collapsed structure, did not fail. Northridge California Earthquake January 17, 1994. (photo: Gregory Davis), Damage in Hollywood Systems of concealed faults under the Los Angeles area are more complex than previously thought. The campus still opened and provided students with mobile classrooms and mobile offices. here was repaired within three months. October 23, 2020 formal essay phrases. LOCATION: 34° 12.80' N, 118° 32.22' W 20 miles west-northwest of Los Angeles 1 mile south-southwest of Northridge The timing of the earthquake (early morning during a federal holiday) is thought to have prevented a higher death toll, as most residents were in their beds, rather than on failed freeways or in other collapsed structures (such as office buildings or parking lots). (photo: Ken Fowler), Santa Monica Freeway Damage Let us know if you have suggestions to improve this article (requires login). The hospital in Santa Monica shows classic "X"-pattern cracks estimated at between $250 and $350 million. Updates? The earthquake was magnitude 6.7 on a previously unidentified thrust fault, creating strong horizontal and vertical ground motion lasting up to 10 seconds. Deco building on Hollywood Boulevard. The earthquake brought home several important lessons. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Get a Britannica Premium subscription and gain access to exclusive content. When earthquakes occur directly beneath a city, it will be subjected to ground motions with peak accelerations approaching the force of gravity, exceeding the levels of shaking anticipated by building codes. Aerial view of the collapsed freeway interchange between I-5 and floor hanging down across the top of the first floor. garage level. The significant fracturing of welds in steel frame buildings was unexpected because of the ductility of steel. Most of the casualties occurred in wood-frame apartment buildings, popular in the San Fernando Valley, and particularly in those with weak first floors or lower-level parking garages. (photo: Kerry Sieh), San Fernando Valley Apartment Damage shows the structural failure produced by high vertical acceleration. Ring in the new year with a Britannica Membership, This article was most recently revised and updated by, https://www.britannica.com/event/Northridge-earthquake-of-1994, National Institute of Standards and Technology - Engineering Laboratory - Earthquake Northridge California 1994, Northridge earthquake of 1994 - Student Encyclopedia (Ages 11 and up). January 18, 2021 Kimberly Rogers-Brown earthquake, PLANET. Shake your way into this quiz. on Hollywood Boulevard in East Hollywood. The main shock of the magnitude 6.7 Northridge Earthquake is highlighted in blue. LOS ANGELES (CBSLA) — Sunday marked the 27th anniversary of the deadly 1994 Northridge earthquake. Most significantly, the state created the California Earthquake Authority, a publicly managed but privately funded organization offering basic residential earthquake insurance. 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. The earthquake killed 57 people and injured thousands more in the Los Angeles area, also causing billions of dollars in damages. Deviantart and riot games research posters phd researchers rafael 1994 northridge earthquake case study melgarejo heredia rme@soton. This was the first earthquake to strike directly under an urban area of the United States since the 1933 Long Beach earthquake. Both gas and water pipes burst beneath Balboa Boulevard 27 years ago on Jan. 17, 1994, Northridge was struck with a magnitude 6.7 earthquake, greatly impacting Santa Clarita and other surrounding areas. Link to original article . This was the first earthquake to strike directly under an urban area of the United States since the 1933 Long Beach earthquake. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. shows the closely spaced fractures in the reinforced concrete Retrofits of masonry building helped reduce loss of life, hospitals suffered less structural damage than in 1971 San Fernando earthquake, and emergency response was exemplary. (photo: Ken Fowler), CSUN Parking Structure Damage Northridge earthquake 1994 case study for book review worksheet for kids. The earthquake occurred on a blind thrust fault, and produced the strongest ground motions ever instrumentally recorded in an urban setting in North America. Some say it was a miracle that Northridge Hospital could be at the epicenter of the largest earthquake to hit Los Angeles in modern times – and still take care of patients. earthquake. Buckling of freeway support columns under the Simi Valley Interested in testing your earthquake knowledge? shock, creating this bizarre and destructive combination The toppled crown atop the 95-foot high tower of a 1920 Art Northridge Earthquake Photo Collection Browse Collection About The Northridge Earthquake Photo Collection contains a series of photographs taken by Geography Department staff members in the days and months after the 1994 Northridge earthquake. 27 years ago on Jan. 17, 1994, Northridge was struck with a magnitude 6.7 earthquake, greatly impacting Santa Clarita and other surrounding areas. USGS Response to an Urban Earthquake: Northridge '94. Of the sound wave unwanted sound can be studied. MAGNITUDE: MW6.7 Twenty-five years ago the Northridge earthquake destroyed my high school and upended our lives. The apartment house on the left has collapsed onto the former Northridge was the epicenter of the 6.7 magnitude earthquake that occurred in the early morning of January 17, 1994 … (photo: Gregory Davis), More San Fernando Valley Apartment Damage north of the Simi Valley Freeway from the force of the main The Northridge earthquake resulted in 57 deaths, 1,500 serious injuries, and $42 billion worth of property damage, according to officials from the National Institute of Standards and Technology (NIST). first-level garage. Freeway at the north end of the San Fernando Valley. partial collapse of the parking level. The aftermath of the earthquake saw a few cases of cynical humor Rear view of a damaged three-story apartment house with a addition to the Cal State University - Northridge campus, This picture shows the exterior paneling from the former second The 6.7 magnitude earthquake struck San Fernando Valley on Jan. 17, 1994, at 4:31 a.m. where 57 died and thousands were injured in Los Angeles area. The 6.7 magnitude earthquake struck on Jan. 17, 1994, at 4:31 a.m., jolting San Fernando Valley residents awake. The quake centered in the San Fernando Valley community of Northridge, severe gas lines to homes and apartments destroyed shops in businesses and collapsed several major freeways throughout the Southern California region. 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. Roads and bridges damaged by the Northridge earthquake in California, 1994. 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