northridge earthquake 1994 epicenter map

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. The media covered Northridge, which is a much more upscaled area than Reseda. Below, this map features locations of some of the hardest hit areas and archived video of NBC4 reports. The quake … The seaside community is about 15 miles away from the Northridge earthquake epicenters, but soft soil, Southern California's fault system and Santa Monica's older building stock likely all contributed to significant damage. For a visualization of just how many earthquakes rival the 1994 Northridge quake in magnitude, click here to view a USGS map. 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. In 1993, the year before the Northridge quake, shocks in that range numbered 141 worldwide. 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. So the number 6.7 only tells us part of story of Monday, Jan. 17, 1994. 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. Credit: Caltech Shows maps of the seismic station distribution in 1994 at the time of the Northridge earthquake… At $20 billion in damage and $49 billion in economic loss, it was the costliest natural disaster ever at the time in the United States, but the damage could have been worse had the rupture spread south toward the more densely populated areas in and around downtown Los Angeles. Geologists and geophysicists have come to … At a depth of about 10 miles, the quake caused strong ground motion across a widespread part of Southern California. Segments of local coverage on the Northridge Earthquake and aftershocks from the ABC O&O in Los Angeles. 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). Archive Video: NBC4 went on the air after the first shaking from the Jan. 17, 1994 Northridge earthquake. 34 12′47″N, 118 32′13″W The calculated epicenter of the earthquake 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. 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. This map is compared in the figure on the right with a similar map from the Northridge earthquake. The map below is a ShakeMap depicting how the Northridge earthquake shook southern California. Th ... e M6.7 event was very damaging in parts of Los Angeles and had an epicenter under Reseda in the San Fernando Valley. It displays all earthquakes in the magnitude-6.0 to 6.9 range since 1970. Since 1900, an average of 120 earthquakes per year worldwide are in the magnitude-6.0 to 6.9 range. 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. On January 17, 1994, at 4:31 a.m. PST, a magnitude 6​.7 earthquake centered in Northridge struck the southern California area. The fault only took seven seconds to rupture, but in a very short period of time, the strength of the shaking became the highest ever recorded in an urban area in North America, exceeding the force of gravity. Northridge earthquake of 1994, earthquake that struck the densely populated San Fernando Valley in southern California, U.S., on Jan. 17, 1994. Yesterday we remembered all the fatalities caused by the deadly Northridge earthquake. The name is not going to change, scientists at Caltech and the U.S. Geological Survey insisted Tuesday. This video from the morning of the quake shows what happened in the station's Burbank newsroom. Northridge Earthquake of 1994 Contrary to popular belief, the 1994 Northridge earthquake epicenter occurred in Reseda, a neighborhood in north-central Los Angeles. At the time, Los Angeles County's population was an estimated 9 million people. The media covered Northridge, which is a much more upscaled area than Reseda. Most residents in the area of the strongest shaking (red area) did not receive any warning. A USGS intensity map (below) shows that the strongest shaking, designated in red, was reported in areas north of Los Angeles as the rupture spread in that direction. The 6.7 magnitude earthquake damaged several buildings as well as destroying all communications, such as telephone lines and causing computer systems to shut down. This was the first earthquake to strike directly under an urban area of the United States since the 1933 Long Beach earthquake . The January 17, 1994, earthquake of magnitude M 5 =6.8 that struck the Los Angeles area was centered in Northridge. At 4:31 a.m. on January 17, 1994, a 6.7-magnitude quake struck the San Fernando Valley, a densely populated area of Los Angeles located 20 miles northwest of the city’s downtown. 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. It caused heavy damage to highway bridges, lifeline facilities and residential and commercial buildings as Today, it's around 10.1 million with nearly 4 million in the city of Los Angeles alone. The 1994 Northridge, California, earthquake occurred on a previously unrecognized and mapped blind thrust fault in the Los Angeles basin. NORTHRIDGE, CALIFORNIA EARTHQUAKE OF JANUARY 17,1994 122 120 36 34 32 Felt at Intensity VI Felt Not Felt 32 120 Figure 1. It will go down in history as the Northridge earthquake. 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. Geographic Names Information System (GNIS), Mapping, Remote Sensing, and Geospatial Data. There were no commercial breaks. 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. Strong ground motion was felt as far away as Las Vegas, Nevada, about 220 miles (350 km) from the epicenter. 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. A similar map in 1994 took more than a month to create! The 1994 Northridge earthquake greatly affected the CSUN campus, damaging much of its infrastructure, and causing multiple fires and explosions throughout the campus. Most of the damage occurred in communities north of Los Angeles, but there were pockets of hard hit areas, like Sherman Oaks, West Hollywood and even Santa Monica. But the latest epicenter… Sunday is the 27th anniversary of the 1994 Northridge Earthquake. What's Changed Since the 1994 Northridge Earthquake On Jan. 17, 1994, a magnitude-6.7 earthquake revealed some of the safety issues that Southern California needed to … 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. The map below illustrates the potential impact if the Northridge earthquake occurred today. Reports of damage and casualties developed throughout the first day. 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. 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. Isoseismal map for the Northridge earthquake. A CHP motorcycle officer was killed when he crashed off the damaged span in the early morning hours. Community Internet Intensity Map for the January 17, 1994, magnitude 6.7 Northridge, California, earthquake as of early April, 2001. 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. The 1994 Northridge earthquake was a moment magnitude 6.7 (Mw), 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. Study Suggests Ridgecrest Quakes Changed the Odds of a Big San Andreas Earthquake, Earthquakes: What to Do Before, During and After the Shaking, Copyright © 2021 NBCUniversal Media, LLC. File photo: On Jan. 17, 1994, a 6.7 earthquake rattled Southern California from the epicenter in Northridge. The third major earthquake to occur in the state in 23 years (after the 1971 Share on facebook Share Share on … Roman numerals give average Modified The origin of the Northridge earthquake was near the intersection of … The pe… All rights reserved. At a magnitude of 6.7, the 1994 Northridge earthquake wasn’t unusual in terms of its size. Star shows epicenter, and colored areas on the map indicate the intensity for that ZIP-code area, as described in the key. The origin was near the intersection of Reseda Boulevard and Arminta Street in the northwest San Fernando Valley on a previously undocumented fault. On the morning of Jan. 17, 1994, a magnitude-6.7 earthquake rattled Los Angeles. Other information indicates the epicenter and date/time of the earthquake. How would the intensity of that shaking be felt across the Los Angeles of 2019? The temblor was a magnitude 2.8, and its epicenter … Video broadcast Jan. 17, 1994 on NBC4. 2 years ago A small earthquake struck near Northridge Wednesday morning. Epicenter of the 1994 Northridge Earthquake The calculated epicenter of the earthquake, according to National Geophysical Data Center (see Wikipedia article). The innermost dotted circle doesn’t include the communication or reaction time latency (area labeled BZ); the next dash-dotted circle includes the 2-second communication latency (area labeled CZ), and the next dashed circle also includes the 5-second reaction time (labeled RZ). 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