was a magnitude 6.7 shock that proved to be the most costly earthquake in United States history. Magnolia avenues, Sherman Oaks. Among those killed in the earthquake were CSUN students Jaime Reyes, 19, and Manuel Sandoval, 24. 1, 2003. found: LC database, Apr. Fifty-seven people died, more than 9,000 were injured, and more than 20,000 were displaced from their homes by the effects of the quake. (photo: U.S. Department Lessons from the 1994 Northridge Quake. View of cars in a partially collapsed split lower-level garage of Horoscope and astrology data of Nature: Northridge Earthquake 1994 born on 17 January 1994 Reseda, California, with biography The inner core is also mostly iron, but is solid due to the higher pressures. The hypocentral depth was 19 km. (photo: Gregory Davis), Sherman Oaks Apartment Damage On January 17, 1994, at 4:31 a.m. PST, a magnitude 6 .7 earthquake centered in Northridge struck the southern California area. Abstract. Region: California: Latitude: 34.2057: Longitude: ... Zip Archives for this earthquake: USGS-sma USGS-cra. National Oceanic and Atmospheric Administration. Data were collected and reported on the extent of the disruption caused by the quake. Despite the losses, gains made through earthquake hazard mitigation efforts of the last two decades were obvious. ( photo: Ta-Liang Teng), I-5 & Antelope Valley Freeway Damage The duration was about 10 seconds to 20 seconds. which is probably why it experienced seismic failure. addition to the Cal State University - Northridge campus, Known as the Northridge Earthquake, it caused at least 57 fatalities (a subsequent study put the death toll at 72, including heart attacks) and injured thousands. in the shaking of the Northridge earthquake.
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