The 1994 M6.7 Northridge, CA Shakemap showing MMI (Modified Mercalli Intensity) levels of shaking, with the earthquake epicenter shown as a red star, and the fault shown as a rectangle. 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 1994 Northridge, California, earthquake occurred on a previously unrecognized and mapped blind thrust fault in the Los Angeles basin. 2 years ago A small earthquake struck near Northridge Wednesday morning. In the case of the Northridge quake, its location in the vicinity of a built-up metropolis with some vulnerable structures -- including residential buildings and freeway overpasses -- made it a natural disaster of historic proportions. The quake had a duration of approximately 10–20 seconds, and its peak ground acceleration of 1.82 g0 (17.8 m/s ) was the highest ever instrumentally recorded in an urban area in North America. That includes the 6.7 Northridge quake in 1994 (which was 2.8 times stronger than Thursday’s earthquake) and the 7.1 Hector Mine quake in the Mojave Desert in 1999 (11 times stronger). The outermost blue dash-dotted circle shows the location of the P wave at the warning time, suggesting that most residents of the strongly shaken area would have been alerted by the P-wave itself before they received a warning from the EEW system. A similar map in 1994 took more than a month to create! Today, it's around 10.1 million with nearly 4 million in the city of Los Angeles alone. Northridge was the epicenter of the 6.7 magnitude earthquake that occurred in the early morning of January 17, 1994 killing dozens of people and damaging numerous structures and freeways throughout southern California. Residents to the south, including downtown LA and densely popuated areas around it, reported less intense "strong" and "very strong" shaking, denoted by yellow and orange squares. The small square represents the 10×10 mile portion of the dipping fault that ruptured beneath the San Fernando Valley- deepest at the south, and closer to the surface at the north. A CHP motorcycle officer was killed when he crashed off the damaged span in the early morning hours. Th ... e M6.7 event was very damaging in parts of Los Angeles and had an epicenter under Reseda in the San Fernando Valley. Northridge earthquake of 1994, earthquake that struck the densely populated San Fernando Valley in southern California, U.S., on Jan. 17, 1994. The map below illustrates the potential impact if the Northridge earthquake occurred today. Satellite map of 1994 Northridge earthquake The 1994 Northridge earthquake occurred on January 17, at 4:30:55 a.m. PST and was centered in Reseda, a neighborhood in the north-central San Fernando Valley region of Los Angeles, California. It displays all earthquakes in the magnitude-6.0 to 6.9 range since 1970. USGS Response to an Urban Earthquake - Northridge 1994 (Summary) Sixty people were killed, more than 7,000 injured, 20,000 homeless and more than 40,000 buildings damaged in Los Angeles, Ventura, Orange and San Bernardino Counties as a result of the Northridge earthquake of January 17, 1994. All rights reserved. The map below is a ShakeMap depicting how the Northridge earthquake shook southern California. The January 17, 1994, earthquake of magnitude M 5 =6.8 that struck the Los Angeles area was centered in Northridge. The list includes the magnitude-6.9 earthquake in Kobe, Japan, which caused devastation on a staggering scale -- 5,100 fatalities, 27,000 injures and 100,000 building destroyed. Archive Video: About a quarter-mile span of the 14 Freeway overpass collapsed onto the 5 Freeway north of Los Angeles due to the Jan. 17, 1994 Northridge Earthquake. Roman numerals give average Modified NORTHRIDGE, CALIFORNIA EARTHQUAKE OF JANUARY 17,1994 122 120 36 34 32 Felt at Intensity VI Felt Not Felt 32 120 Figure 1. This map is compared in the figure on the right with a similar map from the Northridge earthquake. Yesterday we remembered all the fatalities caused by the deadly Northridge earthquake. Since 1900, an average of 120 earthquakes per year worldwide are in the magnitude-6.0 to 6.9 range. The 1994 Northridge earthquake was a ṃ of 6.7 (ṃ), blind thrust earthquake that occurred on January 17, 1994, at 4:30:55 a.m. PST in the San Fernando Valley region of the County of Los Angeles.Its epicenter was in Reseda, a neighborhood in the north-central Valley., a neighborhood in the north-central Valley. Gnis ), Mapping, Remote Sensing, and Geospatial Data a CHP motorcycle officer was killed he! 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